void onBox(int rank, ADIOS_FILE* f, ADIOS_VARINFO* v, int timestep, uint64_t* start, uint64_t* count, FastBitDataType ft) { int i=0; char selName[100]; sprintf(selName, "box-%lu", start[0]); uint64_t totalCount = 1; for (i = 0; i<v->ndim; i++) { totalCount *= count[i]; } double* data = (double *) calloc (totalCount, sizeof (double)); uint64_t currStart = 0; ADIOS_SELECTION* boxSel = adios_selection_boundingbox(v->ndim, start, count); int err = adios_schedule_read_byid(f, boxSel, v->varid, timestep, 1, data); if (!err) { err = adios_perform_reads(f, 1); } processData(data, totalCount, rank, timestep, selName, ft, v); } // on box
void adios_checkpoint_verify_variables(ADIOS_FILE* fp, const char* name, unsigned long origin) { ADIOS_VARINFO *vi; int count = 1; int size; vi = adios_inq_var(fp, name); if (vi->ndim > 0) { cout<<name<<" verification not passed, not a scalar"<<endl; return; } size = count*adios_type_size(vi->type, vi->value); unsigned long* mem= (unsigned long* )malloc(size); adios_schedule_read(fp, NULL, name, 0, 1, mem); adios_perform_reads(fp, 1); if(mem[0] == origin) { cout<<name<<" verification passed"<<mem[0]<<endl; } else { cout<<name<<" verification not passed, readin: "<<mem[0]<<" writeout: "<<origin<<endl; } adios_free_varinfo (vi); free(mem); }
int read_file (char *fname) { ADIOS_SELECTION *sel; ADIOS_FILE * f; ADIOS_VARINFO * vi; int err=0,i,n; uint64_t start[1] = {0}; uint64_t count[2] = {NX}; uint64_t ndim; reset_rarrays(); log ("Read and check data in %s\n", fname); f = adios_read_open_file (fname, ADIOS_READ_METHOD_BP, comm); if (f == NULL) { printE ("Error at opening file: %s\n", adios_errmsg()); return 1; } sel = adios_selection_boundingbox (1, start, count); adios_schedule_read (f, sel, "t1", 0, 1, r1); adios_schedule_read (f, sel, "t2", 0, 1, r2); adios_perform_reads (f, 1); adios_selection_delete (sel); CHECK_ARRAY (t, r1, NX); CHECK_ARRAY (t, r2, NX); endread: adios_read_close(f); MPI_Barrier (comm); return err; }
void adios_checkpoint_verify_variables(ADIOS_FILE* fp, const char* name, RealType* origin) { ADIOS_VARINFO *vi; int count = 1; int size; vi = adios_inq_var(fp, name); adios_inq_var_blockinfo (fp, vi); if (vi->ndim > 0) { count*=vi->dims[0]; for (int j = 1; j < vi->ndim; j++) { count *= vi->dims[j]; } } size = count*adios_type_size(vi->type, vi->value); RealType *mem= (RealType *)malloc(size); adios_schedule_read(fp, NULL, name, 0, 1, mem); adios_perform_reads(fp, 1); for(int i=0; i<count; i++) { if(mem[i] == origin[i]) { cout<<name<<"["<<i<<"]verification passed "<<mem[i]<<endl; } else { cout<<name<<"["<<i<<"]verification not passed, readin: "<<mem[i]<<" writeout: "<<origin[i]<<endl; } } adios_free_varinfo (vi); free(mem); }
int read_write(int step) { int retval = 0; int i; uint64_t total_size; // open output file adios_open (&fh, group_namelist[0], outfilename, (step==1 ? "w" : "a"), comm); adios_group_size (fh, write_total, &total_size); for (i=0; i<f->nvars; i++) { if (varinfo[i].writesize != 0) { // read variable subset print ("rank %d: Read variable %d: %s\n", rank, i, f->var_namelist[i]); ADIOS_SELECTION *sel = adios_selection_boundingbox (varinfo[i].v->ndim, varinfo[i].start, varinfo[i].count); adios_schedule_read_byid (f, sel, i, 1, 1, readbuf); adios_perform_reads (f, 1); // write (buffer) variable print ("rank %d: Write variable %d: %s\n", rank, i, f->var_namelist[i]); adios_write(fh, f->var_namelist[i], readbuf); } } adios_release_step (f); // this step is no longer needed to be locked in staging area adios_close (fh); // write out output buffer to file return retval; }
eavlField * eavlXGCImporter::GetField(const string &name, const string &mesh, int chunk) { map<string, ADIOS_VARINFO*>::const_iterator it = variables.find(name); if (it == variables.end()) THROW(eavlException, string("Variable not found: ")+name); uint64_t s[3], c[3]; ADIOS_SELECTION *sel = MakeSelection(it->second, s, c); int nt = 1; for (int i = 0; i < it->second->ndim; i++) nt *= c[i]; double *buff = new double[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); int retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); eavlFloatArray *arr = new eavlFloatArray(name, 1); arr->SetNumberOfTuples(nt); for (int i = 0; i < nt; i++) arr->SetComponentFromDouble(i, 0, buff[i]); delete [] buff; eavlField *field = new eavlField(1, arr, eavlField::ASSOC_POINTS); //field->PrintSummary(cout); return field; }
// k is numbered from 1 to sum_nblocks void verifyData(ADIOS_FILE* f, ADIOS_VARINFO* v, int k, int timestep) { uint64_t blockBytes = adios_type_size (v->type, v->value); int j=0; if (v->ndim <= 0) { return; } //printf("verify block[%d]: ", k); for (j=0; j<v->ndim; j++) { blockBytes *= v->blockinfo[k].count[j]; //printf("%" PRIu64 ":%" PRIu64 " ", v->blockinfo[k].start[j], v->blockinfo[k].count[j]); } void* data = NULL; data = malloc(blockBytes); ADIOS_SELECTION* sel = adios_selection_boundingbox (v->ndim, v->blockinfo[k].start, v->blockinfo[k].count); int err = adios_schedule_read_byid(f, sel, v->varid, timestep, 1, data); if (!err) { err = adios_perform_reads(f, 1); } //fastbit_adios_util_printData(data, v->type, blockBytes/adios_type_size(v->type, v->value)); adios_selection_delete(sel); free(data); data = NULL; }
void adios_checkpoint_verify_variables(ADIOS_FILE* fp, const char* name, int* origin) { ADIOS_VARINFO *vi; int count = 1; int size; vi = adios_inq_var(fp, name); if (vi->ndim > 0) { cout<<name<<" verification not passed, not a scalar"<<endl; return; } size = count*adios_type_size(vi->type, vi->value); int * mem= (int * )malloc(size); ADIOS_SELECTION *sel = adios_selection_writeblock(OHMMS::Controller->rank()); adios_schedule_read(fp, sel, name, 0, 1, mem); //adios_schedule_read(fp, NULL, name, 0, 1, mem); adios_perform_reads(fp, 1); if(mem[0] == *origin) { cout<<name<<" verification passed "<<mem[0]<<endl; } else { cout<<name<<" verification not passed, readin: "<<mem[0]<<" writeout: "<<*origin<<endl; } adios_free_varinfo (vi); adios_selection_delete(sel); free(mem); }
/// Read a sub-array. /// /// @Note The length of the buffer is assumed to be sufficiently large /// if the argument bufLen is less or equal to 0. The caller is /// responsible for allocating the buffer (@c buf) of the currect size. int64_t ADIOS_Var::readData(void* buf, int64_t bufLen, const uint64_t* start, const uint64_t* count) { uint64_t total_elm = 1; for (int i=0; i<getNumDimension(); i++) { total_elm *= count[i]; #ifdef DEBUG LOGGER(ibis::gVerbose > 5) << "ADIOS_Var::readData: [" << i << "] start=" << start[i] << ", count=" << count[i]; #endif } { uint64_t total_bytes = total_elm * adios_type_size(getType(), readValue()); if (bufLen > 0 && (uint64_t)bufLen < total_bytes) { LOGGER(ibis::gVerbose > 0) << "Warning -- ADIOS_Var::readData: bufLen (" << bufLen << ") < total_bytes (" << total_bytes << ")"; return -1; } } ADIOS_SELECTION *sel = adios_selection_boundingbox (m_handle->ndim, start, count); if (sel == 0) { LOGGER(ibis::gVerbose > 1) << "Warning -- ADIOS_Var::readData failed to create a selection"; return -2; } IBIS_BLOCK_GUARD(adios_selection_delete, sel); int ierr = adios_schedule_read_byid (getFile(), sel, index(), getFile()->current_step, 1, buf); if (ierr != 0) { LOGGER(ibis::gVerbose > 0) << "Warning -- ADIOS_Var::readData call to " "adios_schedule_read_byid failed due to " << adios_errmsg(); return -3; } ierr = adios_perform_reads(getFile(), 1); // 1 == blocking if (ierr != 0) { LOGGER(ibis::gVerbose > 0) << "Warning -- ADIOS_Var::readData call to adios_perform_reads on " << getFileName() << " failed due to " << adios_errmsg(); return -4; } LOGGER(ibis::gVerbose > 5) << "ADIOS_Var::readData: competeled reading " << total_elm << " element" << (total_elm>1?"s":"") << " for " << getName() << " from " << getFileName(); return total_elm; } // ADIOS_Var::readData
