/usr/local/lib64/python3.6/site-packages/torch/include/c10/util
Edit: /usr/local/lib64/python3.6/site-packages/torch/include/c10/util/Unroll.h (667B)
#pragma once
#include
// Utility to guaruntee complete unrolling of a loop where the bounds are known
// at compile time. Various pragmas achieve similar effects, but are not as
// portable across compilers.
// Example: c10::ForcedUnroll<4>{}(f); is equivalent to f(0); f(1); f(2); f(3);
namespace c10 {
template
struct ForcedUnroll {
template
C10_ALWAYS_INLINE void operator()(const Func& f) const {
ForcedUnroll{}(f);
f(n - 1);
}
};
template <>
struct ForcedUnroll<1> {
template
C10_ALWAYS_INLINE void operator()(const Func& f) const {
f(0);
}
};
} // namespace c10