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/* $Source: bitbucket.org:berkeleylab/gasnet.git/tests/testcoll.c $
* Description: GASNet collectives test
* Copyright 2002-2004, Jaein Jeong and Dan Bonachea <bonachea@cs.berkeley.edu>
* Terms of use are as specified in license.txt
*/
#include <gasnetex.h>
#include "gasnet_coll.h"
#if GASNET_PAR
#define DEFAULT_THREADS 2
#else
#define DEFAULT_THREADS 1
#endif
static gex_Client_t myclient;
static gex_EP_t myep;
static gex_TM_t myteam;
static gex_Segment_t mysegment;
int datasize;
int numprocs;
int iters = 0;
int images; /* numproc * threads */
int threads = DEFAULT_THREADS; /* per node */
#define TEST_SEGSZ_EXPR (sizeof(int)*(threads*datasize+numprocs))
#include "test.h"
#if GASNET_PAR
#define local_barrier() PTHREAD_LOCALBARRIER(threads)
#define global_barrier() PTHREAD_BARRIER(threads)
#else
#define local_barrier() do {} while(0)
#define global_barrier() BARRIER()
#endif
typedef struct {
int local_id;
int mythread;
int myproc;
int peerthread;
gasnet_coll_handle_t *hndl;
char _pad[GASNETT_CACHE_LINE_BYTES];
} thread_data_t;
#define PROLOGUE(NAME) \
GASNET_BEGIN_FUNCTION(); \
const char name[] = NAME; \
int myproc = (randomize(td), td->myproc); \
int mythread = td->mythread; \
int peerthread = td->peerthread; \
gasnet_coll_handle_t *hndl = td->hndl
static int *R;
static int **Aw, **Bw, **Cw, **Dw, **Ew, **Fw, **Gw;
static int ***Av, ***Bv, ***Cv, ***Dv, ***Ev, ***Fv, ***Gv;
/* All nodes must get the same random sequence */
static void randomize(thread_data_t *td) {
local_barrier();
if (td->local_id == 0) {
int i;
static int srand_phase = 1;
TEST_SRAND(srand_phase++);
for (i=0; i<iters; ++i) {
R[i] = TEST_RAND(0,1000000000);
}
}
local_barrier();
}
#define MSG00 \
if (!td->local_id) MSG0
#define CALL(FUNC,DST,SRC,FLAGS) \
gasnet_coll_##FUNC(GASNET_TEAM_ALL,DST,SRC,sizeof(int),\
FLAGS|GASNET_COLL_SRC_IN_SEGMENT|GASNET_COLL_DST_IN_SEGMENT);
#define DEFN(PREFIX, DESC) \
/* NO/NO - in/out data is not generated/consumed in same barrier phase */ \
void PREFIX##_NONO(int root, thread_data_t *td) { \
PROLOGUE(DESC " NO/NO"); \
int flags = GASNET_COLL_LOCAL| GASNET_COLL_IN_NOSYNC | GASNET_COLL_OUT_NOSYNC; \
int j; \
\
MSG00("Starting %s test", name); \
\
for (j = 0; j < iters; ++j) { \
gex_Rank_t i; \
\
*LOCAL(A) = (mythread == root) ? R[j] : -1; \
*LOCAL(B) = mythread; \
for (i = 0; i < images; ++i) { \
LOCAL(D)[i] = i * R[j] + mythread; \
} \
\
global_barrier(); \
\
CALL(broadcast, ALL(A), ROOT(A), flags); \
CALL(gather, ROOT(C), ALL(B), flags); \
CALL(scatter, ALL(E), ROOT(D), flags); \
CALL(gather_all, ALL(F), ALL(B), flags); \
CALL(exchange, ALL(G), ALL(D), flags); \
\
global_barrier(); \
\
if (*LOCAL(A) != R[j]) { \
MSG("ERROR: %s broadcast validation failed", name); \
gasnet_exit(1); \
} \
if (mythread == root) { \
for (i = 0; i < images; ++i) { \
if (LOCAL(C)[i] != i) { \
MSG("ERROR: %s gather validation failed %d %d", name, LOCAL(C)[i], (int)i);\
gasnet_exit(1); \
} \
} \
} \
if (*LOCAL(E) != mythread*R[j] + root) { \
MSG("ERROR: %s scatter validation failed %d %d", name, *LOCAL(E), mythread*R[j] + root); \
gasnet_exit(1); \
} \
