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7 years ago · 171a0e2b42
parent 5377edd282
commit 171a0e2b42
1 changed files with 1 additions and 0 deletions
--- a/paddle/fluid/operators/gru_op.cc
+++ b/paddle/fluid/operators/gru_op.cc
@ -276,6 +276,7 @@ class GRUCPUKernel : public framework::OpKernel<T> {
        context.Attr<std::string>("gate_activation"));

 #ifdef PADDLE_WITH_MKLML
+    // use MKL packed to speedup GEMM
    if (FLAGS_paddle_num_threads >= 4) {
      auto blas = math::GetBlas<DeviceContext, T>(dev_ctx);
      T* packed_gate = blas.GEMM_ALLOC(CblasBMatrix, 1 /*height of C*/,