get_physical_cpu_count api family (#4302)

* get_physical_cpu_count api family * set default to physical big cpu * always treat smt core as big core * is_smt_cpu * get max freq mhz on windows * windows thread affinity
Tencent · Oct 31, 2022 · b853b3d · b853b3d
1 parent 9c6f110
commit b853b3d
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Showing 4 changed files with 359 additions and 6 deletions.
diff --git a/benchmark/benchncnn.cpp b/benchmark/benchncnn.cpp
@@ -161,8 +161,8 @@ void benchmark(const char* comment, const ncnn::Mat& _in, const ncnn::Option& op
 int main(int argc, char** argv)
 {
     int loop_count = 4;
-    int num_threads = ncnn::get_cpu_count();
-    int powersave = 0;
+    int num_threads = ncnn::get_physical_big_cpu_count();
+    int powersave = 2;
     int gpu_device = -1;
     int cooling_down = 1;