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;
}
AdiosCheckpointInput::~AdiosCheckpointInput()
{
adios_read_close(adios_file_handle);
adios_read_finalize_method(method);
for (int i = 0; i < buffers.size(); i++)
free(buffers[i]);
}
void ADIOS1CommonRead::Close()
{
if (m_IsFileOpen)
{
adios_read_close(m_fh);
m_IsFileOpen = false;
}
}
/// Test if the file is present. This function accomplishes its task by
/// actually attempting to open it. It returns true if the open attempt
/// was successful, returns false otherwise.
bool ADIOS_File::exists(const std::string& fileName)
{
ADIOS_FILE* f = adios_read_open_file
(fileName.c_str(), ADIOS_READ_METHOD_BP, MPI_COMM_WORLD);
if (f != 0) {
adios_read_close(f);
return true;
}
return false;
}
eavlXGCImporter::~eavlXGCImporter()
{
if (fp)
adios_read_close(fp);
if (mesh_fp)
adios_read_close(mesh_fp);
fp = NULL;
mesh_fp = NULL;
map<string, ADIOS_VARINFO*>::const_iterator it;
for (it = variables.begin(); it != variables.end(); it++)
adios_free_varinfo(it->second);
variables.clear();
if (points)
adios_free_varinfo(points);
if (cells)
adios_free_varinfo(cells);
points = NULL;
cells = NULL;
}
int read_stepbystep ()
{
ADIOS_FILE * f;
float timeout_sec = 0.0;
int steps = 0;
int retval = 0;
MPI_Comm comm = MPI_COMM_SELF;
adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "verbose=3");
printf ("\n--------- Read as stream ------------\n");
f = adios_read_open (fname, ADIOS_READ_METHOD_BP,
comm, ADIOS_LOCKMODE_NONE, timeout_sec);
if (adios_errno == err_file_not_found)
{
printf ("Stream not found after waiting %f seconds: %s\n",
timeout_sec, adios_errmsg());
retval = adios_errno;
}
else if (adios_errno == err_end_of_stream)
{
printf ("Stream terminated before open. %s\n", adios_errmsg());
retval = adios_errno;
}
else if (f == NULL) {
printf ("Error at opening stream: %s\n", adios_errmsg());
retval = adios_errno;
}
else
{
/* 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
printf ("Step: %d\n", f->current_step);
print_varinfo (f, f->current_step);
// advance to 1) next available step with 2) blocking wait
adios_advance_step (f, 0, timeout_sec);
if (adios_errno == err_step_notready)
{
//printf ("No new step arrived within the timeout. Quit. %s\n",
// adios_errmsg());
break; // quit while loop
}
}
adios_read_close (f);
}
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
//printf ("We have processed %d steps\n", steps);
return retval;
}
/// Close the open file. This function frees the content of the ADIOS_FILE
/// object under the control of this object.
void ADIOS_File::close()
{
if (m_handle == 0) return;
int ierr = adios_read_close(m_handle);
if (ierr == 0) {
LOGGER(ibis::gVerbose > 4)
<< "ADIOS_File::close successfully closed file \"" << m_fname
<< '"';
}
else {
LOGGER(ibis::gVerbose >= 0)
<< "Warning -- ADIOS_File::close failed to close file \""
<< m_fname << "\" because of " << adios_errmsg();
}
m_handle = 0;
} // ADIOS_File::close
static void test_file_mode_reads(const char *bp_filename) {
int i;
ADIOS_FILE *fp = adios_read_open_file(bp_filename, ADIOS_READ_METHOD_BP, COMM);
MPI_Assert(COMM, fp);
fprintf(stderr, "[rank %d/%d] Starting file-mode writeblock reads on %s\n", rank, size, bp_filename);
for (i = 0; i < fp->nvars; ++i) {
const char *varname = fp->var_namelist[i];
test_file_mode_reads_on_var(fp, bp_filename, varname);
MPI_Barrier(COMM);
}
adios_read_close(fp);
fprintf(stderr, "[rank %d/%d] Finished file-mode writeblock reads on %s\n", rank, size, bp_filename);
}
/// Open the named file in read-only mode. If a write operation is
/// desired, the caller is expected to close this file and call adios_open
/// explicitly. This object is used to carry the file name when any write
/// operations are to be performed. Furthermore, the file is always open
/// in streaming mode.
