Add LinearStdAllocator (81a1d2a1) · Commits · e / os / android_frameworks_base

libs/hwui/Android.mk

+2 −1

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		@@ -254,6 +254,7 @@ LOCAL_WHOLE_STATIC_LIBRARIES := libhwui_static
		LOCAL_STATIC_LIBRARIES := libbenchmark libbase

		LOCAL_SRC_FILES += \
		microbench/DisplayListCanvasBench.cpp
		microbench/DisplayListCanvasBench.cpp \
		microbench/LinearAllocatorBench.cpp

		include $(BUILD_EXECUTABLE)

libs/hwui/DisplayListCanvas.h

+1 −2

Original line number	Diff line number	Diff line
		@@ -66,8 +66,7 @@ public:
		virtual ~DisplayListCanvas();

		void reset(int width, int height);

		DisplayListData* finishRecording();
		__attribute__((warn_unused_result)) DisplayListData* finishRecording();

		// ----------------------------------------------------------------------------
		// HWUI Canvas state operations

libs/hwui/RecordingCanvas.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -41,7 +41,7 @@ public:
		virtual ~RecordingCanvas();

		void reset(int width, int height);
		DisplayListData* finishRecording();
		__attribute__((warn_unused_result)) DisplayListData* finishRecording();

		// ----------------------------------------------------------------------------
		// MISC HWUI OPERATIONS - TODO: CATEGORIZE

libs/hwui/microbench/DisplayListCanvasBench.cpp

+6 −7

Original line number	Diff line number	Diff line
		@@ -15,7 +15,6 @@
		*/

		#include <benchmark/Benchmark.h>
		#include <utils/Singleton.h>

		#include "DisplayList.h"
		#if HWUI_NEW_OPS
		@@ -59,13 +58,13 @@ void BM_DisplayListData_alloc_theoretical::Run(int iters) {
		BENCHMARK_NO_ARG(BM_DisplayListCanvas_record_empty);
		void BM_DisplayListCanvas_record_empty::Run(int iters) {
		TestCanvas canvas(100, 100);
		canvas.finishRecording();
		delete canvas.finishRecording();

		StartBenchmarkTiming();
		for (int i = 0; i < iters; ++i) {
		canvas.reset(100, 100);
		MicroBench::DoNotOptimize(&canvas);
		canvas.finishRecording();
		delete canvas.finishRecording();
		}
		StopBenchmarkTiming();
		}
		@@ -73,7 +72,7 @@ void BM_DisplayListCanvas_record_empty::Run(int iters) {
		BENCHMARK_NO_ARG(BM_DisplayListCanvas_record_saverestore);
		void BM_DisplayListCanvas_record_saverestore::Run(int iters) {
		TestCanvas canvas(100, 100);
		canvas.finishRecording();
		delete canvas.finishRecording();

		StartBenchmarkTiming();
		for (int i = 0; i < iters; ++i) {
		@@ -83,7 +82,7 @@ void BM_DisplayListCanvas_record_saverestore::Run(int iters) {
		MicroBench::DoNotOptimize(&canvas);
		canvas.restore();
		canvas.restore();
		canvas.finishRecording();
		delete canvas.finishRecording();
		}
		StopBenchmarkTiming();
		}
		@@ -91,14 +90,14 @@ void BM_DisplayListCanvas_record_saverestore::Run(int iters) {
		BENCHMARK_NO_ARG(BM_DisplayListCanvas_record_translate);
		void BM_DisplayListCanvas_record_translate::Run(int iters) {
		TestCanvas canvas(100, 100);
		canvas.finishRecording();
		delete canvas.finishRecording();

		StartBenchmarkTiming();
		for (int i = 0; i < iters; ++i) {
		canvas.reset(100, 100);
		canvas.scale(10, 10);
		MicroBench::DoNotOptimize(&canvas);
		canvas.finishRecording();
		delete canvas.finishRecording();
		}
		StopBenchmarkTiming();
		}

libs/hwui/microbench/LinearAllocatorBench.cpp

0 → 100644

+53 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2015 The Android Open Source Project
		*
		* 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.
		*/

		#include <benchmark/Benchmark.h>

		#include "utils/LinearAllocator.h"
		#include "microbench/MicroBench.h"

		#include <vector>

		using namespace android;
		using namespace android::uirenderer;

		BENCHMARK_NO_ARG(BM_LinearStdAllocator_vectorBaseline);
		void BM_LinearStdAllocator_vectorBaseline::Run(int iters) {
		StartBenchmarkTiming();
		for (int i = 0; i < iters; i++) {
		std::vector<char> v;
		for (int j = 0; j < 200; j++) {
		v.push_back(j);
		}
		MicroBench::DoNotOptimize(&v);
		}
		StopBenchmarkTiming();
		}

		BENCHMARK_NO_ARG(BM_LinearStdAllocator_vector);
		void BM_LinearStdAllocator_vector::Run(int iters) {
		StartBenchmarkTiming();
		for (int i = 0; i < iters; i++) {
		LinearAllocator la;
		LinearStdAllocator<void*> stdAllocator(la);
		std::vector<char, LinearStdAllocator<char> > v(stdAllocator);
		for (int j = 0; j < 200; j++) {
		v.push_back(j);
		}
		MicroBench::DoNotOptimize(&v);
		}
		StopBenchmarkTiming();
		}