111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
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/*
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**
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** Copyright 2009, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "StopWatch"
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#include <stdlib.h>
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#include <stdio.h>
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#include <utils/StopWatch.h>
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#include <utils/Log.h>
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#include <ui/GraphicBuffer.h>
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#include <ui/GraphicBufferMapper.h>
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using namespace android;
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void* lamecpy(void* d, void const* s, size_t size) {
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char* dst = (char*)d;
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char const* src = (char const*)s;
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while (size) {
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*dst++ = *src++;
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size--;
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}
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return d;
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}
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int main(int argc, char** argv)
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{
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size_t size = 128*256*4;
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void* temp = malloc(size);
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void* temp2 = malloc(size);
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memset(temp, 0, size);
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memset(temp2, 0, size);
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sp<GraphicBuffer> buffer = new GraphicBuffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888,
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GRALLOC_USAGE_SW_READ_OFTEN |
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GRALLOC_USAGE_SW_WRITE_OFTEN);
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status_t err = buffer->initCheck();
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if (err != NO_ERROR) {
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printf("%s\n", strerror(-err));
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return 0;
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}
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void* vaddr;
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buffer->lock(
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GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
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&vaddr);
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{
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StopWatch watch("memset");
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for (int i=0 ; i<10 ; i++)
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memset(vaddr, 0, size);
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}
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{
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StopWatch watch("memcpy baseline");
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for (int i=0 ; i<10 ; i++)
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memcpy(temp, temp2, size);
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}
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{
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StopWatch watch("memcpy from gralloc");
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for (int i=0 ; i<10 ; i++)
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memcpy(temp, vaddr, size);
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}
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{
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StopWatch watch("memcpy into gralloc");
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for (int i=0 ; i<10 ; i++)
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memcpy(vaddr, temp, size);
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}
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{
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StopWatch watch("lamecpy baseline");
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for (int i=0 ; i<10 ; i++)
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lamecpy(temp, temp2, size);
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}
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{
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StopWatch watch("lamecpy from gralloc");
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for (int i=0 ; i<10 ; i++)
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lamecpy(temp, vaddr, size);
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}
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{
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StopWatch watch("lamecpy into gralloc");
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for (int i=0 ; i<10 ; i++)
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lamecpy(vaddr, temp, size);
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}
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buffer->unlock();
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return 0;
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}
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