fix some warning

717e1252 · Luo Tao · ba4322f4 · 717e1252
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paddle/platform/for_range.h paddle/platform/for_range.h +1 -1

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--- a/paddle/platform/for_range.h
+++ b/paddle/platform/for_range.h
@@ -62,7 +62,7 @@ struct ForRange<CUDADeviceContext> {
  template <typename Function>
  inline void operator()(Function func) const {
-    constexpr size_t num_threads = 1024;
+    constexpr int num_threads = 1024;
    int block_size = limit_ <= num_threads ? limit_ : num_threads;
    int grid_size = (limit_ + num_threads - 1) / num_threads;