void adios_checkpoint_verify_random_variables(ADIOS_FILE* fp, const char* name, uint_type* origin) { ADIOS_VARINFO *vi; int count_int = 1; int size; uint64_t *start; uint64_t *count; vi = adios_inq_var(fp, name); adios_inq_var_blockinfo (fp, vi); if (vi->ndim > 0) { start = (uint64_t *)malloc(vi->ndim * sizeof(uint64_t)); count = (uint64_t *)malloc(vi->ndim * sizeof(uint64_t)); } for (int j=0; j<vi->nblocks[0]; j++) { if(j == OHMMS::Controller->rank()) { for (int k=0; k<vi->ndim; k++) { start[k] = vi->blockinfo[j].start[k]; count[k] = vi->blockinfo[j].count[k]; count_int *= count[k]; //cout<<OHMMS::Controller->rank()<<" count "<<start[k]<<" "<<count[k]<<endl; } } } size = count_int*adios_type_size(vi->type, vi->value); uint_type *mem= (uint_type*)malloc(size); ADIOS_SELECTION *sel = adios_selection_boundingbox(vi->ndim, start, count); adios_schedule_read(fp, sel, name, 0, 1, mem); adios_perform_reads(fp, 1); int flag = 0; for(int i=0; i<count_int; i++) { if(mem[i] == origin[i]) { //cout<<name<<"["<<i<<"]verification passed "<<mem[i]<<endl; } else { flag = 1; cout<<name<<"["<<i<<"]verification not passed, readin: "<<mem[i]<<" writeout: "<<origin[i]<<endl; } } if (flag == 0) cout<<name<<" verification passed "<<endl; else cout<<name<<" verification not passed "<<endl; adios_free_varinfo (vi); adios_selection_delete(sel); free(start); free(count); free(mem); }
void onBlock(int rank, ADIOS_FILE* f, ADIOS_VARINFO* v, int i, int j, int blockCounter, FastBitDataType ft) { char bmsVarName[100]; char keyVarName[100]; char offsetName[100]; int64_t var_ids_bms[v->nblocks[i]]; int64_t var_ids_key[v->nblocks[i]]; int64_t var_ids_offset[v->nblocks[i]]; sprintf(bmsVarName, "bms-%d-%d-%d", v->varid, i, j); sprintf(keyVarName, "key-%d-%d-%d", v->varid, i, j); sprintf(offsetName, "offset-%d-%d-%d", v->varid, i, j); uint64_t blockSize = fastbit_adios_util_getBlockSize(v, i, j); uint64_t blockDataByteSize = adios_type_size (v->type, v->value) * blockSize; char notes[100]; logTime(NULL); logTimeMillis(NULL); sprintf(notes, " reading data from adios on varid=%d, time=%d, block: %d, size=%ld bytes=%ld", v->varid, i, j, blockSize, blockDataByteSize); logTime(notes); logTimeMillis(notes); localtime(&indexRefresh); //printf(" %d th block / (%d), size= %" PRIu64 " bytes=%" PRIu64, j, blockSize, blockCounter, blockDataByteSize); void* data = malloc (blockDataByteSize); ADIOS_SELECTION* blockSel = adios_selection_writeblock(j); //adios_selcton_writeblock(num), 0 <= num < nblocks[timestep] //ADIOS_SELECTION* blockSel = adios_selection_writeblock(blockCounter); int err = adios_schedule_read_byid(f, blockSel, v->varid, i, 1, data); if (!err) { err = adios_perform_reads(f, 1); } else { printf("Unable to read block %d at timestep: %d \n", j, i); return; //break; } //fastbit_adios_util_printData(data, v->type, blockSize); char selName[20]; sprintf(selName, "block-%d", j); processData(data, blockSize, rank, i, selName, ft, v); //processData(void* data, uint64_t dataCount, int rank, int timestep, char* selName, FastBitDataType ft, ADIOS_VARINFO* v) adios_selection_delete(blockSel); verifyData(f, v, blockCounter, i); } // onblock
void ToolsAdiosParallel::convertToText() { if(m_options.data.size() == 0) throw std::runtime_error("No datasets requested"); for (size_t i = 0; i < m_options.data.size(); ++i) { ADIOS_VARINFO *pVarInfo; //get name of dataset to print std::string nodeName = m_options.data[i]; uint8_t *P; int varElement = 1; int varTypeSize = 0; adios_read_init_method(ADIOS_READ_METHOD_BP, comm, nodeName.c_str()); pVarInfo = adios_inq_var(pFile, nodeName.c_str()); varTypeSize = adios_type_size(pVarInfo->type, NULL); // get number of elements combined in a dataset for(int j = 0; j < pVarInfo->ndim; j++) { varElement = varElement * pVarInfo->dims[j]; } // allocate memory P = (uint8_t*) malloc (sizeof(uint8_t) * varTypeSize * varElement); adios_schedule_read(pFile, NULL, nodeName.c_str(), 0, 1, P); adios_perform_reads(pFile, 1); if(pVarInfo->ndim > 0) { for(int k = 0; k < varElement; k++) { printValue(pVarInfo->type, &P[k*varTypeSize]); } } else { printValue(pVarInfo->type, pVarInfo->value); } adios_free_varinfo(pVarInfo); } }
/** Read the skalar field and optionally the attribute into the values referenced by the pointers */ void operator()(ThreadParams& params, const std::string& name, T_Scalar* value, const std::string& attrName = "", T_Attribute* attribute = nullptr) { log<picLog::INPUT_OUTPUT> ("ADIOS: read %1%D scalars: %2%") % simDim % name; std::string datasetName = params.adiosBasePath + name; ADIOS_VARINFO* varInfo; ADIOS_CMD_EXPECT_NONNULL( varInfo = adios_inq_var(params.fp, datasetName.c_str()) ); if(varInfo->ndim != simDim) throw std::runtime_error(std::string("Invalid dimensionality for ") + name); if(varInfo->type != traits::PICToAdios<T_Scalar>().type) throw std::runtime_error(std::string("Invalid type for ") + name); DataSpace<simDim> gridPos = Environment<simDim>::get().GridController().getPosition(); uint64_t start[varInfo->ndim]; uint64_t count[varInfo->ndim]; for(int d = 0; d < varInfo->ndim; ++d) { /* \see adios_define_var: z,y,x in C-order */ start[d] = gridPos.revert()[d]; count[d] = 1; } ADIOS_SELECTION* fSel = adios_selection_boundingbox(varInfo->ndim, start, count); // avoid deadlock between not finished pmacc tasks and mpi calls in adios __getTransactionEvent().waitForFinished(); /* specify what we want to read, but start reading at below at `adios_perform_reads` */ /* magic parameters (0, 1): `from_step` (not used in streams), `nsteps` to read (must be 1 for stream) */ log<picLog::INPUT_OUTPUT > ("ADIOS: Schedule read skalar %1%)") % datasetName; ADIOS_CMD( adios_schedule_read(params.fp, fSel, datasetName.c_str(), 0, 1, (void*)value) ); /* start a blocking read of all scheduled variables */ ADIOS_CMD( adios_perform_reads(params.fp, 1) ); adios_selection_delete(fSel); adios_free_varinfo(varInfo); if(!attrName.empty()) { log<picLog::INPUT_OUTPUT> ("ADIOS: read attribute %1% for scalars: %2%") % attrName % name; *attribute = readAttribute<T_Attribute>(params.fp, datasetName, attrName); } }
void AdiosCheckpointInput::performReads() { for (int i = 0; i < read_queue.size(); i++) { const char* var_name = read_queue[i].c_str(); //grab the information from the metadata about this variable ADIOS_VARINFO* adios_inq = adios_inq_var(adios_file_handle, var_name); //Calculate the total size of the vector based on the metadata uint64_t total_size = adios_type_size(adios_inq->type, NULL); for (int i = 0; i < adios_inq->ndim; i++) total_size *= adios_inq->dims[i]; //allocate and then store for when retrieve void* buff = malloc(total_size); buffers.push_back(buff); //schedule the read adios_schedule_read(adios_file_handle, sel, var_name, 0, 1, buff); //Don't need the information about the variable anymore adios_free_varinfo(adios_inq); } //perform the read adios_perform_reads(adios_file_handle, 1); }
void AdiosCheckpointInput::getVector(const std::string& var_name, vector<T>& buffer) { ADIOS_VARINFO* adios_inq = adios_inq_var(adios_file_handle, var_name.c_str()); //Check to make sure the T is the same size as the data type on the disk if (adios_type_size(adios_inq->type, NULL) != sizeof(T)) { qmcplusplus::app_error() << "Data type does not match data type found in file: " << std::endl; APP_ABORT("qmcapp"); return ; } uint64_t total_size = 1; for (int i = 0; i < adios_inq->ndim; i++) total_size *= adios_inq->dims[i]; //make sure we have enough space to copy all the data from the file buffer.reserve(total_size); //schedule the read adios_schedule_read(adios_file_handle, sel, var_name.c_str(), 0, 1, &(buffer[0])); //perform the read adios_perform_reads(adios_file_handle, 1); //Don't need the information about the variable anymore adios_free_varinfo(adios_inq); }
void adios_trace_verify_local_variables(ADIOS_FILE* fp, const char* name, double* origin) { ADIOS_VARINFO *vi; int count = 1; unsigned long size = 1; vi = adios_inq_var(fp, name); adios_inq_var_blockinfo(fp, vi); for (int j=0; j<vi->nblocks[0]; j++) { if(OHMMS::Controller->rank() == j) { for (int k=0; k<vi->ndim; k++) { count *= vi->blockinfo[j].count[k]; } } } size = count * adios_type_size(vi->type, vi->value); double* mem = (double*)malloc(size); ADIOS_SELECTION *sel = adios_selection_writeblock(OHMMS::Controller->rank()); adios_schedule_read(fp, sel, name, 0, 1, mem); adios_perform_reads(fp, 1); int flag = 0; for(int i=0; i<count; i++) { if(mem[i] == origin[i]) { } else { flag = 1; cout<<OHMMS::Controller->rank()<<" "<<name<<"["<<i<<"]verification not passed, readin: "<<mem[i]<<" writeout: "<<origin[i]<<endl; } } if(flag == 0) cout<<OHMMS::Controller->rank()<<" "<<name<<" verification passed"<<endl; adios_selection_delete(sel); adios_free_varinfo (vi); free(mem); }
