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#if defined(__SSE3__)
#include <immintrin.h>
#include "caffe2/core/common.h"
#include "caffe2/core/init.h"
C10_DEFINE_int(
caffe2_ftz,
false,
"If true, turn on flushing denormals to zero (FTZ)");
C10_DEFINE_int(
caffe2_daz,
false,
"If true, turn on replacing denormals loaded from memory with zero (DAZ)");
namespace caffe2 {
bool Caffe2SetDenormals(int*, char***) {
if (FLAGS_caffe2_ftz) {
VLOG(1) << "Setting FTZ";
_MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
}
if (FLAGS_caffe2_daz) {
VLOG(1) << "Setting DAZ";
_MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);
}
return true;
}
REGISTER_CAFFE2_INIT_FUNCTION(
Caffe2SetDenormals,
&Caffe2SetDenormals,
"Set denormal settings.");
} // namespace caffe2
#endif
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