YujiOshima commented on a change in pull request #8722: Profiler: set cpu/gpu
num during execution
URL: https://github.com/apache/incubator-mxnet/pull/8722#discussion_r152521064
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File path: src/engine/profiler.cc
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@@ -45,12 +50,11 @@ Profiler::Profiler()
: state_(kNotRunning), enable_output_(false), filename_("profile.json") {
this->init_time_ = NowInUsec();
- // TODO(ziheng) get device number during execution
- int kMaxNumCpus = 64;
- this->cpu_num_ = kMaxNumCpus;
+ this->cpu_num_ = std::thread::hardware_concurrency();
#if MXNET_USE_CUDA
- int kMaxNumGpus = 32;
- this->gpu_num_ = kMaxNumGpus;
+ int gpu_num = 0;
+ CUDA_CALL(cudaGetDeviceCount(&gpu_num));
Review comment:
@piiswrong Thank you for your comment.
I understood the purpose of using the constant number.
How about dynamically setting only the number of CPUs?
More than 64 CPUs are not ordinary but not impossible.
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