areusch commented on a change in pull request #7472:
URL: https://github.com/apache/tvm/pull/7472#discussion_r580561767
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File path: src/runtime/cuda/cuda_device_api.cc
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@@ -241,5 +242,28 @@
TVM_REGISTER_GLOBAL("device_api.cpu_pinned").set_body([](TVMArgs args, TVMRetVal
*rv = static_cast<void*>(ptr);
});
+TVM_REGISTER_GLOBAL("profiling.timer.gpu").set_body_typed([](TVMContext ctx) {
+ cudaEvent_t start;
+ cudaEvent_t stop;
+ cudaEventCreate(&start);
+ cudaEventCreate(&stop);
+ cudaEventRecord(start, CUDAThreadEntry::ThreadLocal()->stream);
+ return TypedPackedFunc<TypedPackedFunc<int64_t()>()>(
+ [=]() {
+ cudaEventRecord(stop, CUDAThreadEntry::ThreadLocal()->stream);
+ return TypedPackedFunc<int64_t()>(
+ [=]() -> int64_t {
+ cudaEventSynchronize(stop);
+ float milliseconds = 0;
Review comment:
it matters a lot when the allocator is called relative to the timing
calls, and being able to understand that just from reading the code is quite
valuable
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