int main(int argc, char **argv) { const char *file = "foo"; const size_t sz = 16384; char *malloc_buf; void *mmap_buf; int fd; srand(time(NULL)); generate_random_file(file, sz); fd = open(file, O_RDONLY, 0); if (fd < 0) err(1, "open %s", file); malloc_buf = read_file(fd, sz); mmap_buf = mmap_file(fd, sz); close(fd); unlink(file); if (memcmp(malloc_buf, mmap_buf, sz) != 0) return 1; return 0; }
static int test(const char *file, int writep) { const size_t sz = 4 * getpagesize(); char *buf; char *malloc_buf; int fd; int ret; buf = generate_random_file(file, 4, getpagesize(), writep); fd = open(file, O_RDONLY, 0); if (fd < 0) err(1, "open %s", file); malloc_buf = read_file(fd, sz); close(fd); ret = memcmp(buf, malloc_buf, sz); free(buf); return ret; }
void read_and_create(int argc, char **argv) { int ri,i,nread; int tmp1,idealelementsperproc; void **amatptrs,**xvecptrs; na = atoi(argv[1]); nz = atoi(argv[2]); if(strncmp("random",argv[3],6)){ if(me==0){ fd = fopen(argv[3], "r"); if(fd==NULL)ARMCI_Error("unable to open given file",0); } } else{ if(na==0 || nz==0){ printf("\nERROR:exiting-no input file given and na or nz is 0"); fflush(stdout); ARMCI_Finalize(); MP_FINALIZE(); return; } if(me==0){ generate_random_file(na,nz); fd = fopen("randominput.dat", "r"); } } if(me==0){ if(na==0) nread = fread(&na, sizeof(na), 1, fd); if(nz==0) nread = fread(&nz, sizeof(nz), 1, fd); printf("\nReading CG input\n"); printf("Number of rows: %d\n", na); printf("Number of non-zeros: %d\n", nz); } armci_msg_bcast(&nz,sizeof(int),0); armci_msg_bcast(&na,sizeof(int),0); MP_BARRIER(); amatptrs = (void **)malloc(sizeof(void *)*nproc); xvecptrs = (void **)malloc(sizeof(void *)*nproc); if(xvecptrs==NULL || amatptrs==NULL) ARMCI_Error("xvecptrs amatptrs malloc failed",sizeof(void *)*nproc); if(ARMCI_Malloc(amatptrs,((me==0)?(sizeof(double)*nz):0))) ARMCI_Error("amat malloc failed",sizeof(double)*nz); amat = (double *)amatptrs[0]; if(ARMCI_Malloc(amatptrs,((me==0)?(sizeof(int)*(nz+1)):0))) ARMCI_Error("icol malloc failed",sizeof(int)*(nz+1)); cidx = (int *)amatptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(int)*(na+1)):0)); /*+1 for end of last row*/ ridx = (int *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*(na+1)):0)); xvec = (double *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*(na+1)):0)); bvec = (double *)xvecptrs[0]; if(me==0){ for (i = 0; i < na + 1; i++) xvec[i] = 0.0; nread = fread(amat, sizeof(double), nz, fd); nread = fread(ridx, sizeof(int), (na+1), fd); ridx[na]=nz; nread = fread(cidx, sizeof(int), (nz+1), fd); nread = fread(bvec, sizeof(double), (na+1), fd); /* the c adjustment */ for (i = 0; i < na; i++) ridx[i] -= 1; for (i = 0; i < nz; i++) cidx[i] -= 1; } MP_BARRIER(); /*acg_matvecmul(amat,xvec,bvec,ridx,cidx);*/ if(0){ for(i=0;i<nz+1;i++) printf("\n%d:amat[%d]=%f icol[%d]=%d",me,i,amat[i],i,cidx[i]); for(i=0;i<na+1;i++) printf("\n%d:irow[%d]=%d bvec[%d]=%f",me,i,ridx[i],i,bvec[i]); } allfirstrow = (int *)malloc(sizeof(int)*nproc); alllastrow = (int *)malloc(sizeof(int)*nproc); columnmap = (int *)malloc(sizeof(int)*nproc); if(!allfirstrow || !alllastrow || !columnmap) ARMCI_Error("malloc failed allfirstrow ",0); MP_BARRIER(); /* * next decide who works on which rows, this will decide the * distribution of a,d,r,q,x,and ax */ /*create the mapping for all vectors, row matrix