void ADIOS_File::open(const std::string &fn, ADIOS_READ_METHOD rm,
float to, bool strm)
{
const char *cptr = (fn.empty() ? m_fname.c_str() : fn.c_str());
if (*cptr == 0) // can not proceed with a valid file name
return;
if (m_handle)
(void) adios_read_close(m_handle);
if (strm) { // variables are visible one step at a time
m_handle = adios_read_open_stream
(cptr, rm, m_comm, ADIOS_LOCKMODE_CURRENT, to);
if (m_handle != 0) { // successfully opened the stream for reading
if (m_fname.compare(cptr) != 0)
m_fname = cptr;
LOGGER(ibis::gVerbose > 4)
<< "ADIOS_File::open(" << m_fname
<< ") successfully opened the name file in streaming mode";
}
else {
LOGGER(ibis::gVerbose >= 0)
<< "Warning -- ADIOS_File::open(" << cptr
<< ") failed to locate an active stream";
}
}
else { // open_file makes all variables visible at once
if (m_fname.compare(cptr) != 0)
m_fname = cptr;
m_handle = adios_read_open_file(cptr, rm, m_comm);
if (m_handle != 0) {
LOGGER(ibis::gVerbose > 4)
<< "ADIOS_File::open(" << m_fname
<< ") opened the named file for reading";
}
else {
LOGGER(ibis::gVerbose >= 0)
<< "Warning -- ADIOS_File::open(" << cptr
<< ") failed to open the named file in read-only mode";
}
}
} // ADIOS_File::open
eavlXGCParticleImporter::~eavlXGCParticleImporter()
{
if(fp)
adios_read_close(fp);
fp = NULL;
map<string, ADIOS_VARINFO*>::const_iterator it;
for(it = ephase.begin(); it != ephase.end(); it++)
adios_free_varinfo(it->second);
ephase.clear();
for(it = iphase.begin(); it != iphase.end(); it++)
adios_free_varinfo(it->second);
iphase.clear();
for(it = egid.begin(); it != egid.end(); it++)
adios_free_varinfo(it->second);
egid.clear();
for(it = igid.begin(); it != igid.end(); it++)
adios_free_varinfo(it->second);
igid.clear();
}
int main (int argc, char ** argv)
{
char filename [256];
int rank, size, i;
int NX = 4096;
double t[NX];
MPI_Comm comm = MPI_COMM_WORLD;
/* ADIOS variables declarations for matching gwrite_temperature.ch */
ADIOS_FILE *fp;
ADIOS_SELECTION *s;
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
MPI_Comm_size (comm, &size);
strcpy (filename, "adios_global.bp");
//adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "");
fp = adios_read_open_file ("adios_global.bp", ADIOS_READ_METHOD_BP, comm);
#include "gread_temperature.ch"
adios_read_close (fp);
// Verify data
for (i = 0; i < NX; i++)
if (t[i] != rank*NX + i)
{
fprintf (stderr, "Error detected\n");
}
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
MPI_Finalize ();
return 0;
}
int read_all ()
{
ADIOS_FILE * f;
float timeout_sec = 0.0;
int steps = 0;
int retval = 0;
MPI_Comm comm = MPI_COMM_SELF;
adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "verbose=3");
printf ("\n--------- Read as file ------------\n");
f = adios_read_open_file (fname, ADIOS_READ_METHOD_BP, comm);
if (f == NULL) {
printf ("Error at opening file: %s\n", adios_errmsg());
retval = adios_errno;
}
else
{
/* Processing all the steps at once */
print_varinfo (f, 0);
adios_read_close (f);
}
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
return retval;
}
int read_scalar ()
{
ADIOS_FILE * f;
float timeout_sec = 0.0;
int steps = 0;
int retval = 0;
MPI_Comm comm = MPI_COMM_SELF;
adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "verbose=3");
printf ("\n--------- Read all instances of the scalar 'O' ------------\n");
f = adios_read_open_file (fname, ADIOS_READ_METHOD_BP, comm);
if (f == NULL) {
printf ("Error at opening file: %s\n", adios_errmsg());
