Merge pull request #13140 from dzhwinter/windows/inference_api

modify the timer

Author: luotao1

paddle/fluid/inference/api/api_impl.cc

@@ -12,7 +12,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. */
 
-#include <sys/time.h>
 #include <algorithm>
 #include <map>
 #include <set>
@@ -23,32 +22,14 @@ limitations under the License. */
 
 #include "paddle/fluid/framework/feed_fetch_method.h"
 #include "paddle/fluid/inference/api/api_impl.h"
+#include "paddle/fluid/inference/api/timer.h"
 #include "paddle/fluid/platform/profiler.h"
 
 DEFINE_bool(profile, false, "Turn on profiler for fluid");
 
 namespace paddle {
 namespace {
-
-// Timer for timer
-class Timer {
- public:
-  double start;
-  double startu;
-  void tic() {
-    struct timeval tp;
-    gettimeofday(&tp, NULL);
-    start = tp.tv_sec;
-    startu = tp.tv_usec;
-  }
-  double toc() {
-    struct timeval tp;
-    gettimeofday(&tp, NULL);
-    double used_time_ms =
-        (tp.tv_sec - start) * 1000.0 + (tp.tv_usec - startu) / 1000.0;
-    return used_time_ms;
-  }
-};
+using paddle::inference::Timer;
 
 template <class T>
 std::string num2str(T a) {
@@ -80,7 +61,7 @@ void NativePaddlePredictor::PrepareFeedFetch() {
 bool NativePaddlePredictor::Init(
     std::shared_ptr<framework::Scope> parent_scope) {
   VLOG(3) << "Predictor::init()";
-
+#if !defined(_WIN32)
   if (FLAGS_profile) {
     LOG(WARNING) << "Profiler is actived, might affect the performance";
     LOG(INFO) << "You can turn off by set gflags '-profile false'";
@@ -89,6 +70,7 @@ bool NativePaddlePredictor::Init(
                                            : platform::ProfilerState::kCPU;
     platform::EnableProfiler(tracking_device);
   }
+#endif
 
   if (config_.use_gpu) {
     place_ = paddle::platform::CUDAPlace(config_.device);
@@ -133,10 +115,12 @@ bool NativePaddlePredictor::Init(
 }
 
 NativePaddlePredictor::~NativePaddlePredictor() {
+#if !defined(_WIN32)
   if (FLAGS_profile) {
     platform::DisableProfiler(platform::EventSortingKey::kTotal,
                               "./profile.log");
   }
+#endif
   if (sub_scope_) {
     scope_->DeleteScope(sub_scope_);
   }

paddle/fluid/inference/api/helper.h

@@ -16,35 +16,15 @@
 
 #include <sys/time.h>
 #include <algorithm>
-#include <numeric>
 #include <sstream>
 #include <string>
 #include <vector>
 #include "paddle/fluid/inference/api/paddle_inference_api.h"
+#include "paddle/fluid/inference/api/timer.h"
 
 namespace paddle {
 namespace inference {
 
-// Timer for timer
-class Timer {
- public:
-  double start;
-  double startu;
-  void tic() {
-    struct timeval tp;
-    gettimeofday(&tp, NULL);
-    start = tp.tv_sec;
-    startu = tp.tv_usec;
-  }
-  double toc() {
-    struct timeval tp;
-    gettimeofday(&tp, NULL);
-    double used_time_ms =
-        (tp.tv_sec - start) * 1000.0 + (tp.tv_usec - startu) / 1000.0;
-    return used_time_ms;
-  }
-};
-
 static void split(const std::string &str, char sep,
                   std::vector<std::string> *pieces) {
   pieces->clear();

paddle/fluid/inference/api/timer.h

@@ -0,0 +1,39 @@
+// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#pragma once
+
+#include <chrono>  // NOLINT
+
+namespace paddle {
+namespace inference {
+
+// Timer for timer
+class Timer {
+ public:
+  std::chrono::high_resolution_clock::time_point start;
+  std::chrono::high_resolution_clock::time_point startu;
+
+  void tic() { start = std::chrono::high_resolution_clock::now(); }
+  double toc() {
+    startu = std::chrono::high_resolution_clock::now();
+    std::chrono::duration<double> time_span =
+        std::chrono::duration_cast<std::chrono::duration<double>>(startu -
+                                                                  start);
+    double used_time_ms = static_cast<double>(time_span.count()) * 1000.0;
+    return used_time_ms;
+  }
+};
+
+}  // namespace inference
+}  // namespace paddle