and column matrix*/ if(me==0){ idealelementsperproc = nz/nproc; tmp1=0; for(i=0;i<nproc;i++){ int elementsperproc=0; allfirstrow[i]=tmp1; for(ri=tmp1;ri<na;ri++,tmp1++){ elementsperproc+=(ridx[ri+1]-ridx[ri]); if(elementsperproc>=idealelementsperproc){ if((elementsperproc-idealelementsperproc) > idealelementsperproc-(elementsperproc-(ridx[ri+1]-ridx[ri]))){ alllastrow[i] = ri-1; if((ri-1)<0)ARMCI_Error("run on a smaller processor count",0); /*tmp1--;*/ } else{ alllastrow[i] = ri; if(ri<0)ARMCI_Error("run on a smaller processor count",0); tmp1++; } elementsperproc=0; break; } } } alllastrow[nproc-1]=na-1; for(i=0;i<nproc;i++)columnmap[i]=ridx[allfirstrow[i]]; } armci_msg_bcast(columnmap,nproc*sizeof(int),0); armci_msg_bcast(allfirstrow,nproc*sizeof(int),0); armci_msg_bcast(alllastrow,nproc*sizeof(int),0); myfirstrow = allfirstrow[me]; mylastrow = alllastrow[me]; if(me==0)for(i=0;i<nproc;i++){ printf("\nDISTRIBUTION:first row of process\t%d is %d last row of process\t%d is %d",i,allfirstrow[i],i,alllastrow[i]); } /* for(i=myfirstrow;i<mylastrow;i++){ xvec[i]=0.0; } */ ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*na):0)); rvec = (double *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*na):0)); dvec = (double *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*na):0)); svec = (double *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*na):0)); dmvec = (double *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*na):0)); qvec = (double *)xvecptrs[0]; ARMCI_Malloc(xvecptrs,((me==0)?(sizeof(double)*na):0)); axvec = (double *)xvecptrs[0]; if(me==0)fclose(fd); /*dont forget to free mallocs*/ free(allfirstrow); free(alllastrow); free(columnmap); }
/* (Note: *LAST_SEED is an output parameter.) */ static svn_error_t * do_random_combine_test(const char **msg, svn_boolean_t msg_only, apr_pool_t *pool, apr_uint32_t *last_seed) { static char msg_buff[256]; apr_uint32_t seed, bytes_range, maxlen; int i, iterations, dump_files, print_windows; const char *random_bytes; /* Initialize parameters and print out the seed in case we dump core or something. */ init_params(&seed, &maxlen, &iterations, &dump_files, &print_windows, &random_bytes, &bytes_range, pool); sprintf(msg_buff, "random combine delta test, seed = %lu", (unsigned long) seed); *msg = msg_buff; if (msg_only) return SVN_NO_ERROR; else printf("SEED: %s\n", msg_buff); for (i = 0; i < iterations; i++) { /* Generate source and target for the delta and its application. */ apr_uint32_t subseed_base = svn_test_rand((*last_seed = seed, &seed)); apr_file_t *source = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *middle = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *target = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *source_copy = copy_tempfile(source, pool); apr_file_t *middle_copy = copy_tempfile(middle, pool); apr_file_t *target_regen = open_tempfile(NULL, pool); svn_txdelta_stream_t *txdelta_stream_A; svn_txdelta_stream_t *txdelta_stream_B; svn_txdelta_window_handler_t handler; svn_stream_t *stream; void *handler_baton; /* Set up a four-stage pipeline: create two deltas, combine them and convert the result to svndiff format, parse that back into delta format, and apply it to a copy of the source file to see if we get the same target back. */ apr_pool_t *delta_pool = svn_pool_create(pool); /* Make stage 