retval = adios_errno;
}
else
{
/* Read the scalar O with writeblock selection */
print_scalar (f, "O");
adios_read_close (f);
}
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
return retval;
}
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, i;
MPI_Comm comm = MPI_COMM_WORLD;
enum ADIOS_DATATYPES attr_type;
enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP;
int attr_size;
void * data = NULL;
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
MPI_Comm_size (comm, &size);
adios_read_init_method (method, comm, "verbose=3");
adios_logger_open ("log_read_C", rank);
ADIOS_FILE * f = adios_read_open ("attributes_C.bp", method, comm, ADIOS_LOCKMODE_NONE, 0.0);
if (f == NULL)
{
log_error ("%s\n", adios_errmsg());
return -1;
}
for (i = 0; i < f->nattrs; i++)
{
adios_get_attr (f, f->attr_namelist[i], &attr_type, &attr_size, &data);
log_test("rank %d: attr: %s %s = ", rank, adios_type_to_string(attr_type), f->attr_namelist[i]);
int type_size = adios_type_size (attr_type, data);
int nelems = attr_size / type_size;
int k;
char *p = (char*)data;
for (k=0; k<nelems; k++)
{
if (k>0) log_test(", ");
switch (attr_type)
{
case adios_integer:
log_test ("%d", *(int *)p);
break;
case adios_double:
log_test ("%e", *(double *)p);
break;
case adios_string:
log_test ("\"%s\"", (char *)p);
break;
case adios_string_array:
log_test ("\"%s\"", *(char **)p);
break;
default:
log_test ("??????\n");
}
p=p+type_size;
}
log_test("\n");
free (data);
data = 0;
}
adios_read_close (f);
MPI_Barrier (comm);
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
adios_logger_close();
MPI_Finalize ();
return 0;
}
int main (int argc, char ** argv)
{
char filename [256];
int rank;
MPI_Comm comm = MPI_COMM_WORLD;
enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP;
ADIOS_SELECTION * sel1=NULL;
int8_t v1 = 0;
int16_t v2 = 0;
int32_t v3 = 0;
int64_t v4 = 0;
uint8_t v5 = 0;
uint16_t v6 = 0;
uint32_t v7 = 0;
uint64_t v8 = 0;
float v9 = 0.0;
double v10 = 0.0;
char v11[256];
complex v12;
v12.r = 0.0;
v12.i = 0.0;
double_complex v13;
v13.r = 0.0;
v13.i = 0.0;
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
strcpy (filename, "scalars.bp");
adios_read_init_method (method, comm, "verbose=3");
ADIOS_FILE * f = adios_read_open (filename, method, comm, ADIOS_LOCKMODE_NONE, 0.0);
adios_schedule_read (f, sel1, "var_byte", 0, 1, &v1);
adios_schedule_read (f, sel1, "var_short", 0, 1, &v2);
adios_schedule_read (f, sel1, "var_int", 0, 1, &v3);
adios_schedule_read (f, sel1, "var_long", 0, 1, &v4);
adios_schedule_read (f, sel1, "var_ubyte", 0, 1, &v5);
adios_schedule_read (f, sel1, "var_ushort", 0, 1, &v6);
adios_schedule_read (f, sel1, "var_uint", 0, 1, &v7);
adios_schedule_read (f, sel1, "var_ulong", 0, 1, &v8);
adios_schedule_read (f, sel1, "var_real", 0, 1, &v9);
adios_schedule_read (f, sel1, "var_double", 0, 1, &v10);
/* note that a string is an array and thus v11 a pointer already,
so we pass the v11 instead of &v11 here */
adios_schedule_read (f, sel1, "var_string", 0, 1, v11);
adios_schedule_read (f, sel1, "var_complex", 0, 1, &v12);
adios_schedule_read (f, sel1, "var_double_complex", 0, 1, &v13);
adios_perform_reads (f,1);
if (rank == 0) {
printf("byte v1 = %d\n", v1);
printf("short v2 = %d\n", v2);
printf("integer v3 = %d\n", v3);
printf("long v4 = %" PRId64 "\n", v4);
printf("uns.byte v5 = %u\n", v5);
printf("uns.short v6 = %u\n", v6);
printf("uns.int v7 = %u\n", v7);
printf("uns.long v8 = %" PRIu64 "\n", v8);
