}
#if defined(_WIN32)
- {
- GROUP_AFFINITY affinity = {};
- affinity.Group = procGroupId;
+
+ GROUP_AFFINITY affinity = {};
+ affinity.Group = procGroupId;
#if !defined(_WIN64)
- if (threadId >= 32)
- {
- // Hopefully we don't get here. Logic in CreateThreadPool should prevent this.
- SWR_REL_ASSERT(false, "Shouldn't get here");
+ if (threadId >= 32)
+ {
+ // Hopefully we don't get here. Logic in CreateThreadPool should prevent this.
+ SWR_REL_ASSERT(false, "Shouldn't get here");
- // In a 32-bit process on Windows it is impossible to bind
- // to logical processors 32-63 within a processor group.
- // In this case set the mask to 0 and let the system assign
- // the processor. Hopefully it will make smart choices.
- affinity.Mask = 0;
- }
- else
+ // In a 32-bit process on Windows it is impossible to bind
+ // to logical processors 32-63 within a processor group.
+ // In this case set the mask to 0 and let the system assign
+ // the processor. Hopefully it will make smart choices.
+ affinity.Mask = 0;
+ }
+ else
#endif
+ {
+ // If KNOB_MAX_WORKER_THREADS is set, only bind to the proc group,
+ // Not the individual HW thread.
+ if (!KNOB_MAX_WORKER_THREADS)
{
- // If KNOB_MAX_WORKER_THREADS is set, only bind to the proc group,
- // Not the individual HW thread.
- if (!KNOB_MAX_WORKER_THREADS)
- {
- affinity.Mask = KAFFINITY(1) << threadId;
- }
+ affinity.Mask = KAFFINITY(1) << threadId;
}
-
- SetThreadGroupAffinity(GetCurrentThread(), &affinity, nullptr);
}
+
+ SetThreadGroupAffinity(GetCurrentThread(), &affinity, nullptr);
+
#elif defined(__CYGWIN__)
// do nothing
#else
+
cpu_set_t cpuset;
pthread_t thread = pthread_self();
CPU_ZERO(&cpuset);
CPU_SET(threadId, &cpuset);
pthread_setaffinity_np(thread, sizeof(cpu_set_t), &cpuset);
+
#endif
}