4: apply the text delta. */ svn_txdelta_apply(svn_stream_from_aprfile(source_copy, delta_pool), svn_stream_from_aprfile(target_regen, delta_pool), NULL, NULL, delta_pool, &handler, &handler_baton); /* Make stage 3: reparse the text delta. */ stream = svn_txdelta_parse_svndiff(handler, handler_baton, TRUE, delta_pool); /* Make stage 2: encode the text delta in svndiff format. */ svn_txdelta_to_svndiff2(&handler, &handler_baton, stream, 1, delta_pool); /* Make stage 1: create the text deltas. */ svn_txdelta(&txdelta_stream_A, svn_stream_from_aprfile(source, delta_pool), svn_stream_from_aprfile(middle, delta_pool), delta_pool); svn_txdelta(&txdelta_stream_B, svn_stream_from_aprfile(middle_copy, delta_pool), svn_stream_from_aprfile(target, delta_pool), delta_pool); { svn_txdelta_window_t *window_A; svn_txdelta_window_t *window_B; svn_txdelta_window_t *composite; apr_pool_t *wpool = svn_pool_create(delta_pool); do { SVN_ERR(svn_txdelta_next_window(&window_A, txdelta_stream_A, wpool)); if (print_windows) delta_window_print(window_A, "A ", stdout); SVN_ERR(svn_txdelta_next_window(&window_B, txdelta_stream_B, wpool)); if (print_windows) delta_window_print(window_B, "B ", stdout); if (!window_B) break; assert(window_A != NULL || window_B->src_ops == 0); if (window_B->src_ops == 0) { composite = window_B; composite->sview_len = 0; } else composite = svn_txdelta_compose_windows(window_A, window_B, wpool); if (print_windows) delta_window_print(composite, "AB", stdout); /* The source view length should not be 0 if there are source copy ops in the window. */ if (composite && composite->sview_len == 0 && composite->src_ops > 0) return svn_error_create (SVN_ERR_FS_GENERAL, NULL, "combined delta window is inconsistent"); SVN_ERR(handler(composite, handler_baton)); svn_pool_clear(wpool); } while (composite != NULL); svn_pool_destroy(wpool); } svn_pool_destroy(delta_pool); SVN_ERR(compare_files(target, target_regen, dump_files)); apr_file_close(source); apr_file_close(middle); apr_file_close(target); apr_file_close(source_copy); apr_file_close(middle_copy); apr_file_close(target_regen); } return SVN_NO_ERROR; }
/* Implements svn_test_driver_t. */ static svn_error_t * random_test(const char **msg, svn_boolean_t msg_only, svn_test_opts_t *opts, apr_pool_t *pool) { static char msg_buff[256]; apr_uint32_t seed, bytes_range, maxlen; int i, iterations, dump_files, print_windows; const char *random_bytes; /* Initialize parameters and print out the seed in case we dump core or something. */ init_params(&seed, &maxlen, &iterations, &dump_files, &print_windows, &random_bytes, &bytes_range, pool); sprintf(msg_buff, "random delta test, seed = %lu", (unsigned long) seed); *msg = msg_buff; if (msg_only) return SVN_NO_ERROR; else printf("SEED: %s\n", msg_buff); for (i = 0; i < iterations; i++) { /* Generate source and target for the delta and its application. */ apr_uint32_t subseed_base = svn_test_rand(&seed); apr_file_t *source = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *target = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *source_copy = copy_tempfile(source, pool); apr_file_t *target_regen = open_tempfile(NULL, pool); svn_txdelta_stream_t *txdelta_stream; svn_txdelta_window_handler_t handler; svn_stream_t *stream; void *handler_baton; /* Set up a four-stage pipeline: create a delta, convert it