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Fixed the tensor benchmarks on apple devices

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This commit is contained in:
Benoit Steiner 2016-01-28 21:08:07 -08:00
parent 10bea90c4a
commit e4f83bae5d
1 changed files with 15 additions and 0 deletions
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15
bench/tensors/benchmark_main.cc
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@ -49,12 +49,27 @@ static int Round(int n) {
}
return 10*base;
}
#ifdef __APPLE__
#include <mach/mach_time.h>
static mach_timebase_info_data_t g_time_info;
static void __attribute__((constructor)) init_info() {
mach_timebase_info(&g_time_info);
}
#endif
static int64_t NanoTime() {
#if defined(__APPLE__)
uint64_t t = mach_absolute_time();
return t * g_time_info.numer / g_time_info.denom;
#else
struct timespec t;
t.tv_sec = t.tv_nsec = 0;
clock_gettime(CLOCK_MONOTONIC, &t);
return static_cast<int64_t>(t.tv_sec) * 1000000000LL + t.tv_nsec;
#endif
}
namespace testing {
Benchmark* Benchmark::Arg(int arg) {
args_.push_back(arg);