Function SeqFor

oneflow/core/thread/thread_runtime.h:43–43

using CallableT = std::function<void(int64_t, int64_t)>;

void SeqFor(int64_t begin, int64_t end, const CallableT& func) { func(begin, end); }

size_t DivUp(size_t x, size_t y) { return (x + y - 1) / y; }