void onMultiBlock(int rank, ADIOS_FILE* f, ADIOS_VARINFO* v, int timestep, int blockStart, int blockEnd, FastBitDataType ft) { int i=0; char selName[100]; sprintf(selName, "block-%d", blockStart, blockEnd); uint64_t blockSizeArray[blockEnd-blockStart]; uint64_t totalCount = 0; for (i = blockStart; i< blockEnd; i++) { blockSizeArray[i-blockStart] = fastbit_adios_util_getBlockSize(v, timestep, i); //totalBytes += blockSizeArray[i-blockStart] * adios_type_size (v->type, v->value); totalCount += blockSizeArray[i-blockStart]; } //void* data = malloc (totalBytes); double* data = (double *) calloc (totalCount, sizeof (double)); uint64_t currStart = 0; for (i = blockStart; i < blockEnd; i++) { ADIOS_SELECTION* blockSel = adios_selection_writeblock(i); int err = adios_schedule_read_byid(f, blockSel, v->varid, timestep, 1, &data[currStart]); currStart += blockSizeArray[i-blockStart]; if (!err) { err = adios_perform_reads(f, 1); } else { printf("Unable to read block %d at timestep: %d \n", i, timestep); return; //break; } } processData(data, totalCount, rank, timestep, selName, ft, v); //processData(void* data, uint64_t dataCount, int rank, int timestep, char* selName, FastBitDataType ft, ADIOS_VARINFO* v) } // on multi block
int read_points () { ADIOS_SELECTION *sel0,*sel1,*sel2,*sel3; ADIOS_FILE * f; ADIOS_VARINFO * vi; int err=0,n,n1, i,j,k; int nsteps_a, nsteps_b, nsteps_c; int v; uint64_t *pts1; uint64_t *pts2; uint64_t *pts3; uint64_t start[3] = {offs1,offs2,offs3}; uint64_t count[3] = {ldim1,ldim2,ldim3}; pts1 = (uint64_t*) malloc (1*sizeof(uint64_t)*ldim1); pts2 = (uint64_t*) malloc (2*sizeof(uint64_t)*ldim1*ldim2); pts3 = (uint64_t*) malloc (3*sizeof(uint64_t)*ldim1*ldim2*ldim3); for (i=0; i<ldim1; i++) { pts1[i] = offs1 + i; for (j=0; j<ldim2; j++) { pts2[i*2*ldim2 + 2*j] = offs1 + i; pts2[i*2*ldim2 + 2*j+1] = j; for (k=0; k<ldim3; k++) { pts3[i*3*ldim2*ldim3+j*3*ldim3+3*k] = offs1 + i; pts3[i*3*ldim2*ldim3+j*3*ldim3+3*k+1] = j; pts3[i*3*ldim2*ldim3+j*3*ldim3+3*k+2] = k; } } } //Force error on very last point: pts3[3*ldim1*ldim2*ldim3-1] = 0; reset_readvars(); log ("Read and check data in %s using point selections\n", FILENAME); f = adios_read_open (FILENAME, read_method, comm, ADIOS_LOCKMODE_CURRENT, 0.0); if (f == NULL) { printE ("Error at opening file: %s\n", rank, adios_errmsg()); return 1; } sel1 = adios_selection_points (1, ldim1, pts1); sel2 = adios_selection_points (2, ldim1*ldim2, pts2); sel3 = adios_selection_points (3, ldim1*ldim2*ldim3, pts3); #ifdef DEBUG_PRINTS fprintf(stderr, "1D selection: {"); for (i=0; i<ldim1; i++) { fprintf (stderr, "%d ", i, i, pts1[i]); } fprintf(stderr, "}\n"); fprintf(stderr, "2D selection :\n"); for (i=0; i<ldim1; i++) { fprintf (stderr, "i=%d, idx=%2d- = ", i, i*2*ldim2); for (j=0; j<ldim2; j++) { n = i*2*ldim2+2*j; fprintf (stderr, "{%d,%d} ", pts2[n], pts2[n+1]); } fprintf(stderr, "\n"); } fprintf(stderr, "3D selection :\n"); for (i=0; i<ldim1; i++) { for (j=0; j<ldim2; j++) { fprintf (stderr, "i=%d, j=%d, idx=%3d- = ", i, j, i*3*ldim2*ldim3+j*3*ldim3); for (k=0; k<ldim3; k++) { n = i*3*ldim2*ldim3+j*3*ldim3+3*k; fprintf (stderr, "{%d,%d,%d} ", pts3[n], pts3[n+1], pts3[n+2]); } fprintf(stderr, "\n"); } } #endif n1=0; while (n1 < NSTEPS && adios_errno != err_end_of_stream) { n1++; log (" Step %d\n", f->current_step); log (" Check 1D variable a1...\n"); adios_schedule_read (f, sel1, "a1", 0, 1, r1); adios_perform_reads (f, 1); #ifdef DEBUG_PRINTS fprintf(stderr, "1D result: {"); for (i=0; i<ldim1; i++) { fprintf (stderr, "%d ", i, i, r1[i]); } fprintf(stderr, "}\n"); #endif for (i=0; i<ldim1; i++) { v = VALUE1D(rank,f->current_step,i); if (r1[i] != v) { printE ("Error: a1[%d]=%d != read=%d\n", i, v, r1[i]); //goto endread; } } log (" Check 2D variable a2...\n"); adios_schedule_read (f, sel2, "a2", 0, 1, r2); adios_perform_reads (f, 1); #ifdef DEBUG_PRINTS fprintf(stderr, "2D result :\n"); n = 0; for (i=0; i<ldim1; i++) { fprintf (stderr, "row=%2d- = {", i); for (j=0; j<ldim2; j++) { fprintf (stderr, "%d ", r2[n]); n++; } fprintf(stderr, "}\n"); } #endif n = 0; for (i=0; i<ldim1; i++) { for (j=0; j<ldim2; j++) { v = VALUE2D(rank,f->current_step,i,j); if (v != r2[n]) { printE ("Error: a2[%d,%d]=%d != read=%d\n", i, j, v, r2[n]); //goto endread; } n++; } } log (" Check 3D variable a3...\n"); adios_schedule_read (f, sel3, "a3", 0, 1, r3); adios_perform_reads (f, 1); #ifdef DEBUG_PRINTS fprintf(stderr, "3D selection :\n"); n=0; for (i=0; i<ldim1; i++) { for (j=0; j<ldim2; j++) { fprintf (stderr, "[%d,%d] = {", i, j); for (k=0; k<ldim3; k++) { fprintf (stderr, "%d ", r3[n]); n++; } fprintf(stderr, "}\n"); } } #endif n = 0; for (i=0; i<ldim1; i++) { for (j=0; j<ldim2; j++) { for (k=0; k<ldim3; k++) { v = VALUE3D(rank,f->current_step,i,j,k); if (v != r3[n]) { printE ("Error: a3[%d,%d,%d]=%d != read=%d\n", i, j, k, v, r3[n]); //goto endread; } n++; } } } if (n1 < NSTEPS) { adios_advance_step (f, 0, -1.0); } } endread: adios_selection_delete (sel1); adios_selection_delete (sel2); adios_selection_delete (sel3); free(pts1); free(pts2); free(pts3); adios_read_close(f); MPI_Barrier (comm); return err; }
static void test_file_mode_reads_on_var(ADIOS_FILE *fp, const char *bp_filename, const char *varname) { int i; ADIOS_VARINFO *varinfo = adios_inq_var(fp, varname); MPI_Assert(COMM, varinfo); if (varinfo->value != NULL) { //if (rank == 0) fprintf(stderr, "(skipping scalar variable '%s')\n", varname); adios_free_varinfo(varinfo); return; } fprintf(stderr, "[rank %d/%d] Starting file-mode writeblock reads on %s:/%s\n", rank, size, bp_filename, varname); adios_inq_var_blockinfo(fp, varinfo); MPI_Assert(COMM, varinfo->blockinfo); const enum ADIOS_DATATYPES datatype = varinfo->type; const int datatypesize = adios_get_type_size(datatype, NULL); int timestep, timestep_blockidx, blockidx = 0; for (timestep = 0; timestep < varinfo->nsteps; ++timestep) { for (timestep_blockidx = 0; timestep_blockidx < varinfo->nblocks[timestep]; ++timestep_blockidx, ++blockidx) { if (blockidx % size != rank) continue; const ADIOS_VARBLOCK *vb = &varinfo->blockinfo[blockidx]; ADIOS_SELECTION *block_bb = adios_selection_boundingbox(varinfo->ndim, vb->start, vb->count); ADIOS_SELECTION *block_wb = adios_selection_writeblock(timestep_blockidx); ADIOS_SELECTION *block_abs_wb = adios_selection_writeblock(blockidx); block_abs_wb->u.block.is_absolute_index = 1; uint64_t blocksize = datatypesize; for (i = 0; i < varinfo->ndim; ++i) blocksize *= vb->count[i]; void *buf_bb = malloc(blocksize); void *buf_wb = malloc(blocksize); void *buf_abs_wb = malloc(blocksize); memset(buf_bb, 0, blocksize); memset(buf_wb, 1, blocksize); memset(buf_abs_wb, 2, blocksize); MPI_Assert(COMM, buf_bb && buf_wb && buf_abs_wb); adios_schedule_read(fp, block_bb, varname, timestep, 1, buf_bb ); adios_schedule_read(fp, block_wb, varname, timestep, 1, buf_wb ); adios_schedule_read(fp, block_abs_wb, varname, timestep, 1, buf_abs_wb); adios_perform_reads(fp, 1); fprintf(stderr, "[rank %d/%d] Checking file-mode blockidx %d BB vs. WB...\n", rank, size, blockidx); MPI_Assert(COMM, memcmp(buf_bb, buf_wb, blocksize) == 0); fprintf(stderr, "[rank %d/%d] Checking file-mode blockidx %d BB vs. abs-WB...\n", rank, size, blockidx); MPI_Assert(COMM, memcmp(buf_bb, buf_abs_wb, blocksize) == 0); free(buf_bb); free(buf_wb); free(buf_abs_wb); adios_selection_delete(block_bb); adios_selection_delete(block_wb); adios_selection_delete(block_abs_wb); } } adios_free_varinfo(varinfo); fprintf(stderr, "[rank %d/%d] Finished file-mode writeblock reads on %s:/%s\n", rank, size, bp_filename, varname); }
