Merge pull request #14287 from tensor-tang/v1.1/avxfix

cherry pick avxfix to 1.1

cmake/configure.cmake

@@ -50,11 +50,7 @@ if(NOT WITH_PROFILER)
 endif(NOT WITH_PROFILER)
 
 if(NOT CMAKE_CROSSCOMPILING)
-    if(WITH_AVX AND AVX512F_FOUND)
-        set(SIMD_FLAG ${AVX512F_FLAG})
-    elseif(WITH_AVX AND AVX2_FOUND)
-        set(SIMD_FLAG ${AVX2_FLAG})
-    elseif(WITH_AVX AND AVX_FOUND)
+    if(WITH_AVX AND AVX_FOUND)
         set(SIMD_FLAG ${AVX_FLAG})
     elseif(SSE3_FOUND)
         set(SIMD_FLAG ${SSE3_FLAG})

paddle/fluid/platform/init.cc

@@ -116,21 +116,51 @@ void InitDevices(bool init_p2p, const std::vector<int> devices) {
   platform::SetNumThreads(FLAGS_paddle_num_threads);
 #endif
 
-  if (platform::jit::MayIUse(platform::jit::avx512f)) {
-#ifndef __AVX512F__
-    LOG(WARNING) << "AVX512F is available, Please re-compile on local machine";
+#if !defined(_WIN32) && !defined(__APPLE__) && !defined(__OSX__)
+  if (platform::jit::MayIUse(platform::jit::avx)) {
+#ifndef __AVX__
+    LOG(WARNING) << "AVX is available, Please re-compile on local machine";
 #endif
   }
-  if (platform::jit::MayIUse(platform::jit::avx2)) {
-#ifndef __AVX2__
-    LOG(WARNING) << "AVX2 is available, Please re-compile on local machine";
+
+// Throw some informations when CPU instructions mismatch.
+#define AVX_GUIDE(compiletime, runtime)                                     \
+  LOG(FATAL)                                                                \
+      << "This version is compiled on higher instruction(" #compiletime     \
+         ") system, you may encounter illegal instruction error running on" \
+         " your local CPU machine. Please reinstall the " #runtime          \
+         " version or compile from source code."
+
+#ifdef __AVX512F__
+  if (!platform::jit::MayIUse(platform::jit::avx512f)) {
+    if (platform::jit::MayIUse(platform::jit::avx2)) {
+      AVX_GUIDE(AVX512, AVX2);
+    } else if (platform::jit::MayIUse(platform::jit::avx)) {
+      AVX_GUIDE(AVX512, AVX);
+    } else {
+      AVX_GUIDE(AVX512, NonAVX);
+    }
+  }
 #endif
+
+#ifdef __AVX2__
+  if (!platform::jit::MayIUse(platform::jit::avx2)) {
+    if (platform::jit::MayIUse(platform::jit::avx)) {
+      AVX_GUIDE(AVX2, AVX);
+    } else {
+      AVX_GUIDE(AVX2, NonAVX);
+    }
   }
-  if (platform::jit::MayIUse(platform::jit::avx)) {
-#ifndef __AVX__
-    LOG(WARNING) << "AVX is available, Please re-compile on local machine";
 #endif
+
+#ifdef __AVX__
+  if (!platform::jit::MayIUse(platform::jit::avx)) {
+    AVX_GUIDE(AVX, NonAVX);
   }
+#endif
+#undef AVX_GUIDE
+
+#endif
 }
 
 void InitGLOG(const std::string &prog_name) {