printf("float v9 = %g\n", v9);
printf("double v10 = %g\n", v10);
printf("string v11 = %s\n", v11);
printf("complex v12 = (%g, i%g)\n", v12.r, v12.i);
printf("dbl-complex v13 = (%g, i%g)\n", v13.r, v13.i);
}
adios_read_close (f);
MPI_Barrier (comm);
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
MPI_Finalize ();
return 0;
}
int read_scalar_stepbystep ()
{
ADIOS_FILE * f;
float timeout_sec = 0.0;
int steps = 0;
int retval = 0;
MPI_Comm comm = MPI_COMM_SELF;
adios_read_init_method (ADIOS_READ_METHOD_BP, comm, "verbose=3");
printf ("\n--------- Read scalar in stream using varinfo->value ------------\n");
f = adios_read_open (fname, ADIOS_READ_METHOD_BP,
comm, ADIOS_LOCKMODE_NONE, timeout_sec);
if (adios_errno == err_file_not_found)
{
printf ("Stream not found after waiting %f seconds: %s\n",
timeout_sec, adios_errmsg());
retval = adios_errno;
}
else if (adios_errno == err_end_of_stream)
{
printf ("Stream terminated before open. %s\n", adios_errmsg());
retval = adios_errno;
}
else if (f == NULL) {
printf ("Error at opening stream: %s\n", adios_errmsg());
retval = adios_errno;
}
else
{
/* 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
printf ("Step: %d\n", f->current_step);
/* Check the scalar O with varinfo->value */
ADIOS_VARINFO * v = adios_inq_var (f, "NX");
int value = *(int*)v->value;
printf ("Scalar NX = %d", value);
if (value !=
block_count [f->current_step*nblocks_per_step*size])
{
printf ("\tERROR expected = %llu",
block_count [f->current_step*nblocks_per_step*size]);
nerrors++;
}
printf ("\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 ("No new step arrived within the timeout. Quit. %s\n",
// adios_errmsg());
break; // quit while loop
}
}
adios_read_close (f);
}
adios_read_finalize_method (ADIOS_READ_METHOD_BP);
//printf ("We have processed %d steps\n", steps);
return retval;
}
int main(int argc, char ** argv) {
char xmlFileName[256];
enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP;
MPI_Comm comm = MPI_COMM_WORLD;
ADIOS_QUERY_TEST_INFO *queryInfo;
ADIOS_FILE *f;
MPI_Init(&argc, &argv);
if (argc < 4 || argc > 7) {
fprintf(stderr," usage: %s {input bp file} {xml file} {query engine (ALACRITY/FASTBIT)} [mode (FILE/stream)] [print points? (TRUE/false)] [read results? (true/FALSE)]\n", argv[0]);
MPI_Abort(comm, 1);
}
else {
strcpy(xmlFileName, argv[2]);
}
enum ADIOS_QUERY_METHOD query_method = ADIOS_QUERY_METHOD_UNKNOWN;
if (strcasecmp(argv[3], "ALACRITY") == 0) {
// init with ALACRITY
//adios_query_init(ADIOS_QUERY_TOOL_ALACRITY);
query_method = ADIOS_QUERY_METHOD_ALACRITY;
}
else if (strcasecmp(argv[3], "FASTBIT") == 0) {
// init with FastBit
query_method = ADIOS_QUERY_METHOD_FASTBIT;
//fprintf(stderr,"FastBit not supported in this test yet, exiting...\n");
//MPI_Abort(comm, 1);
}
else {
fprintf(stderr,"Unsupported query engine %s, exiting...\n", argv[3]);
MPI_Abort(comm, 1);
}
const int use_streaming = (argc >= 5) && (strcasecmp(argv[4], "stream") == 0);
const int read_results = (argc >= 6) && (strcasecmp(argv[5], "true") == 0);
const int print_points = !(argc >= 7) || (strcasecmp(argv[6], "true") == 0);
fprintf(stderr, "NOTE: Running the query in %s mode\n", use_streaming ? "STREAM" : "FILE");
fprintf(stderr, "NOTE: %s print query result points\n", print_points ? "WILL" : "WILL NOT");
fprintf(stderr, "NOTE: %s read data using query result point selection\n", read_results ? "WILL" : "WILL NOT");
// ADIOS init
adios_read_init_method(method, comm, NULL);
f = use_streaming ?