for (i = 0; i < images; ++i) { \
if (LOCAL(F)[i] != i) { \
MSG("ERROR: %s gather_all validation failed", name); \
gasnet_exit(1); \
} \
} \
for (i = 0; i < images; ++i) { \
if (LOCAL(G)[i] != i + mythread*R[j]) { \
MSG("ERROR: %s exchange validation failed", name); \
gasnet_exit(1); \
} \
} \
} \
\
global_barrier(); /* ensure validation completes before next test */ \
} \
/* MY/MY - in/out data is generated/consumed locally in same barrier phase */\
void PREFIX##_MYMY(int root, thread_data_t *td) { \
PROLOGUE(DESC " MY/MY"); \
int flags = GASNET_COLL_LOCAL| GASNET_COLL_IN_MYSYNC | GASNET_COLL_OUT_MYSYNC; \
int j; \
\
MSG00("Starting %s test", name); \
\
for (j = 0; j < iters; ++j) { \
gex_Rank_t i; \
\
*LOCAL(A) = (mythread == root) ? R[j] : -1; \
*LOCAL(B) = mythread; \
\
CALL(broadcast, ALL(A), ROOT(A), flags); \
if (*LOCAL(A) != R[j]) { \
MSG("ERROR: %s broadcast validation failed %d %d on %d", name, *LOCAL(A), R[j], mythread); \
gasnet_exit(1); \
} \
CALL(gather, ROOT(C), ALL(B), flags); \
if (mythread == root) { \
for (i = 0; i < images; ++i) { \
if (LOCAL(C)[i] != i) { \
MSG("ERROR: %s gather validation failed", name); \
gasnet_exit(1); \
} \
LOCAL(C)[i] *= R[j]; \
} \
} \
CALL(scatter, ALL(B), ROOT(C), flags); \
if (*LOCAL(B) != mythread*R[j]) { \
MSG("ERROR: %s scatter validation failed", name); \
gasnet_exit(1); \
} \
CALL(gather_all, ALL(C), ALL(B), flags); \
for (i = 0; i < images; ++i) { \
if (LOCAL(C)[i] != i*R[j]) { \
MSG("ERROR: %s gather_all validation failed", name); \
gasnet_exit(1); \
} \
LOCAL(C)[i] += mythread; \
} \
CALL(exchange, ALL(D), ALL(C), flags); \
for (i = 0; i < images; ++i) { \
if (LOCAL(D)[i] != i + mythread*R[j]) { \
MSG("ERROR: %s exchange validation failed", name); \
gasnet_exit(1); \
} \
} \
} \
\
global_barrier(); /* ensure validation completes before next test */ \
} \
/* ALL/ALL - data is generated/consumed *remotely* in same barrier phase */ \
void PREFIX##_ALLALL(int root, thread_data_t *td) { \
PROLOGUE(DESC " ALL/ALL"); \
int flags = GASNET_COLL_LOCAL| GASNET_COLL_IN_ALLSYNC | GASNET_COLL_OUT_ALLSYNC; \
gex_Rank_t rootproc = root/threads; \
gex_Rank_t peerproc = peerthread/threads; \
int j; \
int tmp; \
\
MSG00("Starting %s test", name); \
\
for (j = 0; j < iters; ++j) { \
gex_Rank_t i; \
\
tmp = (peerthread == root) ? R[j] : -1; \
gex_RMA_PutBlocking(myteam, peerproc, REMOTE(A,peerthread), &tmp, sizeof(int), 0);\
\
CALL(broadcast, ALL(A), ROOT(A), flags); \
gex_RMA_GetBlocking(myteam, &tmp, peerproc, REMOTE(A,peerthread), sizeof(int), 0);\
if (tmp != R[j]) { \
MSG("ERROR: %s broadcast validation failed", name); \
gasnet_exit(1); \
} \
tmp = peerthread; \
gex_RMA_PutBlocking(myteam, peerproc, REMOTE(B,peerthread), &tmp, sizeof(int), 0);\
CALL(gather, ROOT(C), ALL(B), flags); \
gex_RMA_GetBlocking(myteam, LOCAL(D), rootproc, REMOTE(C,root), images*sizeof(int), 0); \
for (i = 0; i < images; ++i) { \
if (LOCAL(D)[i] != i) { \
MSG("ERROR: %s gather validation failed", name); \
gasnet_exit(1); \
} \
} \
global_barrier(); /* to avoid conflict on D */ \
tmp = mythread * R[j]; \
gex_RMA_PutBlocking(myteam, rootproc, REMOTE(D,root)+mythread, &tmp, sizeof(int), 0);\
