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/*
**
** Copyright 2009, 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.
*/
#define LOG_TAG "StopWatch"
#include <stdlib.h>
#include <stdio.h>
#include <utils/StopWatch.h>
#include <utils/Log.h>
#include <ui/GraphicBuffer.h>
#include <ui/GraphicBufferMapper.h>
using namespace android;
void* lamecpy(void* d, void const* s, size_t size) {
char* dst = (char*)d;
char const* src = (char const*)s;
while (size) {
*dst++ = *src++;
size--;
}
return d;
}
int main(int argc, char** argv)
{
size_t size = 128*256*4;
void* temp = malloc(size);
void* temp2 = malloc(size);
memset(temp, 0, size);
memset(temp2, 0, size);
sp<GraphicBuffer> buffer = new GraphicBuffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888,
GRALLOC_USAGE_SW_READ_OFTEN |
GRALLOC_USAGE_SW_WRITE_OFTEN);
status_t err = buffer->initCheck();
if (err != NO_ERROR) {
printf("%s\n", strerror(-err));
return 0;
}
void* vaddr;
buffer->lock(
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
&vaddr);
{
StopWatch watch("memset");
for (int i=0 ; i<10 ; i++)
memset(vaddr, 0, size);
}
{
StopWatch watch("memcpy baseline");
for (int i=0 ; i<10 ; i++)
memcpy(temp, temp2, size);
}
{
StopWatch watch("memcpy from gralloc");
for (int i=0 ; i<10 ; i++)
memcpy(temp, vaddr, size);
}
{
StopWatch watch("memcpy into gralloc");
for (int i=0 ; i<10 ; i++)
memcpy(vaddr, temp, size);
}
{
StopWatch watch("lamecpy baseline");
for (int i=0 ; i<10 ; i++)
lamecpy(temp, temp2, size);
}
{
StopWatch watch("lamecpy from gralloc");
for (int i=0 ; i<10 ; i++)
lamecpy(temp, vaddr, size);
}
{
StopWatch watch("lamecpy into gralloc");
for (int i=0 ; i<10 ; i++)
lamecpy(vaddr, temp, size);
}
buffer->unlock();
return 0;
}
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