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Added Signalling Operations

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This commit is contained in:
Yiltan Temucin
2024-11-20 15:42:53 -06:00
parent 308816bc5e
commit d8f44e4436
9 changed files with 425 additions and 0 deletions
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src/ipc/context_ipc_device.cpp
+105
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@@ -222,4 +222,109 @@ __device__ void IPCContext::internal_getmem_wave(void *dest,
ipcImpl_.ipcFence();
}
__device__ void IPCContext::putmem_signal(void *dest, const void *source, size_t nelems,
uint64_t *sig_addr, uint64_t signal, int sig_op,
int pe) {
putmem(dest, source, nelems, pe);
fence();
switch (sig_op) {
case ROC_SHMEM_SIGNAL_SET:
amo_set<uint64_t>(static_cast<void*>(sig_addr), signal, pe);
break;
case ROC_SHMEM_SIGNAL_ADD:
amo_add<uint64_t>(static_cast<void*>(dest), signal, pe);
break;
default:
DPRINTF("[%s] Invalid sig_op value (%d)\n", __func__, sig_op);
break;
}
}
__device__ void IPCContext::putmem_signal_wg(void *dest, const void *source, size_t nelems,
uint64_t *sig_addr, uint64_t signal, int sig_op,
int pe) {
putmem_wg(dest, source, nelems, pe);
fence();
if (is_thread_zero_in_block()) {
switch (sig_op) {
case ROC_SHMEM_SIGNAL_SET:
amo_set<uint64_t>(static_cast<void*>(sig_addr), signal, pe);
break;
case ROC_SHMEM_SIGNAL_ADD:
amo_add<uint64_t>(static_cast<void*>(dest), signal, pe);
break;
default:
DPRINTF("[%s] Invalid sig_op value (%d)\n", __func__, sig_op);
break;
}
}
}
__device__ void IPCContext::putmem_signal_wave(void *dest, const void *source, size_t nelems,
uint64_t *sig_addr, uint64_t signal, int sig_op,
int pe) {
putmem_wave(dest, source, nelems, pe);
fence();
if (is_thread_zero_in_wave()) {
switch (sig_op) {
case ROC_SHMEM_SIGNAL_SET:
amo_set<uint64_t>(static_cast<void*>(sig_addr), signal, pe);
break;
case ROC_SHMEM_SIGNAL_ADD:
amo_add<uint64_t>(static_cast<void*>(dest), signal, pe);
break;
default:
DPRINTF("[%s] Invalid sig_op value (%d)\n", __func__, sig_op);
break;
}
}
}
__device__ void IPCContext::putmem_signal_nbi(void *dest, const void *source, size_t nelems,
uint64_t *sig_addr, uint64_t signal, int sig_op,
int pe) {
putmem_signal(dest, source, nelems, sig_addr, signal, sig_op, pe);
}
__device__ void IPCContext::putmem_signal_nbi_wg(void *dest, const void *source, size_t nelems,
uint64_t *sig_addr, uint64_t signal, int sig_op,
int pe) {
putmem_signal_wg(dest, source, nelems, sig_addr, signal, sig_op, pe);
}
__device__ void IPCContext::putmem_signal_nbi_wave(void *dest, const void *source, size_t nelems,
uint64_t *sig_addr, uint64_t signal, int sig_op,
int pe) {
putmem_signal_wave(dest, source, nelems, sig_addr, signal, sig_op, pe);
}
__device__ uint64_t IPCContext::signal_fetch(const uint64_t *sig_addr) {
uint64_t *dst = const_cast<uint64_t*>(sig_addr);
return amo_fetch_add<uint64_t>(static_cast<void*>(dst), 0, my_pe);
}
__device__ uint64_t IPCContext::signal_fetch_wg(const uint64_t *sig_addr) {
__shared__ uint64_t value;
if (is_thread_zero_in_block()) {
uint64_t *dst = const_cast<uint64_t*>(sig_addr);
value = amo_fetch_add<uint64_t>(static_cast<void*>(dst), 0, my_pe);
}
__threadfence_block();
return value;
}
__device__ uint64_t IPCContext::signal_fetch_wave(const uint64_t *sig_addr) {
uint64_t value;
if (is_thread_zero_in_wave()) {
uint64_t *dst = const_cast<uint64_t*>(sig_addr);
value = amo_fetch_add<uint64_t>(static_cast<void*>(dst), 0, my_pe);
}
__threadfence_block();
value = __shfl(value, 0);
return value;
}
} // namespace rocshmem