CALL(scatter, ALL(B), ROOT(D), flags); \
gex_RMA_GetBlocking(myteam, &tmp, peerproc, REMOTE(B,peerthread), sizeof(int), 0);\
if (tmp != peerthread*R[j]) { \
MSG("ERROR: %s scatter validation failed expected: %d got %d", name, peerthread*R[j], tmp); \
gasnet_exit(1); \
} \
global_barrier(); /* to avoid conflict on B */ \
tmp = peerthread*R[j] - 1; \
gex_RMA_PutBlocking(myteam, peerproc, REMOTE(B,peerthread), &tmp, sizeof(int), 0);\
CALL(gather_all, ALL(C), ALL(B), flags); \
gex_RMA_GetBlocking(myteam, LOCAL(D), peerproc, REMOTE(C,peerthread), images*sizeof(int), 0);\
for (i = 0; i < images; ++i) { \
if (LOCAL(D)[i] != i*R[j] - 1) { \
MSG("ERROR: %s gather_all validation failed", name); \
gasnet_exit(1); \
} \
} \
global_barrier(); /* to avoid conflict on C & D */ \
for (i = 0; i < images; ++i) { \
LOCAL(C)[i] += peerthread; \
} \
gex_RMA_PutBlocking(myteam, peerproc, REMOTE(D,peerthread), LOCAL(C), images*sizeof(int), 0);\
CALL(exchange, ALL(C), ALL(D), flags); \
gex_RMA_GetBlocking(myteam, LOCAL(D), peerproc, REMOTE(C,peerthread), images*sizeof(int), 0);\
for (i = 0; i < images; ++i) { \
if (LOCAL(D)[i] != i + peerthread*R[j] - 1) { \
MSG("ERROR: %s exchange validation failed", name); \
gasnet_exit(1); \
} \
} \
} \
\
global_barrier(); /* ensure validation completes before next test */ \
} \
void PREFIX##_NB(int root, thread_data_t *td) { \
PROLOGUE(DESC " NB"); \
int flags = GASNET_COLL_LOCAL| GASNET_COLL_IN_MYSYNC | GASNET_COLL_OUT_MYSYNC; \
gex_Rank_t i; \
int j; \
\
MSG00("Starting %s test", name); \
\
for (j = 0; j < iters; ++j) { \
*LOCALi(j,A) = (mythread == root) ? R[j] : -1; \
*LOCALi(j,B) = mythread; \
hndl[j] = CALL(broadcast##_nb, ALLi(j,A), ROOTi(j,A), flags); \
} \
for (j = 0; j < iters; ++j) { \
gasnet_coll_wait_sync(hndl[j]); \
if (*LOCALi(j,A) != R[j]) { \
MSG("ERROR: %s broadcast validation failed", name); \
gasnet_exit(1); \
} \
hndl[j] = CALL(gather##_nb, ROOTi(j,C), ALLi(j,B), flags); \
} \
for (j = 0; j < iters; ++j) { \
gasnet_coll_wait_sync(hndl[j]); \
if (mythread == root) { \
for (i = 0; i < images; ++i) { \
if (LOCALi(j,C)[i] != i) { \
MSG("ERROR: %s gather validation failed", name); \
gasnet_exit(1); \
} \
LOCALi(j,C)[i] *= R[j]; \
} \
} \
hndl[j] = CALL(scatter##_nb, ALLi(j,B), ROOTi(j,C), flags); \
} \
for (j = 0; j < iters; ++j) { \
gasnet_coll_wait_sync(hndl[j]); \
if (*LOCALi(j,B) != mythread*R[j]) { \
MSG("ERROR: %s scatter validation failed", name); \
gasnet_exit(1); \
} \
hndl[j] = CALL(gather_all##_nb, ALLi(j,C), ALLi(j,B), flags); \
} \
for (j = 0; j < iters; ++j) { \
gasnet_coll_wait_sync(hndl[j]); \
for (i = 0; i < images; ++i) { \
if (LOCALi(j,C)[i] != i*R[j]) { \
MSG("ERROR: %s gather_all validation failed", name); \
gasnet_exit(1); \
} \
LOCALi(j,C)[i] += mythread; \
} \
hndl[j] = CALL(exchange##_nb, ALLi(j,D), ALLi(j,C), flags); \
} \
for (j = 0; j < iters; ++j) { \
gasnet_coll_wait_sync(hndl[j]); \
for (i = 0; i < images; ++i) { \
if (LOCALi(j,D)[i] != i + mythread*R[j]) { \
MSG("ERROR: %s exchange validation failed", name); \
gasnet_exit(1); \
} \
} \
} \
\
global_barrier(); /* ensure validation completes before next test */ \
}
#define ALL(X) ALLi(0,X)