eavlField * eavlXGCParticleImporter::GetField(const string &name, const string &mesh, int chunk) { int idx = 0; eavlField *field; uint64_t s[3], c[3]; map<string, ADIOS_VARINFO*>::const_iterator it; if(name.compare("ephase") == 0 && ephaseAvail) { eavlFloatArray *arr = new eavlFloatArray(name, 1); arr->SetNumberOfTuples(totalEParticles*9); for(it = ephase.begin(); it != ephase.end(); it++) { int nt = 1; ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 0); for(int i = 0; i < it->second->ndim; i++) nt *= c[i]; double *buff = new double[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); int retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); for(int i = 0; i < nt; i++) { arr->SetComponentFromDouble(idx, 0, buff[i]); idx++; } delete [] buff; } field = new eavlField(1, arr, eavlField::ASSOC_POINTS); } else if(name.compare("iphase") == 0 && iphaseAvail) { eavlFloatArray *arr = new eavlFloatArray(name, 1); arr->SetNumberOfTuples(totalIParticles*9); for(it = iphase.begin(); it != iphase.end(); it++) { int nt = 1; ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 1); for (int i = 0; i < it->second->ndim; i++) nt *= c[i]; double *buff = new double[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); int retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); for(int i = 0; i < nt; i++) { arr->SetComponentFromDouble(idx, 0, buff[i]); idx++; } delete [] buff; } field = new eavlField(1, arr, eavlField::ASSOC_POINTS); } else if(name.compare("igid") == 0 && iphaseAvail) { eavlIntArray *arr = new eavlIntArray(name, 1); arr->SetNumberOfTuples(totalIParticles); for(it = igid.begin(); it != igid.end(); it++) { int nt = 1; ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 1); for(int i = 0; i < it->second->ndim; i++) nt *= c[i]; long long *buff = new long long[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); int retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); for(int i = 0; i < nt; i++) { arr->SetValue(idx, (int)buff[i]); idx++; } delete [] buff; } field = new eavlField(1, arr, eavlField::ASSOC_POINTS); } else if((name.compare("egid") == 0) && ephaseAvail ) { eavlIntArray *arr = new eavlIntArray(name, 1); arr->SetNumberOfTuples(totalEParticles); for (it = egid.begin(); it != egid.end(); it++) { int nt = 1; ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 0); for(int i = 0; i < it->second->ndim; i++) nt *= c[i]; long long *buff = new long long[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); int retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); for(int i = 0; i < nt; i++) { arr->SetValue(idx, (int)buff[i]); idx++; } delete [] buff; } field = new eavlField(1, arr, eavlField::ASSOC_POINTS); } else { THROW(eavlException, string("Variable not found: ")+name); } return field; }
int main (int argc, char ** argv) { int rank, size, i, j; MPI_Comm comm = MPI_COMM_WORLD; ADIOS_FILE * f; ADIOS_VARINFO * v; ADIOS_SELECTION * sel; int steps = 0; int retval = 0; float timeout_sec = 1.0; void * data = NULL; uint64_t start[2], count[2]; MPI_Init (&argc, &argv); MPI_Comm_rank (comm, &rank); MPI_Comm_size (comm, &size); adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "verbose=3"); f = adios_read_open ("adios_globaltime.bp", ADIOS_READ_METHOD_BP, comm, ADIOS_LOCKMODE_NONE, timeout_sec); if (adios_errno == err_file_not_found) { printf ("rank %d: Stream not found after waiting %f seconds: %s\n", rank, timeout_sec, adios_errmsg()); retval = adios_errno; } else if (adios_errno == err_end_of_stream) { printf ("rank %d: Stream terminated before open. %s\n", rank, adios_errmsg()); retval = adios_errno; } else if (f == NULL) { printf ("rank %d: Error at opening stream: %s\n", rank, adios_errmsg()); retval = adios_errno; } else { /* process file here... */ v = adios_inq_var (f, "temperature"); adios_inq_var_blockinfo (f, v); printf ("ndim = %d\n", v->ndim); //printf ("nsteps = %d\n", v->nsteps); printf ("dims[%llu][%llu]\n", v->dims[0], v->dims[1]); uint64_t slice_size = v->dims[0]/size; if (rank == size-1) slice_size = slice_size + v->dims[0]%size; start[0] = rank * slice_size; count[0] = slice_size; start[1] = 0; count[1] = v->dims[1]; data = malloc (slice_size * v->dims[1] * 8); /* Processing loop over the steps (we are already in the first one) */ while (adios_errno != err_end_of_stream) { steps++; // steps start counting from 1 sel = adios_selection_boundingbox (v->ndim, start, count); adios_schedule_read (f, sel, "temperature", 0, 1, data); adios_perform_reads (f, 1); if (rank == 0) printf ("--------- Step: %d --------------------------------\n", f->current_step); printf("rank=%d: [0:%lld,0:%lld] = [", rank, v->dims[0], v->dims[1]); for (i = 0; i < slice_size; i++) { printf (" ["); for (j = 0; j < v->dims[1]; j++) { printf ("%g ", *((double *)data + i * v->dims[1] + j)); } printf ("]"); } printf (" ]\n\n"); // advance to 1) next available step with 2) blocking wait adios_advance_step (f, 0, timeout_sec); if (adios_errno == err_step_notready) { printf ("rank %d: No new step arrived within the timeout. Quit. %s\n", rank, adios_errmsg()); break; // quit while loop } } adios_read_close (f); } if (rank==0) printf ("We have processed %d steps\n", steps); adios_read_finalize_method (ADIOS_READ_METHOD_BP); free (data); MPI_Finalize (); return retval; }
int worker(int argc, char* argv[]) { TAU_PROFILE_TIMER(timer, __func__, __FILE__, TAU_USER); TAU_PROFILE_START(timer); my_printf("%d of %d In worker B\n", myrank, commsize); static bool announced = false; /* validate input */ validate_input(argc, argv); my_printf("Worker B will execute until it sees n iterations.\n", iterations); /* ADIOS: These declarations are required to match the generated * gread_/gwrite_ functions. (And those functions are * generated by calling 'gpp.py adios_config.xml') ... * EXCEPT THAT THE generation of Reader code is broken. * So, we will write the reader code manually. */ uint64_t adios_groupsize; uint64_t adios_totalsize; uint64_t adios_handle; void * data = NULL; uint64_t start[2], count[2]; int i, j, steps = 0; int NX = 10; int NY = 1; double t[NX]; double p[NX]; /* ADIOS: Can duplicate, split the world, whatever. * This allows you to have P writers to N files. * With no splits, everyone shares 1 file, but * can write lock-free by using different areas. */ MPI_Comm adios_comm, adios_comm_b_to_c; adios_comm = MPI_COMM_WORLD; //MPI_Comm_dup(MPI_COMM_WORLD, &adios_comm); adios_comm_b_to_c = MPI_COMM_WORLD; //MPI_Comm_dup(MPI_COMM_WORLD, &adios_comm_b_to_c); enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_FLEXPATH; adios_read_init_method(method, adios_comm, "verbose=3"); if (adios_errno != err_no_error) { fprintf (stderr, "rank %d: Error %d at init: %s\n", myrank, adios_errno, adios_errmsg()); exit(4); } if (send_to_c) { adios_init("adios_config.xml", adios_comm); } /* ADIOS: Set up the adios communications and buffers, open the file. */ ADIOS_FILE *fp; // file handler ADIOS_VARINFO *vi; // information about one variable ADIOS_SELECTION * sel; char adios_filename_a_to_b[256]; char adios_filename_b_to_c[256]; enum ADIOS_LOCKMODE lock_mode = ADIOS_LOCKMODE_NONE; double timeout_sec = 1.0; sprintf(adios_filename_a_to_b, "adios_a_to_b.bp"); sprintf(adios_filename_b_to_c, "adios_b_to_c.bp"); my_printf ("rank %d: Worker B opening file: %s\n", myrank, adios_filename_a_to_b); fp = adios_read_open(adios_filename_a_to_b, method, adios_comm, lock_mode, timeout_sec); if (adios_errno == err_file_not_found) { fprintf (stderr, "rank %d: Stream not found after waiting %d seconds: %s\n", myrank, timeout_sec, adios_errmsg()); exit(1); } else if (adios_errno == err_end_of_stream) { // stream has been gone before we tried to open fprintf (stderr, "rank %d: Stream terminated before open. %s\n", myrank, adios_errmsg()); exit(2); } else if (fp == NULL) { // some other error happened fprintf (stderr, "rank %d: Error %d at opening: %s\n", myrank, adios_errno, adios_errmsg()); exit(3); } else { my_printf("Found file %s\n", adios_filename_a_to_b); my_printf ("File info:\n"); my_printf (" current step: %d\n", fp->current_step); my_printf (" last step: %d\n", fp->last_step); my_printf (" # of variables: %d:\n", fp->nvars); vi = adios_inq_var(fp, "temperature"); adios_inq_var_blockinfo(fp, vi); printf ("ndim = %d\n", vi->ndim); printf ("nsteps = %d\n", vi->nsteps); printf ("dims[%llu][%llu]\n", vi->dims[0], vi->dims[1]); uint64_t slice_size = vi->dims[0]/commsize; if (myrank == commsize-1) { slice_size = slice_size + vi->dims[0]%commsize; } start[0] = myrank * slice_size; count[0] = slice_size; start[1] = 0; count[1] = vi->dims[1]; data = malloc (slice_size * vi->dims[1] * 8); /* Processing loop over the steps (we are already in the first one) */ while (adios_errno != err_end_of_stream && steps < iterations) { steps++; // steps start counting from 1 TAU_PROFILE_TIMER(adios_recv_timer, "ADIOS recv", __FILE__, TAU_USER); TAU_PROFILE_START(adios_recv_timer); sel = adios_selection_boundingbox (vi->ndim, start, count); adios_schedule_read (fp, sel, "temperature", 0, 1, data); adios_perform_reads (fp, 1); if (myrank == 0) printf ("--------- B Step: %d --------------------------------\n", fp->current_step); #if 0 printf("B rank=%d: [0:%lld,0:%lld] = [", myrank, vi->dims[0], vi->dims[1]); for (i = 0; i < slice_size; i++) { printf (" ["); for (j = 0; j < vi->dims[1]; j++) { printf ("%g ", *((double *)data + i * vi->dims[1] + j)); } printf ("]"); } printf (" ]\n\n"); #endif // advance to 1) next available step with 2) blocking wait