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fixed global obejct sharing between cores

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This commit is contained in:
Blaise Tine
2020-12-24 19:36:07 -05:00
parent 703a861fe9
commit 4f689c4ce9
46 changed files with 6710 additions and 6792 deletions
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44
runtime/src/vx_spawn.c
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@@ -6,35 +6,61 @@
extern "C" {
#endif
#define NUM_CORES_MAX 8
typedef struct {
func_t function;
void * arguments;
int nthreads;
} spawn_t;
spawn_t* g_spawn = NULL;
spawn_t* g_spawn[NUM_CORES_MAX];
void spawn_warp_runonce() {
void spawn_warp_all() {
// active all threads
vx_tmc(g_spawn->nthreads);
int num_threads = vx_num_threads();
vx_tmc(num_threads);
int core_id = vx_core_id();
spawn_t* p_spawn = g_spawn[core_id];
// call user routine
g_spawn->function(g_spawn->arguments);
p_spawn->function(p_spawn->arguments);
// resume single-thread execution on exit
// resume single-warp execution on exit
int wid = vx_warp_id();
unsigned tmask = (0 == wid) ? 0x1 : 0x0;
vx_tmc(tmask);
}
void spawn_warp_threads(int num_threads) {
// active all threads
vx_tmc(num_threads);
int core_id = vx_core_id();
spawn_t* p_spawn = g_spawn[core_id];
// call user routine
p_spawn->function(p_spawn->arguments);
// resume single-warp execution on exit
int wid = vx_warp_id();
unsigned tmask = (0 == wid) ? 0x1 : 0x0;
vx_tmc(tmask);
}
void vx_spawn_warps(int num_warps, int num_threads, func_t func_ptr , void * args) {
spawn_t spawn = { func_ptr, args, num_threads };
g_spawn = &spawn;
int core_id = vx_core_id();
if (core_id >= NUM_CORES_MAX)
return;
spawn_t spawn = { func_ptr, args, num_threads };
g_spawn[core_id] = &spawn;
if (num_warps > 1) {
vx_wspawn(num_warps, (unsigned)spawn_warp_runonce);
vx_wspawn(num_warps, (unsigned)spawn_warp_all);
}
spawn_warp_runonce();
spawn_warp_threads(num_threads);
}
#ifdef __cplusplus