#define ROOT(X) ROOTi(0,X)
#define REMOTE(X,N) REMOTEi(0,X,N)
#define LOCAL(X) LOCALi(0,X)
#define LOCALi(i,X) REMOTEi(i,X,mythread)
#define ALLi(i,X) X##v[i][mythread]
#define ROOTi(i,X) root, (mythread==root)?X##v[i][root]:NULL
#define REMOTEi(i,X,N) (X##v[i][N])
DEFN(testLS, "LOCAL/single-addr")
#undef ALLi
#undef ROOTi
#undef REMOTEi
static void *test_malloc_2D(int count, size_t size) {
char *tmp;
void **result;
int j;
tmp = test_malloc(count * (sizeof(void*) + size));
result = (void **)tmp;
tmp += count * sizeof(void *);
for (j = 0; j < count; ++j) {
result[j] = (void *)tmp;
tmp += size;
}
return (void *)result;
}
#define test_free_2D test_free
static volatile int done = 0;
void *thread_main(void *arg) {
thread_data_t *td = arg;
int i;
#if GASNET_PAR
if (td->local_id >= threads) {
while (!done) gasnet_AMPoll();
return NULL;
}
#endif
td->hndl = test_malloc(iters*sizeof(gasnet_coll_handle_t));
/* Run w/ root = (first, middle, last) w/o duplication */
for (i = 0; i < 3; ++i) {
int root;
if (i == 0) {
root = 0;
} else if (i == 1) {
if (images < 3) continue;
root = images / 2;
} else {
if (images < 2) continue;
root = images - 1;
}
MSG00("Running tests with root = %d", (int)root);
testLS_NONO(root, td);
testLS_MYMY(root, td);
testLS_ALLALL(root, td);
testLS_NB(root, td);
}
test_free(td->hndl);
PTHREAD_LOCALBARRIER(threads);
done = 1;
return NULL;
}
int main(int argc, char **argv)
{
static int *A, *B, *C, *D, *E, *F, *G;
gex_Rank_t myproc, i;
int pollers = 0;
int j;
/* call startup */
GASNET_Safe(gex_Client_Init(&myclient, &myep, &myteam, "testcoll", &argc, &argv, 0));
int arg = 1;
int help = 0;
while (argc > arg) {
if (!strcmp(argv[arg], "-p")) {
#if GASNET_PAR
++arg;
if (argc > arg) { pollers = atoi(argv[arg]); arg++; }
else help = 1;
#else
if (0 == gex_TM_QueryRank(myteam)) {
fprintf(stderr, "testcoll %s\n", GASNET_CONFIG_STRING);
fprintf(stderr, "ERROR: The -p option is only available in the PAR configuration.\n");
fflush(NULL);
}
sleep(1);
gasnet_exit(1);
#endif
} else if (argv[arg][0] == '-') {
help = 1;
++arg;
} else break;
}
if (argc > arg) {
iters = atoi(argv[arg]);
++arg;
}
if (iters < 1) {
iters = 1000;
}
#if GASNET_PAR
if (argc > arg) {
threads = atoi(argv[arg]);
++arg;
}
threads = test_thread_limit(threads);
if (threads < 1) {
printf("ERROR: Threads must be between 1 and %d\n", TEST_MAXTHREADS);
exit(EXIT_FAILURE);
}
// NO MULTI-IMAGE SUPPORT IN CURRENT COLLECTIVES
if (threads > 1) {
MSG0("WARNING: thread count reduced to 1 (no multi-image support)");
threads = 1;
}
#endif
/* get SPMD info */
myproc = gex_TM_QueryRank(myteam);
numprocs = gex_TM_QuerySize(myteam);
images = numprocs * threads;
datasize = iters * (3 + 4 * images);
GASNET_Safe(gex_Segment_Attach(&mysegment, myteam, TEST_SEGSZ_REQUEST));
#if GASNET_PAR
#define USAGE "[options] (iters) (threadcnt)\n" \
" The -p option gives the number of polling threads, specified as\n" \
" a non-negative integer argument (default is no polling threads).\n"
#else
#define USAGE "(iters)\n"
#endif
test_init("testcoll",0,USAGE);
TEST_SET_WAITMODE(threads + pollers);
if (argc > arg || help) test_usage();
MSG0("Running coll test(s) with %d iterations.", iters);