adios_advance_step (fp, 0, timeout_sec); if (adios_errno == err_step_notready) { printf ("B rank %d: No new step arrived within the timeout. Quit. %s\n", myrank, adios_errmsg()); break; // quit while loop } TAU_PROFILE_STOP(adios_recv_timer); /* Do some exchanges with neighbors */ //do_neighbor_exchange(); /* "Compute" */ compute(steps); for (i = 0; i < NX; i++) { t[i] = steps*100.0 + myrank*NX + i; } for (i = 0; i < NY; i++) { p[i] = steps*1000.0 + myrank*NY + i; } if (send_to_c) { TAU_PROFILE_TIMER(adios_send_timer, "ADIOS send", __FILE__, TAU_USER); TAU_PROFILE_START(adios_send_timer); /* ADIOS: write to the next application in the workflow */ if (steps == 0) { adios_open(&adios_handle, "b_to_c", adios_filename_b_to_c, "w", adios_comm_b_to_c); } else { adios_open(&adios_handle, "b_to_c", adios_filename_b_to_c, "a", adios_comm_b_to_c); } /* ADIOS: Actually write the data out. * Yes, this is the recommended method, and this way, changes in * configuration with the .XML file will, even in the worst-case * scenario, merely require running 'gpp.py adios_config.xml' * and typing 'make'. */ #include "gwrite_b_to_c.ch" /* ADIOS: Close out the file completely and finalize. * If MPI is being used, this must happen before MPI_Finalize(). */ adios_close(adios_handle); TAU_PROFILE_STOP(adios_send_timer); #if 1 if (!announced) { SOS_val foo; foo.i_val = NX; SOS_pack(example_pub, "NX", SOS_VAL_TYPE_INT, foo); SOS_announce(example_pub); SOS_publish(example_pub); announced = true; } #endif } MPI_Barrier(adios_comm_b_to_c); } MPI_Barrier(MPI_COMM_WORLD); adios_read_close(fp); /* ADIOS: Close out the file completely and finalize. * If MPI is being used, this must happen before MPI_Finalize(). */ adios_read_finalize_method(method); } if (send_to_c) { adios_finalize(myrank); } free(data); //MPI_Comm_free(&adios_comm); //MPI_Comm_free(&adios_comm_b_to_c); TAU_PROFILE_STOP(timer); /* exit */ return 0; }
eavlDataSet * eavlXGCParticleImporter::GetMesh(const string &name, int chunk) { eavlDataSet *ds = new eavlDataSet; if(name == "iMesh" && iphaseAvail) { ds->SetNumPoints(totalIParticles); eavlCoordinatesCartesian *coords = new eavlCoordinatesCartesian(NULL, eavlCoordinatesCartesian::X, eavlCoordinatesCartesian::Y, eavlCoordinatesCartesian::Z); ds->AddCoordinateSystem(coords); coords->SetAxis(0, new eavlCoordinateAxisField("xcoords", 0)); coords->SetAxis(1, new eavlCoordinateAxisField("ycoords", 0)); coords->SetAxis(2, new eavlCoordinateAxisField("zcoords", 0)); eavlArray *axisValues[3] = { new eavlFloatArray("xcoords", 1), new eavlFloatArray("ycoords", 1), new eavlFloatArray("zcoords", 1) }; axisValues[0]->SetNumberOfTuples(totalIParticles); axisValues[1]->SetNumberOfTuples(totalIParticles); axisValues[2]->SetNumberOfTuples(totalIParticles); //Set all of the axis values to the x, y, z coordinates of the //iphase particles; set computational node origin eavlIntArray *originNode; if(getOriginNode && readingRestartFile) originNode = new eavlIntArray("originNode", 1, totalIParticles); eavlFloatArray *r; if(getR) r = new eavlFloatArray("R", 1, totalIParticles); eavlFloatArray *z; if(getZ) z = new eavlFloatArray("Z", 1, totalIParticles); eavlFloatArray *phi; if(getPhi) phi = new eavlFloatArray("phi", 1, totalIParticles); eavlFloatArray *rho; if(getRho) rho = new eavlFloatArray("rho", 1, totalIParticles); eavlFloatArray *w1; if(getW1) w1 = new eavlFloatArray("w1", 1, totalIParticles); eavlFloatArray *w2; if(getW2) w2 = new eavlFloatArray("w2", 1, totalIParticles); eavlFloatArray *mu; if(getMu) mu = new eavlFloatArray("mu", 1, totalIParticles); eavlFloatArray *w0; if(getW0) w0 = new eavlFloatArray("w0", 1, totalIParticles); eavlFloatArray *f0; if(getF0) f0 = new eavlFloatArray("f0", 1, totalIParticles); uint64_t s[3], c[3]; double *buff; int nt = 1, idx = 0; map<string, ADIOS_VARINFO*>::const_iterator it; for(it = iphase.begin(); it != iphase.end(); it++) { ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 1); nt = 1; for (int i = 0; i < it->second->ndim; i++) nt *= c[i]; buff = new double[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); adios_perform_reads(fp, 1); adios_selection_delete(sel); string nodeNum; if(getOriginNode && readingRestartFile) nodeNum = it->first.substr(it->first.find("_",1,1)+1, 5); for(int i = 0; i < nt; i+=9) { if(getR) r->SetValue(idx, buff[i]); if(getZ) z->SetValue(idx, buff[i+1]); if(getPhi) phi->SetValue(idx, buff[i+2]); if(getRho) rho->SetValue(idx, buff[i+3]); if(getW1) w1->SetValue(idx, buff[i+4]); if(getW2) w2->SetValue(idx, buff[i+5]); if(getMu) mu->SetValue(idx, buff[i+6]); if(getW0) w0->SetValue(idx, buff[i+7]); if(getF0) f0->SetValue(idx, buff[i+8]); axisValues[0]->SetComponentFromDouble(idx, 0, r->GetValue(idx)*cos(phi->GetValue(idx))); axisValues[1]->SetComponentFromDouble(idx, 0, r->GetValue(idx)*sin(phi->GetValue(idx))); axisValues[2]->SetComponentFromDouble(idx, 0, z->GetValue(idx)); if(getOriginNode && readingRestartFile) originNode->SetValue(idx, atoi(nodeNum.c_str())); idx++; } delete [] buff; } ds->AddField(new eavlField(1, axisValues[0], eavlField::ASSOC_POINTS)); ds->AddField(new eavlField(1, axisValues[1], eavlField::ASSOC_POINTS)); ds->AddField(new eavlField(1, axisValues[2], eavlField::ASSOC_POINTS)); if(getOriginNode && readingRestartFile) ds->AddField(new eavlField(1, originNode, eavlField::ASSOC_POINTS)); if(getR) ds->AddField(new eavlField(1, r, eavlField::ASSOC_POINTS)); if(getZ) ds->AddField(new eavlField(1, z, eavlField::ASSOC_POINTS)); if(getPhi) ds->AddField(new eavlField(1, phi, eavlField::ASSOC_POINTS)); if(getRho) ds->AddField(new eavlField(1, rho, eavlField::ASSOC_POINTS)); if(getW1) ds->AddField(new eavlField(1, w1, eavlField::ASSOC_POINTS)); if(getW2) ds->AddField(new eavlField(1, w2, eavlField::ASSOC_POINTS)); if(getMu) ds->AddField(new eavlField(1, mu, eavlField::ASSOC_POINTS)); if(getW0) ds->AddField(new eavlField(1, w0, eavlField::ASSOC_POINTS)); if(getF0) ds->AddField(new eavlField(1, f0, eavlField::ASSOC_POINTS)); eavlCellSet *cellSet = new eavlCellSetAllPoints(name + "_cells", totalIParticles); ds->AddCellSet(cellSet); //-- END set axis values //----Set the ids of all axis values idx = 0; long long *idBuff; eavlIntArray *axisIds = new eavlIntArray("id", 1, totalIParticles); for(it = igid.begin(); it != igid.end(); it++) { ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 1); nt = 1; for (int i = 0; i < it->second->ndim; i++) nt *= c[i]; idBuff = new long long[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, idBuff); adios_perform_reads(fp, 1); adios_selection_delete(sel); for(int i = 0; i < nt; i++) { axisIds->SetValue(idx, (int)idBuff[i]); idx++; } delete [] idBuff; } ds->AddField(new eavlField(1, axisIds, eavlField::ASSOC_POINTS)); //-- END set ids } else if(name == "eMesh" && ephaseAvail) { ds->SetNumPoints(totalEParticles); eavlCoordinatesCartesian *coords = new eavlCoordinatesCartesian(NULL, eavlCoordinatesCartesian::X, eavlCoordinatesCartesian::Y, eavlCoordinatesCartesian::Z); ds->AddCoordinateSystem(coords); coords->SetAxis(0, new eavlCoordinateAxisField("xcoords", 0)); coords->SetAxis(1, new eavlCoordinateAxisField("ycoords", 0)); coords->SetAxis(2, new eavlCoordinateAxisField("zcoords", 0)); eavlArray *axisValues[3] = { new eavlFloatArray("xcoords", 1), new eavlFloatArray("ycoords", 1), new eavlFloatArray("zcoords", 1) }; axisValues[0]->SetNumberOfTuples(totalEParticles); axisValues[1]->SetNumberOfTuples(totalEParticles); axisValues[2]->SetNumberOfTuples(totalEParticles); //Set all of the axis values to the x, y, z coordinates of the //ephase particles; set computational node origin eavlIntArray *originNode; if(getOriginNode && readingRestartFile) originNode = new eavlIntArray("originNode", 1, totalIParticles); eavlFloatArray *r; if(getR) r = new eavlFloatArray("R", 1, totalIParticles); eavlFloatArray *z; if(getZ) z = new eavlFloatArray("Z", 1, totalIParticles); eavlFloatArray *phi; if(getPhi) phi = new eavlFloatArray("phi", 1, totalIParticles); eavlFloatArray *rho; if(getRho) rho = new eavlFloatArray("rho", 1, totalIParticles); eavlFloatArray *w1; if(getW1) w1 = new eavlFloatArray("w1", 1, totalIParticles); eavlFloatArray *w2; if(getW2) w2 = new eavlFloatArray("w2", 1, totalIParticles); eavlFloatArray *mu; if(getMu) mu = new eavlFloatArray("mu", 1, totalIParticles); eavlFloatArray *w0; if(getW0) w0 = new eavlFloatArray("w0", 1, totalIParticles); eavlFloatArray *f0; if(getF0) f0 = new