adios_read_open(argv[1], method, comm, ADIOS_LOCKMODE_ALL, -1) :
adios_read_open_file(argv[1], method, comm);
if (f == NULL) {
fprintf(stderr," can not open file %s \n", argv[1]);
MPI_Abort(comm, 1);
}
// Parse the xml file to generate query info
queryInfo = parseXml(xmlFileName, f);
// perform query
adios_query_set_method(queryInfo->query, query_method);
performQuery(queryInfo, f, use_streaming, print_points, read_results);
adios_read_close(f);
adios_read_finalize_method(ADIOS_READ_METHOD_BP);
MPI_Finalize();
return 0;
}
int main (int argc, char ** argv)
{
int err;
int steps = 0, curr_step;
int retval = 0;
MPI_Init (&argc, &argv);
comm = MPI_COMM_WORLD;
MPI_Comm_rank (comm, &rank);
MPI_Comm_size (comm, &numproc);
if (processArgs(argc, argv)) {
return 1;
}
print0("Input stream = %s\n", infilename);
print0("Output stream = %s\n", outfilename);
print0("Read method = %s (id=%d)\n", rmethodname, read_method);
print0("Read method parameters = \"%s\"\n", rmethodparams);
print0("Write method = %s\n", wmethodname);
print0("Write method parameters = \"%s\"\n", wmethodparams);
err = adios_read_init_method(read_method, comm,
"max_chunk_size=100; "
"app_id =32767; \n"
"verbose= 3;"
"poll_interval = 100;"
);
if (!err) {
print0 ("%s\n", adios_errmsg());
}
adios_init_noxml(comm);
print0 ("Waiting to open stream %s...\n", infilename);
f = adios_read_open_stream (infilename, read_method, comm,
ADIOS_LOCKMODE_ALL, timeout_sec);
if (adios_errno == err_file_not_found)
{
print ("rank %d: Stream not found after waiting %d seconds: %s\n",
rank, timeout_sec, adios_errmsg());
retval = adios_errno;
}
else if (adios_errno == err_end_of_stream)
{
print ("rank %d: Stream terminated before open. %s\n", rank, adios_errmsg());
retval = adios_errno;
}
else if (f == NULL) {
print ("rank %d: Error at opening stream: %s\n", rank, adios_errmsg());
retval = adios_errno;
}
else
{
// process steps here...