to svndiff format, parse it back into delta format, and apply it to a copy of the source file to see if we get the same target back. */ apr_pool_t *delta_pool = svn_pool_create(pool); /* Make stage 4: apply the text delta. */ svn_txdelta_apply(svn_stream_from_aprfile(source_copy, delta_pool), svn_stream_from_aprfile(target_regen, delta_pool), NULL, NULL, delta_pool, &handler, &handler_baton); /* Make stage 3: reparse the text delta. */ stream = svn_txdelta_parse_svndiff(handler, handler_baton, TRUE, delta_pool); /* Make stage 2: encode the text delta in svndiff format. */ svn_txdelta_to_svndiff2(&handler, &handler_baton, stream, 1, delta_pool); /* Make stage 1: create the text delta. */ svn_txdelta(&txdelta_stream, svn_stream_from_aprfile(source, delta_pool), svn_stream_from_aprfile(target, delta_pool), delta_pool); SVN_ERR(svn_txdelta_send_txstream(txdelta_stream, handler, handler_baton, delta_pool)); svn_pool_destroy(delta_pool); SVN_ERR(compare_files(target, target_regen, dump_files)); apr_file_close(source); apr_file_close(target); apr_file_close(source_copy); apr_file_close(target_regen); } return SVN_NO_ERROR; }
/* Implements svn_test_driver_t. */ static svn_error_t * random_test(apr_pool_t *pool) { apr_uint32_t seed, maxlen; apr_size_t bytes_range; int i, iterations, dump_files, print_windows; const char *random_bytes; /* Initialize parameters and print out the seed in case we dump core or something. */ init_params(&seed, &maxlen, &iterations, &dump_files, &print_windows, &random_bytes, &bytes_range, pool); for (i = 0; i < iterations; i++) { /* Generate source and target for the delta and its application. */ apr_uint32_t subseed_base = svn_test_rand(&seed); apr_file_t *source = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *target = generate_random_file(maxlen, subseed_base, &seed, random_bytes, bytes_range, dump_files, pool); apr_file_t *source_copy = copy_tempfile(source, pool); apr_file_t *target_regen = open_tempfile(NULL, pool); svn_txdelta_stream_t *txdelta_stream; svn_txdelta_window_handler_t handler; svn_stream_t *stream; void *handler_baton; /* Set up a four-stage pipeline: create a delta, convert it to svndiff format, parse it back into delta format, and apply it to a copy of the source file to see if we get the same target back. */ apr_pool_t *delta_pool = svn_pool_create(pool); /* Make stage 4: apply the text delta. */ svn_txdelta_apply(svn_stream_from_aprfile(source_copy, delta_pool), svn_stream_from_aprfile(target_regen, delta_pool), NULL, NULL, delta_pool, &handler, &handler_baton); /* Make stage 3: reparse the text delta. */ stream = svn_txdelta_parse_svndiff(handler, handler_baton, TRUE, delta_pool); /* Make stage 2: encode the text delta in svndiff format using varying compression levels. */ svn_txdelta_to_svndiff3(&handler, &handler_baton, stream, 1, i % 10, delta_pool); /* Make stage 1: create the text delta. */ svn_txdelta2(&txdelta_stream, svn_stream_from_aprfile(source, delta_pool), svn_stream_from_aprfile(target, delta_pool), FALSE, delta_pool); SVN_ERR(svn_txdelta_send_txstream(txdelta_stream, handler, handler_baton, delta_pool)); svn_pool_destroy(delta_pool); SVN_ERR(compare_files(target, target_regen, dump_files)); apr_file_close(source); apr_file_close(target); apr_file_close(source_copy); apr_file_close(target_regen); } return SVN_NO_ERROR; }