mirror of
https://github.com/zebrajr/pytorch.git
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ac146c4820
Summary: 1. Added CudaFusionGuard as the custom TypeCheck for nvfuser; enabled dynamic shape support with profiling executor; 2. dropped support for legacy fuser; 3. re-enabled nvfuser tests; 4. added registration for profiling record to allow profiling on user specified nodes. Pull Request resolved: https://github.com/pytorch/pytorch/pull/46452 Reviewed By: zou3519, anjali411 Differential Revision: D24364642 Pulled By: ngimel fbshipit-source-id: daf53a9a6b6636e1ede420a3a6d0397d4a8b450b
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
#include <torch/csrc/jit/codegen/cuda/instrumentation.h>
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#include <torch/csrc/WindowsTorchApiMacro.h>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <pthread.h>
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#include <unistd.h>
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#endif
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namespace torch {
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namespace jit {
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namespace fuser {
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namespace cuda {
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namespace inst {
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Trace::Trace() {
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const char* trace_filename = getenv("PYTORCH_CUDA_FUSER_TRACE");
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if (trace_filename != nullptr) {
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log_file_ = fopen(trace_filename, "w");
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TORCH_CHECK(log_file_ != nullptr, "Can't open trace file");
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// Disable the file stream buffering, since it may result
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// in torn writes in multi-threaded tracing
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setbuf(log_file_, nullptr);
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// Print the trace prologue
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// (including a dummy TRACE_START event)
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fprintf(log_file_, "{\n\"traceEvents\": [\n");
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start_timestamp_ = Clock::now();
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logEvent('I', "TRACE_START");
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}
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}
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Trace::~Trace() {
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if (log_file_ != nullptr) {
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// Print trace epilogue
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logEvent('I', "TRACE_END", ' ');
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fprintf(log_file_, "],\n\"displayTimeUnit\": \"ms\"\n}\n");
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fclose(log_file_);
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}
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}
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void Trace::logEvent(char ph, const char* name, char sep) {
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const std::chrono::duration<double> d = Clock::now() - start_timestamp_;
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const double elapsed = d.count() * 1e6;
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#ifdef _WIN32
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const unsigned int pid = GetCurrentProcessId();
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const unsigned int tid = GetCurrentThreadId();
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#else
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const unsigned int pid = getpid();
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const unsigned int tid = std::hash<pthread_t>{}(pthread_self());
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#endif // _WIN32
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fprintf(
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log_file_,
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"{ \"name\": \"%s\", \"ph\": \"%c\", \"pid\": %u, \"tid\": %u, \"ts\": %.0f }%c\n",
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name,
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ph,
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pid,
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tid,
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elapsed,
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sep);
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}
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} // namespace inst
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} // namespace cuda
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} // namespace fuser
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} // namespace jit
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} // namespace torch
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