R = test_malloc(iters*sizeof(int));
/* Number if ints to store */
/* Carve some variables out of the (aligned) segment: */
Aw = test_malloc(iters * sizeof(int *));
Bw = test_malloc(iters * sizeof(int *));
Cw = test_malloc(iters * sizeof(int *));
Dw = test_malloc(iters * sizeof(int *));
Ew = test_malloc(iters * sizeof(int *));
Fw = test_malloc(iters * sizeof(int *));
Gw = test_malloc(iters * sizeof(int *));
A = (int *)TEST_MYSEG(); /* int [1*iters] */
B = A + 1*iters; /* int [1*iters] */
C = B + 1*iters; /* int [N*iters] */
D = C + images*iters; /* int [N*iters] */
E = D + images*iters; /* int [1*iters] */
F = E + 1*iters; /* int [N*iters] */
G = F + images*iters; /* int [N*iters] */
for (j = 0; j < iters; ++j) {
Aw[j] = A + j;
Bw[j] = B + j;
Cw[j] = C + j*images;
Dw[j] = D + j*images;
Ew[j] = E + j;
Fw[j] = F + j*images;
Gw[j] = G + j*images;
}
/* The unaligned equivalents */
Av = test_malloc_2D(iters, images * sizeof(int *));
Bv = test_malloc_2D(iters, images * sizeof(int *));
Cv = test_malloc_2D(iters, images * sizeof(int *));
Dv = test_malloc_2D(iters, images * sizeof(int *));
Ev = test_malloc_2D(iters, images * sizeof(int *));
Fv = test_malloc_2D(iters, images * sizeof(int *));
Gv = test_malloc_2D(iters, images * sizeof(int *));
for (i = 0; i < images; ++i) {
/* Using (TEST_SEG(n) + n) yields unaligned even when the segments are aligned.
This is to help catch any case where addresses might have been misused that
might go undetected if the addresses were aligned */
A = (int *)TEST_SEG(i/threads) + (i/threads) + datasize*(i%threads);
B = A + 1*iters;
C = B + 1*iters;
D = C + images*iters;
E = D + images*iters;
F = E + 1*iters;
G = F + images*iters;
for (j = 0; j < iters; ++j) {
Av[j][i] = A + j;
Bv[j][i] = B + j;
Cv[j][i] = C + j*images;
Dv[j][i] = D + j*images;
Ev[j][i] = E + j;
Fv[j][i] = F + j*images;
Gv[j][i] = G + j*images;
}
}
BARRIER();
#if GASNET_PAR
int total_threads = threads+pollers;
MSG("Forking %d gasnet threads (%d active, %d polling)", total_threads, threads, pollers);
{
thread_data_t* tt_thread_data = test_malloc(total_threads*sizeof(thread_data_t));
for (int i = 0; i < threads; i++) {
tt_thread_data[i].myproc = myproc;
tt_thread_data[i].local_id = i;
tt_thread_data[i].mythread = i + threads * myproc;
tt_thread_data[i].peerthread = i + threads * (((myproc ^ 1) == numprocs) ? myproc : (myproc ^ 1));
}
for (int i = threads; i < total_threads; ++i) {
// polling threads only read the local_id
tt_thread_data[i].local_id = i;
}
test_createandjoin_pthreads(total_threads, &thread_main, tt_thread_data, sizeof(tt_thread_data[0]));
test_free(tt_thread_data);
}
#else
{ thread_data_t td;
td.myproc = myproc;
td.local_id = 0;
td.mythread = myproc;
td.peerthread = ((myproc ^ 1) == numprocs) ? myproc : (myproc ^ 1);
thread_main(&td);
}
#endif
BARRIER();
test_free(Aw);
test_free(Bw);
test_free(Cw);
test_free(Dw);
test_free_2D(Av);
test_free_2D(Bv);
test_free_2D(Cv);
test_free_2D(Dv);
test_free(R);
MSG("done.");
gasnet_exit(0);
return 0;
}
/* ------------------------------------------------------------------------------------ */
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