1 /* 2 ** 3 ** Copyright 2009, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #define LOG_TAG "StopWatch" 19 20 #include <stdlib.h> 21 #include <stdio.h> 22 #include <utils/StopWatch.h> 23 #include <utils/Log.h> 24 25 #include <ui/GraphicBuffer.h> 26 #include <ui/GraphicBufferMapper.h> 27 28 using namespace android; 29 30 void* lamecpy(void* d, void const* s, size_t size) { 31 char* dst = (char*)d; 32 char const* src = (char const*)s; 33 while (size) { 34 *dst++ = *src++; 35 size--; 36 } 37 return d; 38 } 39 40 int main(int argc, char** argv) 41 { 42 size_t size = 128*256*4; 43 void* temp = malloc(size); 44 void* temp2 = malloc(size); 45 memset(temp, 0, size); 46 memset(temp2, 0, size); 47 48 49 sp<GraphicBuffer> buffer = new GraphicBuffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888, 50 GRALLOC_USAGE_SW_READ_OFTEN | 51 GRALLOC_USAGE_SW_WRITE_OFTEN); 52 53 status_t err = buffer->initCheck(); 54 if (err != NO_ERROR) { 55 printf("%s\n", strerror(-err)); 56 return 0; 57 } 58 59 void* vaddr; 60 buffer->lock( 61 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN, 62 &vaddr); 63 64 { 65 StopWatch watch("memset"); 66 for (int i=0 ; i<10 ; i++) 67 memset(vaddr, 0, size); 68 } 69 70 { 71 StopWatch watch("memcpy baseline"); 72 for (int i=0 ; i<10 ; i++) 73 memcpy(temp, temp2, size); 74 } 75 76 { 77 StopWatch watch("memcpy from gralloc"); 78 for (int i=0 ; i<10 ; i++) 79 memcpy(temp, vaddr, size); 80 } 81 82 { 83 StopWatch watch("memcpy into gralloc"); 84 for (int i=0 ; i<10 ; i++) 85 memcpy(vaddr, temp, size); 86 } 87 88 89 { 90 StopWatch watch("lamecpy baseline"); 91 for (int i=0 ; i<10 ; i++) 92 lamecpy(temp, temp2, size); 93 } 94 95 { 96 StopWatch watch("lamecpy from gralloc"); 97 for (int i=0 ; i<10 ; i++) 98 lamecpy(temp, vaddr, size); 99 } 100 101 { 102 StopWatch watch("lamecpy into gralloc"); 103 for (int i=0 ; i<10 ; i++) 104 lamecpy(vaddr, temp, size); 105 } 106 107 buffer->unlock(); 108 109 return 0; 110 } 111