if (f->current_step != 0) {
print ("rank %d: WARNING: First %d steps were missed by open.\n",
rank, f->current_step);
}
while (1)
{
steps++; // start counting from 1
print0 ("File info:\n");
print0 (" current step: %d\n", f->current_step);
print0 (" last step: %d\n", f->last_step);
print0 (" # of variables: %d:\n", f->nvars);
retval = process_metadata(steps);
if (retval) break;
retval = read_write(steps);
if (retval) break;
// advance to 1) next available step with 2) blocking wait
curr_step = f->current_step; // save for final bye print
adios_advance_step (f, 0, timeout_sec);
if (adios_errno == err_end_of_stream)
{
break; // quit while loop
}
else if (adios_errno == err_step_notready)
{
print ("rank %d: No new step arrived within the timeout. Quit. %s\n",
rank, adios_errmsg());
break; // quit while loop
}
else if (f->current_step != curr_step+1)
{
// we missed some steps
print ("rank %d: WARNING: steps %d..%d were missed when advancing.\n",
rank, curr_step+1, f->current_step-1);
}
}
adios_read_close (f);
}
print0 ("Bye after processing %d steps\n", steps);
adios_read_finalize_method (read_method);
adios_finalize (rank);
MPI_Finalize ();
return retval;
}
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 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;
}
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)
{
/* application data structures */
int rank;
int NX, NY;
double *t;
int *p;
/* MPI and ADIOS data structures */
MPI_Comm comm = MPI_COMM_WORLD;
/* MPI and ADIOS setup */
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
adios_read_init_method(ADIOS_READ_METHOD_FLEXPATH, comm, "");
/* First read in the scalars to calculate the size of the arrays */
/* get everything from single process - rank 0 for now*/
ADIOS_SELECTION process_select;
process_select.type=ADIOS_SELECTION_WRITEBLOCK;
process_select.u.block.index = rank;
/* read the size of arrays using local inq_var */
/* Note: at this moment, timeout is not handled. It blocks until writer appears */
ADIOS_FILE* afile = adios_read_open("arrays", ADIOS_READ_METHOD_FLEXPATH, comm,
ADIOS_LOCKMODE_NONE, 30.0);
/* Read arrays for each time step */
while(adios_errno != err_end_of_stream){
ADIOS_VARINFO* nx_info = adios_inq_var( afile, "NX");
if(nx_info->value) {
NX = *((int *)nx_info->value);
}
ADIOS_VARINFO* ny_info = adios_inq_var( afile, "NY");
if(ny_info->value) {
NY = *((int *)ny_info->value);
}
/* Allocate space for the arrays */
t = (double *) malloc (NX*NY*sizeof(double));
p = (int *) malloc (NX*sizeof(int));
memset(t, 0, NX*NY*sizeof(double));
memset(p, 0, NX*sizeof(int));
/* schedule a read of the arrays */
adios_schedule_read (afile, &process_select, "var_double_2Darray", 0, 1, t);
adios_schedule_read (afile, &process_select, "var_int_1Darray", 0, 1, p);
/* commit request and retrieve data */
adios_perform_reads (afile, 1);
/* print result */
printf("Results Rank=%d Step=%d p[] = [%d, %d,...] t[][] = [%.2f, %.2f]\n",
rank, afile->current_step, p[0], p[1], t[0], t[1]);
/* block until next step is available (30 sec timeout unsupported) */
adios_release_step(afile);
adios_advance_step(afile, 0, 30);
MPI_Barrier (comm);
/* shutdown ADIOS and MPI */
}
adios_read_close(afile);
/* wait until all readers finish */
adios_read_finalize_method(ADIOS_READ_METHOD_FLEXPATH);
MPI_Finalize ();
return 0;
}
int main (int argc, char ** argv)
{
int i, j, k,l;
MPI_Comm comm_dummy = 0; /* MPI_Comm is defined through adios_read.h */
if (argc < 2) {
printf("Usage: %s <BP-file>\n", argv[0]);
return 1;
}
adios_read_init_method (ADIOS_READ_METHOD_BP, comm_dummy, "show_hidden_attrs");
ADIOS_FILE * f;
f = adios_read_open_file (argv[1], ADIOS_READ_METHOD_BP, comm_dummy);
if (f == NULL) {