eavlFloatArray("f0", 1, totalIParticles); uint64_t s[3], c[3]; int nt = 1, idx = 0; double *buff; map<string, ADIOS_VARINFO*>::const_iterator it; for(it = ephase.begin(); it != ephase.end(); it++) { ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 0); nt = 1; for(int i = 0; i < it->second->ndim; i++) nt *= c[i]; buff = new double[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, buff); adios_perform_reads(fp, 1); adios_selection_delete(sel); string nodeNum; if(getOriginNode && readingRestartFile) nodeNum = it->first.substr(it->first.find("_",1,1)+1, 5); for(int i = 0; i < nt; i+=9) { if(getR) r->SetValue(idx, buff[i]); if(getZ) z->SetValue(idx, buff[i+1]); if(getPhi) phi->SetValue(idx, buff[i+2]); if(getRho) rho->SetValue(idx, buff[i+3]); if(getW1) w1->SetValue(idx, buff[i+4]); if(getW2) w2->SetValue(idx, buff[i+5]); if(getMu) mu->SetValue(idx, buff[i+6]); if(getW0) w0->SetValue(idx, buff[i+7]); if(getF0) f0->SetValue(idx, buff[i+8]); axisValues[0]->SetComponentFromDouble(idx, 0, r->GetValue(idx)*cos(phi->GetValue(idx))); axisValues[1]->SetComponentFromDouble(idx, 0, r->GetValue(idx)*sin(phi->GetValue(idx))); axisValues[2]->SetComponentFromDouble(idx, 0, z->GetValue(idx)); if(getOriginNode && readingRestartFile) originNode->SetValue(idx, atoi(nodeNum.c_str())); idx++; } delete [] buff; } ds->AddField(new eavlField(1, axisValues[0], eavlField::ASSOC_POINTS)); ds->AddField(new eavlField(1, axisValues[1], eavlField::ASSOC_POINTS)); ds->AddField(new eavlField(1, axisValues[2], eavlField::ASSOC_POINTS)); if(getOriginNode && readingRestartFile) ds->AddField(new eavlField(1, originNode, eavlField::ASSOC_POINTS)); if(getR) ds->AddField(new eavlField(1, r, eavlField::ASSOC_POINTS)); if(getZ) ds->AddField(new eavlField(1, z, eavlField::ASSOC_POINTS)); if(getPhi) ds->AddField(new eavlField(1, phi, eavlField::ASSOC_POINTS)); if(getRho) ds->AddField(new eavlField(1, rho, eavlField::ASSOC_POINTS)); if(getW1) ds->AddField(new eavlField(1, w1, eavlField::ASSOC_POINTS)); if(getW2) ds->AddField(new eavlField(1, w2, eavlField::ASSOC_POINTS)); if(getMu) ds->AddField(new eavlField(1, mu, eavlField::ASSOC_POINTS)); if(getW0) ds->AddField(new eavlField(1, w0, eavlField::ASSOC_POINTS)); if(getF0) ds->AddField(new eavlField(1, f0, eavlField::ASSOC_POINTS)); eavlCellSet *cellSet = new eavlCellSetAllPoints(name + "_cells", totalEParticles); ds->AddCellSet(cellSet); //-- END set axis values //----Set the ids of all axis values idx = 0; long long *idBuff; eavlIntArray *axisIds = new eavlIntArray("id", 1, totalEParticles); for(it = egid.begin(); it != egid.end(); it++) { ADIOS_SELECTION *sel; if(readingRestartFile) sel = MakeSelection(it->second, s, c); else sel = MakeLimitedSelection(it->second, s, c, 0); nt = 1; for (int i = 0; i < it->second->ndim; i++) nt *= c[i]; idBuff = new long long[nt]; adios_schedule_read_byid(fp, sel, it->second->varid, 0, 1, idBuff); adios_perform_reads(fp, 1); adios_selection_delete(sel); for(int i = 0; i < nt; i++) { axisIds->SetValue(idx, (int)idBuff[i]); idx++; } delete [] idBuff; } ds->AddField(new eavlField(1, axisIds, eavlField::ASSOC_POINTS)); } return ds; }
int main (int argc, char ** argv) { int i, j, datasize; MPI_Comm comm = MPI_COMM_WORLD; enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP; ADIOS_SELECTION * sel1; double * data = NULL; uint64_t start[2], count[2]; MPI_Init (&argc, &argv); #ifdef WITH_NCSU_TIMER timer_init(); #endif adios_read_init_method (method, comm, NULL); ADIOS_FILE * f = adios_read_open_file ("adios_global.bp", method, comm); ADIOS_VARINFO * varinfo = adios_inq_var (f, "temperature"); if (varinfo) { int nranks; assert(varinfo->ndim == 2); nranks = varinfo->dims[0]; assert(nranks % 4 == 0); assert(varinfo->dims[1] == 10); datasize = (nranks / 2) * varinfo->dims[1] * sizeof(double); data = malloc (datasize); start[0] = nranks / 4; start[1] = 2; count[0] = nranks / 2; count[1] = 6; sel1 = adios_selection_boundingbox (varinfo->ndim, start, count); adios_schedule_read (f, sel1, "temperature", 0, 1, data); adios_perform_reads (f, 1); printf("Subvolume at (%" PRIu64 ",%" PRIu64 ") of size (%" PRIu64 ",%" PRIu64 "):\n", start[0], start[1], count[0], count[1]); for (i = 0; i < count[0]; i++) { printf("[ "); for (j = 0; j < count[1]; j++) { printf("%.0lf ", data[i * count[1] + j]); } printf("]\n"); } adios_selection_delete (sel1); } adios_free_varinfo (varinfo); adios_read_close (f); adios_read_finalize_method (ADIOS_READ_METHOD_BP); #ifdef WITH_NCSU_TIMER printf("[TIMERS] "); timer_result_t *results = timer_get_results_sorted(); for (i = 0; i < timer_get_num_timers(); i++) { printf("%s: %0.4lf ", results[i].name, results[i].time); } printf("\n"); free(results); #endif #ifdef WITH_NCSU_TIMER timer_finalize(); #endif MPI_Finalize (); return 0; }
int print_scalar (ADIOS_FILE *f, char * name) { ADIOS_VARINFO * v; int i,j,k; v = adios_inq_var (f, name); adios_inq_var_blockinfo (f, v); printf ("Scalar '%s':\n", name); printf ("nsteps = %d\n", v->nsteps); printf ("nblocks per step = %d\n", v->nblocks[0]); int err; /* Read one writeblock across all timesteps */ int *data = (int*) calloc (v->nsteps, sizeof(int)); ADIOS_SELECTION *s; printf ("Read same instance across all timesteps:\n"); for (i=0; i < v->nblocks[0]; i++) { s = adios_selection_writeblock(i); err = adios_schedule_read_byid(f, s, v->varid, 0, v->nsteps, data); if (!err) { err = adios_perform_reads(f, 1); if (!err) { err = 0; printf (" block %d = [", i); for (j=0; j < v->nsteps; j++) { printf ("%d", data[j]); if (data[j] != block_offset [j*nblocks_per_step*size + i]) { err = 1; } if (j < v->nsteps-1) printf(","); } printf("]"); if (err) { nerrors++; printf ("\tERROR expected = ["); for (j=0; j < v->nsteps; j++) { printf ("%llu", block_offset [j*nblocks_per_step*size + i]); if (j < v->nsteps-1) printf(","); } printf("]"); } printf("\n"); } else { printf ("ERROR at reading scalar '%s': %s\n", name, adios_errmsg()); } } else { printf ("ERROR at scheduling read for scalar '%s': %s\n", name, adios_errmsg()); } adios_selection_delete(s); } /* Now read piecewise, one writeblock at a time */ printf ("Read each instance individually:\n"); for (j=0; j < v->nsteps; j++) { printf (" step %d: \n", j); for (i=0; i < v->nblocks[j]; i++) { s = adios_selection_writeblock(i); err = adios_schedule_read_byid(f, s, v->varid, j, 1, data); if (!err) { err = adios_perform_reads(f, 1); if (!err) { printf (" block %d = %d", i, data[0]); if (data[0] != block_offset [j*nblocks_per_step*size + i]) { printf ("\tERROR expected = %llu", block_offset [j*nblocks_per_step*size + i]); nerrors++; } printf ("\n"); } else { printf ("ERROR at reading scalar '%s': %s\n", name, adios_errmsg()); } } else { printf ("ERROR at scheduling read for scalar '%s': %s\n", name, adios_errmsg()); } adios_selection_delete(s); } } /* Now get them piecewise, but not with reading but through statistics */ printf ("Get each instance individually from available statistics:\n"); adios_inq_var_stat (f, v, 0, 1); if (v->statistics && v->statistics->blocks) { ADIOS_VARSTAT *stat = v->statistics; int blockid = 0; for (j=0; j < v->nsteps; j++) { printf (" step %d: \n", j); for (i=0; i < v->nblocks[j]; i++) { printf (" block %d = %d", i, *(int*)stat->blocks->mins[blockid]); if (*(int*)stat->blocks->mins[blockid] != block_offset [j*nblocks_per_step*size + i]) { printf ("\tERROR expected = %llu", block_offset [j*nblocks_per_step*size + i]); nerrors++; } printf ("\n"); blockid++; } } } adios_free_varinfo (v); free(data); }
