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wspawn fix for small sets

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This commit is contained in:
Blaise Tine
2021-01-25 07:04:54 -08:00
parent de2e118cc2
commit 3602d287b4
3 changed files with 160 additions and 3 deletions
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6
runtime/src/vx_spawn.c
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@@ -6,7 +6,7 @@
extern "C" {
#endif
#define NUM_CORES_MAX 16
#define NUM_CORES_MAX 32
#define MIN(a, b) ((a) < (b) ? (a) : (b))
@@ -71,7 +71,7 @@ void vx_spawn_tasks(int num_tasks, pfn_callback callback , void * args) {
int nC = (num_tasks > WT) ? (num_tasks / WT) : 1;
int nc = MIN(nC, NC);
if (core_id >= nc)
return; // terminate unused cores
return; // terminate extra cores
// number of tasks per core
int tasks_per_core = num_tasks / nc;
@@ -94,7 +94,7 @@ void vx_spawn_tasks(int num_tasks, pfn_callback callback , void * args) {
g_wspawn_args[core_id] = &wspawn_args;
//--
if (nW > 1) {
if (nW >= 1) {
int nw = MIN(nW, NW);
vx_wspawn(nw, (unsigned)&spawn_tasks_callback);
spawn_tasks_callback();