printf ("%s\n", adios_errmsg());
return -1;
}
/* For all variables */
printf(" Variables=%d:\n", f->nvars);
for (i = 0; i < f->nvars; i++) {
ADIOS_VARINFO * v = adios_inq_var_byid (f, i);
adios_inq_var_stat (f, v, 0, 1);
adios_inq_var_blockinfo (f, v);
uint64_t total_size = adios_type_size (v->type, v->value);
for (j = 0; j < v->ndim; j++)
total_size *= v->dims[j];
printf(" %-9s %s", adios_type_to_string(v->type), f->var_namelist[i]);
if (v->ndim == 0) {
/* Scalars do not need to be read in, we get it from the metadata
when using adios_inq_var */
printf(" = %s\n", value_to_string(v->type, v->value, 0));
} else {
/* Arrays, print min/max statistics*/
printf("[%lld",v->dims[0]);
for (j = 1; j < v->ndim; j++)
printf(", %lld",v->dims[j]);
//printf("] = \n");
if (v->type == adios_integer)
printf("] : min=%d max=%d\n",
(*(int*)v->statistics->min), (*(int*)v->statistics->max));
else if (v->type == adios_double)
printf("] : min=%lg max=%lg\n",
(*(double*)v->statistics->min), (*(double*)v->statistics->max));
/* Print block info */
for (l=0; l<v->nsteps; l++) {
printf(" step %3d: \n", l);
for (j=0; j<v->nblocks[l]; j++) {
printf(" block %3d: [", j);
for (k=0; k<v->ndim; k++) {
printf("%3lld:%3lld", v->blockinfo[j].start[k],
v->blockinfo[j].start[k]+v->blockinfo[j].count[k]-1);
if (k<v->ndim-1)
printf(", ");
}
printf("]\n");
}
}
}
adios_free_varinfo (v);
} /* variables */
/* For all attributes */
printf(" Attributes=%d:\n", f->nattrs);
for (i = 0; i < f->nattrs; i++) {
enum ADIOS_DATATYPES atype;
int asize;
void *adata;
adios_get_attr_byid (f, i, &atype, &asize, &adata);
printf(" %-9s %s = %s\n", adios_type_to_string(atype),
f->attr_namelist[i], value_to_string(atype, adata, 0));
free(adata);
} /* attributes */
adios_read_close (f);
return 0;
}
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;
}
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;
}
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;
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
MPI_Comm_size (comm, &size);
adios_read_init_method (method, comm, "verbose=3");
ADIOS_FILE * f = adios_read_open_file("adios_stat.bp", method, comm);
if (f == NULL)
{
fprintf (stderr, "%s\n", adios_errmsg());
return -1;
}
ADIOS_VARINFO * v = adios_inq_var (f, "temperature");
if (v) {
/* get statistics, for each individual time-step */
adios_inq_var_stat (f, v, 1, 0);
printf("Global MIN of temperature: %lf\n", * (double *) v->statistics->min);
printf("Global MAX of temperature: %lf\n", * (double *) v->statistics->max);
printf("Global AVG of temperature: %lf\n", * (double *) v->statistics->avg);
printf("Global STD DEV of temperature: %lf\n", * (double *) v->statistics->std_dev);
printf("\n");
printf("---------------------------------------------------------------------------\n");
if (v->statistics->steps) {
printf("MIN\t\tMAX\t\tAVG\t\tSTD_DEV\t\tHISTOGRAM\n");
for(i = 0; i < v->nsteps; i++)
{
if (v->statistics->steps->mins[i])
printf("%lf\t", * (double *) v->statistics->steps->mins[i]);
else
printf("--\t\t");
if (v->statistics->steps->maxs[i])
printf("%lf\t", * (double *) v->statistics->steps->maxs[i]);
else
printf("--\t\t");
if (v->statistics->steps->avgs[i])
printf("%lf\t", * (double *) v->statistics->steps->avgs[i]);
else
printf("--\t\t");
if (v->statistics->steps->std_devs[i])
printf("%lf\t", * (double *) v->statistics->steps->std_devs[i]);
else
printf("--\t\t");
if (v->statistics->histogram) {
for(j = 0; j <= v->statistics->histogram->num_breaks; j++) {
printf("%d ", v->statistics->histogram->frequencies[i][j]);
}
printf("\n");
} else {
printf("--\t\t");
}
printf("\n");
}
} else {
printf ("Per step statistics is missing\n");
}
printf("---------------------------------------------------------------------------\n");