int main (int argc, char ** argv) { char filename [256] = "stream.bp"; int rank, size; int NX, NY; int len, off; double *t = NULL; MPI_Comm comm = MPI_COMM_WORLD; int64_t adios_handle; uint64_t adios_groupsize, adios_totalsize; uint64_t start[2], count[2]; ADIOS_SELECTION *sel; int steps = 0; MPI_Init (&argc, &argv); MPI_Comm_rank (comm, &rank); MPI_Comm_size (comm, &size); // ADIOS read init adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "verbose=3"); ADIOS_FILE* fp = adios_read_open_file ("kstar.bp", ADIOS_READ_METHOD_BP, comm); assert(fp != NULL); ADIOS_VARINFO* nx_info = adios_inq_var( fp, "N"); ADIOS_VARINFO* ny_info = adios_inq_var( fp, "L"); NX = *((int *)nx_info->value); NY= *((int*)ny_info->value); len = NX / size; off = len * rank; if (rank == size-1) len = len + NX % size; printf("\trank=%d: NX,NY,len,off = %d\t%d\t%d\t%d\n", rank, NX, NY, len, off); assert(len > 0); t = (double *) malloc(sizeof(double) * len * NY); memset(t, '\0', sizeof(double) * len * NY); assert(t != NULL); start[0] = off; start[1] = 0; count[0] = len; count[1] = NY; sel = adios_selection_boundingbox (2, start, count); // ADIOS write init adios_init ("adios.xml", comm); remove (filename); //int ii; //for(ii = 0; ii<10; ii++){ // for (i = 0; i < len * NY; i++) // t[i] = ii*1000 + rank; while(adios_errno != err_end_of_stream && adios_errno != err_step_notready) { steps++; // Reading adios_schedule_read (fp, sel, "var", 0, 1, t); adios_perform_reads (fp, 1); // Debugging //for (i = 0; i < len*NY; i++) t[i] = off * NY + i; printf("step=%d\trank=%d\t[%d,%d]\n", steps, rank, len, NY); // Writing adios_open (&adios_handle, "writer", filename, "a", comm); adios_groupsize = 4*4 + 8*len*NY; adios_group_size (adios_handle, adios_groupsize, &adios_totalsize); adios_write (adios_handle, "NX", &NX); adios_write (adios_handle, "NY", &NY); adios_write (adios_handle, "len", &len); adios_write (adios_handle, "off", &off); adios_write (adios_handle, "var_2d_array", t); adios_close (adios_handle); // Advance MPI_Barrier (comm); adios_advance_step(fp, 0, TIMEOUT_SEC); } free(t); MPI_Barrier (comm); adios_read_close(fp); if (rank==0) printf ("We have processed %d steps\n", steps); MPI_Barrier (comm); adios_read_finalize_method(ADIOS_READ_METHOD_BP); adios_finalize (rank); MPI_Finalize (); return 0; }
int main (int argc, char ** argv) { int rank, size; int NX, NY; int len, off; double *t = NULL; MPI_Comm comm = MPI_COMM_WORLD; uint64_t start[2], count[2]; ADIOS_SELECTION *sel; int steps = 0; #ifdef _USE_GNUPLOT int i, j; double *tmp; FILE *pipe; #else // Variables for ADIOS write int64_t adios_handle; uint64_t adios_groupsize, adios_totalsize; char outfn[256]; #endif MPI_Init (&argc, &argv); MPI_Comm_rank (comm, &rank); MPI_Comm_size (comm, &size); adios_read_init_method(ADIOS_READ_METHOD_FLEXPATH, comm, ""); ADIOS_FILE* fp = adios_read_open("stream.bp", ADIOS_READ_METHOD_FLEXPATH, comm, ADIOS_LOCKMODE_NONE, 0.0); assert(fp != NULL); ADIOS_VARINFO* nx_info = adios_inq_var( fp, "NX"); ADIOS_VARINFO* ny_info = adios_inq_var( fp, "NY"); NX = *((int *)nx_info->value); NY= *((int*)ny_info->value); len = NX / size; off = len * rank; if (rank == size-1) len = len + NX % size; printf("\trank=%d: NX,NY,len,off = %d\t%d\t%d\t%d\n", rank, NX, NY, len, off); assert(len > 0); t = (double *) malloc(sizeof(double) * len * NY); memset(t, '\0', sizeof(double) * len * NY); assert(t != NULL); start[0] = off; start[1] = 0; count[0] = len; count[1] = NY; // Not working ... //sel = adios_selection_boundingbox (2, start, count); sel = malloc(sizeof(ADIOS_SELECTION)); sel->type=ADIOS_SELECTION_WRITEBLOCK; sel->u.block.index = rank; #ifdef _USE_GNUPLOT if ((NX % size) > 0) { fprintf(stderr, "Equal distribution is required\n"); return -1; } if (rank == 0) { pipe = popen("gnuplot", "w"); fprintf(pipe, "set view map\n"); fprintf(pipe, "set xrange [0:%d]\n", NX-1); tmp = (double *) malloc(sizeof(double) * NX * NY); assert(tmp != NULL); } #else // ADIOS write init adios_init ("adios.xml", comm); #endif //while(adios_errno != err_end_of_stream && adios_errno != err_step_notready) while(1) { steps++; // Reading adios_schedule_read (fp, sel, "var_2d_array", 0, 1, t); adios_perform_reads (fp, 1); printf("step=%d\trank=%d\tfp->current_step=%d\t[%d,%d]\n", steps, rank, fp->current_step, len, NY); /* // Debugging for (i=0; i<len; i++) { printf("%d: rank=%d: t[%d,0:4] = ", steps, rank, off+i); for (j=0; j<5; j++) { printf(", %g", t[i*NY + j]); } printf(" ...\n"); } */ // Do something #ifdef _USE_GNUPLOT // Option 1: plotting MPI_Gather(t, len * NY, MPI_DOUBLE, tmp, len * NY, MPI_DOUBLE, 0, comm); if (rank == 0) { fprintf(pipe, "set title 'Soft X-Rray Signal (shot #%d)'\n", steps); fprintf(pipe, "set xlabel 'Channel#'\n"); fprintf(pipe, "set ylabel 'Timesteps'\n"); fprintf(pipe, "set cblabel 'Voltage (eV)'\n"); # ifndef _GNUPLOT_INTERACTIVE fprintf(pipe, "set terminal png\n"); fprintf(pipe, "set output 'fig%03d.png'\n", steps); # endif fprintf(pipe, "splot '-' matrix with image\n"); //fprintf(pipe, "plot '-' with lines, '-' with lines, '-' with lines\n"); double *sum = calloc(NX, sizeof(double)); for (j = 0; j < NY; j++) { for (i = 0; i < NX; i++) { sum[i] += tmp[i * NY + j]; } } for (j = 0; j < NY; j++) { for (i = 0; i < NX; i++) { fprintf (pipe, "%g ", (-tmp[i * NY + j] + sum[i]/NY)/3276.8); } fprintf(pipe, "\n"); } fprintf(pipe, "e\n"); fprintf(pipe, "e\n"); fflush (pipe); # ifdef _GNUPLOT_INTERACTIVE printf ("Press [Enter] to continue . . ."); fflush (stdout); getchar (); # endif free(sum); } #else // Option 2: BP writing snprintf (outfn, sizeof(outfn), "reader_%3.3d.bp", steps); adios_open (&adios_handle, "reader", outfn, "w", comm); adios_groupsize = 4 * sizeof(int) + sizeof(double) * len * NY; adios_group_size (adios_handle, adios_groupsize, &adios_totalsize); adios_write (adios_handle, "NX", &NX); adios_write (adios_handle, "NY", &NY); adios_write (adios_handle, "len", &len); adios_write (adios_handle, "off", &off); adios_write (adios_handle, "var", t); adios_close (adios_handle); #endif // Advance MPI_Barrier (comm); adios_advance_step(fp, 0, TIMEOUT_SEC); if (adios_errno == err_end_of_stream) { printf("rank %d, Stream terminated. Quit\n", rank); break; // quit while loop } else if (adios_errno == err_step_notready) { printf ("rank %d: No new step arrived within the timeout. Quit.\n", rank); break; // quit while loop } else if (adios_errno != err_no_error) { printf("ADIOS returned code=%d, msg:%s\n", adios_errno, adios_get_last_errmsg()); break; // quit while loop } } // free(t); adios_read_close(fp); //printf("rank %d, Successfully closed stream\n", rank); adios_read_finalize_method(ADIOS_READ_METHOD_FLEXPATH); //printf("rank %d, Successfully finalized read method\n", rank); #ifndef _USE_GNUPLOT adios_finalize (rank); //printf("rank %d, Successfully finalized adios\n", rank); #else if (rank==0) { free(tmp); pclose(pipe); } #endif MPI_Finalize (); return 0; }
int main(int argc, char ** argv) { int rank, size, varid, numvars; int bins, step, mod; char *filename, *in_stream, *data_var_name; MPI_Comm comm = MPI_COMM_WORLD; enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_FLEXPATH; //enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP; ADIOS_SELECTION * global_range_select; double *data; uint64_t tstep, global_size, mysize, mystart, sz; MPI_Init (&argc, &argv); MPI_Comm_rank(comm, &rank); MPI_Comm_size(comm, &size); /* Command line parsing */ if (rank == 0 && argc < 4) { fprintf(stderr, "\nHistogram usage: <exec> input-stream-name num-bins" " arr1 [arr2] [arr3] [...]\n" "\t where arr1, arr2, arr3 ... are the names of the arrays to be analyzed.\n"); MPI_Abort(comm, -1); } MPI_Barrier(comm); in_stream = argv[1]; //Parse cmd line bins = atoi(argv[2]); numvars = argc - 3; const char *vars[numvars]; for (varid=0; varid < numvars; varid++) { vars[varid] = argv[varid + 3]; } /* Adios open and init */ adios_read_init_method (method, comm, "verbose=1"); ADIOS_FILE * f = adios_read_open (in_stream, method, comm, ADIOS_LOCKMODE_ALL, -1); step = 0; //not used now while (adios_errno != err_end_of_stream){ //resource monitor /*loop over different arrays inside stream*/ for (varid = 0; varid < numvars; varid++){ #ifdef ENABLE_MONITOR //double t1 = wfgettimeofday(); lib_mem_init(); ind_timer_start(0, "whole timestep"); #endif //Init variables.... global_size = 0; tstep = 0; mod = 0; mysize = 0; mystart = 0; adios_schedule_read (f, NULL, "ntimestep", 0, 1, &tstep); adios_perform_reads (f, 1); ADIOS_VARINFO * glob_info = adios_inq_var (f, vars[varid]); global_size = glob_info->dims[0]; //printf("[DEBUG] global_size = %" PRIu64 " ntimestep = %" PRIu64 "\n", // global_size, tstep); //printf("[HIST%d] received data for timestep %" PRIu64 " with ndim: %d and globalsize:%" // PRIu64 " \n", rank, tstep, ndim, global_size); //sleep(800); //debug //Array slice computation mod = global_size % size;//size = MPI size if (mod == 0){ mysize = global_size / size; mystart = mysize * rank; } else { mysize = global_size / (size); if (rank < mod){ mysize++; mystart = mysize * rank; } else { mystart = (mod * (mysize + 1)) + ((rank - mod) * mysize); } } #ifdef ENABLE_MONITOR nohandler_mem(rank); #endif //printf("[HISTO%d]: mysize = %" PRIu64" mystart = %" PRIu64 "\n", rank, mysize, mystart); //debug //if (step == 0) sleep(800); uint64_t starts[] = {mystart}; uint64_t