Make the XLA CpuTransferManager reflect the fact that the allocator is

synchronous and buffers can be accessed immediately.

PiperOrigin-RevId: 303406287
Change-Id: Ib55caa49b7060e22f9c952cd4d0a7a0ede6dbfb8

tensorflow/compiler/xla/service/cpu/cpu_transfer_manager.h

@@ -44,6 +44,12 @@ class CpuTransferManager : public GenericTransferManager {
                                     const Shape& literal_shape,
                                     MutableBorrowingLiteral literal) override;
 
+  bool CanShapedBufferBeAccessedNow(
+      se::StreamExecutor* executor,
+      const ShapedBuffer& device_buffer) const override {
+    return true;
+  }
+
  private:
   Status TransferBufferToInfeed(se::StreamExecutor* executor, int64 size,
                                 const void* source);