printf("\n");
if (v->statistics->histogram) {
printf("Break points:\t\t\t");
for(j = 0; j < v->statistics->histogram->num_breaks; j++)
printf("%6.2lf\t", v->statistics->histogram->breaks[j]);
printf("\n");
printf("Frequencies:\t\t\t");
for(j = 0; j <= v->statistics->histogram->num_breaks; j++)
printf("%6d\t", v->statistics->histogram->gfrequencies[j]);
}
printf("\n\n");
#if 0
printf ("Auto covariance of MIN values of temperature over time: %lf\n", adios_stat_cov (v, v, "min", 0, 12, 0));
printf ("Auto correlation of MAX values of temperature over time, with lag 2 units: %lf\n", adios_stat_cor (v, v, "max", 0, 8, 2));
printf("\n\n");
#endif
adios_free_varinfo (v);
} else {
fprintf (stderr, "ERROR: Cannot inquire statistics of variable 'temperature': %s\n", adios_errmsg());
}
v = adios_inq_var (f, "complex");
if (v) {
adios_inq_var_stat (f, v, 1, 0);
double *C = v->statistics->min;
printf("Global Minimum of variable complex - Magnitude: %lf\n", C[0]);
printf("Global Minimum of variable complex - Real part: %lf\n", C[1]);
printf("Global Minimum of variable complex - Imaginary part: %lfi\n", C[2]);
double ** Cmin;
Cmin = (double **) v->statistics->steps->mins;
printf("\nMagnitude\t\tReal\t\t\tImaginary\n");
for (j = 0; j < v->nsteps; j++)
{
printf ("%lf\t\t%lf\t\t%lf\n", Cmin[j][0], Cmin[j][1], Cmin[j][2]);
}
printf("\n");
adios_free_varinfo (v);
} else {
fprintf (stderr, "ERROR: Cannot inquire statistics of variable 'complex': %s\n", adios_errmsg());
}
adios_read_close (f);
MPI_Barrier (comm);
adios_read_finalize_method (method);
MPI_Finalize ();
return 0;
}
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 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;
}
int main (int argc, char ** argv)
{
char filename [256];
int rank, size, i, j, k, token;
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Status status;
enum ADIOS_READ_METHOD method = ADIOS_READ_METHOD_BP;
ADIOS_SELECTION * sel;
void * data = NULL;
uint64_t start[3], count[3], step = 0;
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
MPI_Comm_size (comm, &size);
adios_read_init_method (method, comm, "verbose=3");
/* adios_read_open_file() allows for seeing all timesteps in the file */
ADIOS_FILE * f = adios_read_open_file ("adios_globaltime.bp", method, comm);
if (f == NULL)
{
printf ("%s\n", adios_errmsg());
return -1;
}
ADIOS_VARINFO * v = adios_inq_var (f, "temperature");
// read in two timesteps
data = malloc (2 * v->dims[0] * v->dims[1] * sizeof (double));
if (data == NULL)
{
fprintf (stderr, "malloc failed.\n");
return -1;
}
// read in timestep 'rank' (up to 12)
step = rank % 13;
start[0] = 0;
count[0] = v->dims[0];
start[1] = 0;
count[1] = v->dims[1];
/* Read a subset of the temperature array */
sel = adios_selection_boundingbox (v->ndim, start, count);
/* 2 steps from 'step' */
adios_schedule_read (f, sel, "temperature", step, 2, data);
adios_perform_reads (f, 1);
if (rank == 0)
printf ("Array size of temperature [0:%lld,0:%lld]\n", v->dims[0], v->dims[1]);
if (rank > 0) {
MPI_Recv (&token, 1, MPI_INT, rank-1, 0, comm, &status);
}
printf("------------------------------------------------\n", rank);
printf("rank=%d: \n", rank);
for (i = 0; i < 2; i++) {
printf ("step %lld = [\n", step+i);
for (j = 0; j < v->dims[0]; j++) {
printf (" [");
for (k = 0; k < v->dims[1]; k++) {
printf ("%g ", ((double *)data) [ i * v->dims[0] * v->dims[1] + j * v->dims[1] + k]);
}
printf ("]\n");
}
printf ("]\n");
}
printf ("\n");
if (rank < size-1) {
MPI_Send (&token, 1, MPI_INT, rank+1, 0, comm);
}
free (data);
adios_free_varinfo (v);
adios_read_close (f);
MPI_Barrier (comm);
adios_read_finalize_method (method);
MPI_Finalize ();
return 0;
}