counts[] = {mysize}; global_range_select = adios_selection_boundingbox (1, starts, counts); //Allocate space for arrays uint64_t msize = ((uint64_t) sizeof(double) * mysize); //printf("[DEBUG] mysize = %" PRIu64 " msize= %" PRIu64" \n", mysize, msize); //data = (double *) malloc(sizeof(double) * mysize); data = new double[mysize]; if (data == NULL){ //printf("DEBUG: malloc returned NULL, size was %d\n", msize); } else { if (rank == 0) printf("[HIST0] DEBUG: malloc successful, size was %d\n", mysize); } //memset (data, 0, sizeof(double) * mysize); //Read data adios_schedule_read (f, global_range_select, vars[varid], 0, 1, data); adios_perform_reads (f, 1); #ifdef ENABLE_MONITOR nohandler_mem(rank); #endif //printf("PERFORM_READS success of variable: %s\n", vars[varid]); /* Data check if (step == 4) { FILE *fp; char *log; asprintf(&log, "histo-input%d-%d.log", step, rank); fp = fopen(log, "w"); fprintf(fp, "timestep: %" PRIu64 " mysize: %"PRIu64 "\n", tstep, mysize); for (i=0; i<(int)mysize; i++){ fprintf(fp, "%lf\n", data[i]); } fclose(fp); sleep(800); } */ // find max and min sz = 0; sz = mysize; double min = data[0]; double max = data[0]; for (uint64_t i = 1; i < sz; ++i) { if (data[i] > max) max = data[i]; if (data[i] < min) min = data[i]; }//local max, min found. //local data should just use shared mem. double g_min, g_max; // Find the global max/min MPI_Allreduce (&min, &g_min, 1, MPI_DOUBLE, MPI_MIN, comm); MPI_Allreduce (&max, &g_max, 1, MPI_DOUBLE, MPI_MAX, comm); //printf("[HIST%d] glob-min: %f, glob-max: %f\n", rank, g_min, g_max); nohandler_mem(rank); double width = (g_max - g_min)/bins; std::vector<uint64_t> hist(bins); for (uint64_t i = 0; i < sz; ++i)//fill local bins { //printf("[HISTO%d] local filling adding index %" PRIu64 "\n", rank, i); int idx = int((data[i] - g_min)/width);//discover index if (idx == bins) // we hit the max --idx; //printf("[%d]: %f -> %d\n", rank, data[i], idx); ++hist[idx]; } delete[] data; // Global reduce histograms std::vector<uint64_t> g_hist(bins); MPI_Reduce(&hist[0], &g_hist[0], bins, MPI_UINT64_T, MPI_SUM, 0, comm); //debug //printf("[Completed histogram routine]\n"); if (rank == 0) //print histogram to file { FILE *fp; const char *log = "histograms.log"; fp = fopen(log, "a"); fprintf(fp, "Histogram for %s, timestep %" PRIu64"\n", vars[varid], tstep); for (int i = 0; i < bins; ++i) fprintf(fp, " %f-%f: %" PRIu64 "\n", g_min + i*width, g_min + (i+1)*width, g_hist[i]); fclose (fp); } #ifdef ENABLE_MONITOR nohandler_mem(rank); #endif if (rank == 0) //print histogram to terminal { printf("Histogram for %s, timestep %" PRIu64"\n", vars[varid], tstep); for (int i = 0; i < bins; ++i) printf(" %f-%f: %" PRIu64 "\n", g_min + i*width, g_min + (i+1)*width, g_hist[i]); } //resource monitor #ifdef ENABLE_MONITOR //double t2 = wfgettimeofday(); ind_timer_end(0); char monitor_title[40]; sprintf(monitor_title, "histogram-%s", vars[varid]); monitor_out (rank, size, tstep, msize, t1, t2, comm, monitor_title); #endif } //end of read + analysis for 3 variables adios_release_step(f); //delete[] data; if (rank == 0) printf("[HIST%d] read and wrote data for timestep %" PRIu64 "\n", rank, tstep); step++; adios_advance_step(f, 0, -1); /* if (step == 6){ double t1 = wfgettimeofday(); FILE *tfp; tfp = fopen("time.log", "a"); fprintf(tfp, "rank %d histogram end time: %f\n", rank, t1); fclose(tfp); } */ }//end of adios stream while loop if (rank == 0) printf("[HIST%d] out of read loop\n", rank); /* performance measurement */ /* if (rank == 0){ double t3 = wfgettimeofday(); FILE *tfp; tfp = fopen("time.log", "a"); fprintf(tfp, "master histogram end time: %f\n", t3); fclose(tfp); } */ #ifdef ENABLE_MONITOR outer_timer_end(rank, "histogram"); #endif adios_read_close(f); adios_read_finalize_method(method); MPI_Finalize(); return 0; }
eavlDataSet *ReadPsiMesh(const string &filename) { MPI_Comm comm_dummy = 0; ADIOS_FILE *fp = adios_read_open_file(filename.c_str(), ADIOS_READ_METHOD_BP, comm_dummy); int nNodes = 0, nElems = 0, ptID = -1, elemID = -1; ADIOS_VARINFO *points = NULL, *cells = NULL, *psi; for (int i = 0; i < fp->nvars; i++) { ADIOS_VARINFO *avi = adios_inq_var_byid(fp, i); string varNm(&fp->var_namelist[i][1]); if (varNm == "n_t") { nElems = (int)(*(int *)avi->value); adios_free_varinfo(avi); } else if (varNm == "n_n") { nNodes = (int)(*(int *)avi->value); adios_free_varinfo(avi); } else if (varNm == "coordinates/values") points = avi; else if (varNm == "cell_set[0]/node_connect_list") cells = avi; else if (varNm == "psi") psi = avi; else adios_free_varinfo(avi); } cout<<"nNodes= "<<nNodes<<" nTri= "<<nElems<<endl; eavlDataSet *out = new eavlDataSet; out->SetNumPoints(nNodes); eavlCoordinatesCartesian *coords = new eavlCoordinatesCartesian(NULL, eavlCoordinatesCartesian::X, eavlCoordinatesCartesian::Y); out->AddCoordinateSystem(coords); coords->SetAxis(0, new eavlCoordinateAxisField("xcoords", 0)); coords->SetAxis(1, new eavlCoordinateAxisField("ycoords", 0)); eavlArray *axisValues[2] = {new eavlFloatArray("xcoords", 1), new eavlFloatArray("ycoords", 1)}; axisValues[0]->SetNumberOfTuples(nNodes); axisValues[1]->SetNumberOfTuples(nNodes); //read points. double *buff = new double[2*nNodes]; uint64_t s[3], c[3]; ADIOS_SELECTION *sel = MakeSelection(points, s, c); adios_schedule_read_byid(fp, sel, points->varid, 0, 1, buff); int retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); adios_free_varinfo(points); for (int i = 0; i < nNodes; i++) { axisValues[0]->SetComponentFromDouble(i, 0, buff[i*2 +0]); axisValues[1]->SetComponentFromDouble(i, 0, buff[i*2 +1]); } out->AddField(new eavlField(1, axisValues[0], eavlField::ASSOC_POINTS)); out->AddField(new eavlField(1, axisValues[1], eavlField::ASSOC_POINTS)); delete [] buff; eavlCellSetExplicit *cellSet = new eavlCellSetExplicit("2D_cells", 2); eavlExplicitConnectivity conn; //read cells int *nodeList = new int[nElems*3]; sel = MakeSelection(cells, s, c); adios_schedule_read_byid(fp, sel, cells->varid, 0, 1, nodeList); retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); int nodes[3]; for (int i = 0; i < nElems; i++) { nodes[0] = nodeList[i*3+0]; nodes[1] = nodeList[i*3+1]; nodes[2] = nodeList[i*3+2]; conn.AddElement(EAVL_TRI, 3, nodes); } delete [] nodeList; cellSet->SetCellNodeConnectivity(conn); out->AddCellSet(cellSet); //read psi. buff = new double[nNodes]; sel = MakeSelection(psi, s, c); adios_schedule_read_byid(fp, sel, psi->varid, 0, 1, buff); retval = adios_perform_reads(fp, 1); adios_selection_delete(sel); adios_free_varinfo(psi); eavlArray *psiValues = new eavlFloatArray("psi", 1); psiValues->SetNumberOfTuples(nNodes); for (int i = 0; i < nNodes; i++) psiValues->SetComponentFromDouble(i, 0, buff[i]); out->AddField(new eavlField(1, psiValues, eavlField::ASSOC_POINTS)); delete [] buff; return out; }
int main (int argc, char ** argv) { int rank, size, i, j; MPI_Comm comm = MPI_COMM_WORLD; enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP; ADIOS_SELECTION * sel; void * data = NULL; uint64_t start[2], count[2]; MPI_Init (&argc, &argv); MPI_Comm_rank (comm, &rank); MPI_Comm_size (comm, &size); adios_read_init_method (method, comm, "verbose=4"); adios_logger_open ("log_read_C", rank); ADIOS_FILE * f = adios_read_open ("global_array_C.bp", method, comm, ADIOS_LOCKMODE_NONE, 0); if (f == NULL) { log_error ("%s\n", adios_errmsg()); return -1; } ADIOS_VARINFO * v = adios_inq_var (f, "temperature"); /* Using less readers to read the global array back, i.e., non-uniform */ uint64_t slice_size = v->dims[0]/size; start[0] = slice_size * rank; if (rank == size-1) /* last rank may read more lines */ slice_size = slice_size + v->dims[0]%size; count[0] = slice_size; start[1] = 0; count[1] = v->dims[1]; data = malloc (slice_size * v->dims[1] * sizeof (double)); if (data == NULL) { log_error (stderr, "malloc failed.\n"); return -1; } /* Read a subset of the temperature array */ sel = adios_selection_boundingbox (v->ndim, start, count); adios_schedule_read (f, sel, "temperature", 0, 1, data); adios_perform_reads (f, 1); for (i = 0; i < slice_size; i++) { log_test ("rank %d: [%lld,%d:%lld]", rank, start[0]+i, 0, slice_size); for (j = 0; j < v->dims[1]; j++) log_test (" %6.6g", * ((double *)data + i * v->dims[1] + j)); log_test ("\n"); } free (data); adios_read_close (f); MPI_Barrier (comm); adios_read_finalize_method (method); adios_logger_close(); MPI_Finalize (); return 0; }