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Diffstat (limited to 'backends/platform/psp/tests.cpp')
| -rw-r--r-- | backends/platform/psp/tests.cpp | 565 |
1 files changed, 565 insertions, 0 deletions
diff --git a/backends/platform/psp/tests.cpp b/backends/platform/psp/tests.cpp new file mode 100644 index 0000000000..d1bdb9e640 --- /dev/null +++ b/backends/platform/psp/tests.cpp @@ -0,0 +1,565 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $ + * $Id: osys_psp.cpp 46126 2009-11-24 14:18:46Z fingolfin $ + * + */ + +// PSP speed and unit tests. Activate in tests.h +// You may also want to build without any engines. + +#include "backends/platform/psp/tests.h" + +#if defined (PSP_ENABLE_UNIT_TESTS) || defined (PSP_ENABLE_SPEED_TESTS) + +#include "common/scummsys.h" +#include <pspiofilemgr_fcntl.h> +#include <pspiofilemgr_stat.h> +#include <pspiofilemgr.h> +#include <pspthreadman.h> +#include <pspsdk.h> +#include <psprtc.h> +#include <stdlib.h> +#include <stdio.h> +#include <psputils.h> +#include "backends/platform/psp/rtc.h" +#include "backends/platform/psp/thread.h" +#include "backends/platform/psp/memory.h" + + +#define UNCACHED(x) ((byte *)(((uint32)(x)) | 0x40000000)) /* make an uncached access */ +#define CACHED(x) ((byte *)(((uint32)(x)) & 0xBFFFFFFF)) /* make an uncached access into a cached one */ + +//#define __PSP_DEBUG_FUNCS__ +//#define __PSP_DEBUG_PRINT__ + +// Results: (333Mhz/222Mhz) +// Getting a tick: 1-2 us +// Getting a time structure: 9/14us +// ie. using a tick and just dividing by 1000 saves us time. + +#include "backends/platform/psp/trace.h" + +class PspSpeedTests { +public: + void tickSpeed(); + void getMicrosSpeed(); + void seekSpeed(); + void msReadSpeed(); + void threadFunctionsSpeed(); + void semaphoreSpeed(); + static int threadFunc(SceSize args, void *argp); + void semaphoreManyThreadSpeed(); + void fastCopySpeed(); + +private: + enum { + MEMCPY_BUFFER_SIZE = 8192 + }; + static PspSemaphore _sem; // semaphore + + void readAndTime(uint32 bytes, char *buffer, FILE *file); + void seekAndTime(int bytes, int origin, FILE *file); + void fastCopySpecificSize(byte *dst, byte *src, uint32 bytes); + void fastCopyDifferentSizes(byte *dst, byte *src); + int getThreadIdSpeed(); + void getPrioritySpeed(); + void changePrioritySpeed(int id, int priority); +}; + +PspSemaphore PspSpeedTests::_sem(0); + +void PspSpeedTests::tickSpeed() { + uint32 ticksPerSecond = sceRtcGetTickResolution(); + PSP_INFO_PRINT("ticksPerSecond[%d]\n", ticksPerSecond); + + uint32 currentTicks1[2]; + uint32 currentTicks2[2]; + + sceRtcGetCurrentTick((u64 *)currentTicks1); + sceRtcGetCurrentTick((u64 *)currentTicks2); + PSP_INFO_PRINT("current tick[%x %x][%u %u]\n", currentTicks1[0], currentTicks1[1], currentTicks1[0], currentTicks1[1]); + PSP_INFO_PRINT("current tick[%x %x][%u %u]\n", currentTicks2[0], currentTicks2[1], currentTicks2[0], currentTicks2[1]); + + pspTime time; + sceRtcSetTick(&time, (u64 *)currentTicks2); + PSP_INFO_PRINT("current tick in time, year[%d] month[%d] day[%d] hour[%d] minutes[%d] seconds[%d] us[%d]\n", time.year, time.month, time.day, time.hour, time.minutes, time.seconds, time.microseconds); + + pspTime time1; + pspTime time2; + sceRtcGetCurrentClockLocalTime(&time1); + sceRtcGetCurrentClockLocalTime(&time2); + PSP_INFO_PRINT("time1, year[%d] month[%d] day[%d] hour[%d] minutes[%d] seconds[%d] us[%d]\n", time1.year, time1.month, time1.day, time1.hour, time1.minutes, time1.seconds, time1.microseconds); + PSP_INFO_PRINT("time2, year[%d] month[%d] day[%d] hour[%d] minutes[%d] seconds[%d] us[%d]\n", time2.year, time2.month, time2.day, time2.hour, time2.minutes, time2.seconds, time2.microseconds); +} + +void PspSpeedTests::getMicrosSpeed() { + uint32 time1, time2, time3, time4; + time1 = PspRtc::instance().getMicros(); + time2 = PspRtc::instance().getMicros(); + time3 = PspRtc::instance().getMicros(); + time4 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("getMicros() times: %d, %d, %d\n", time4-time3, time3-time2, time2-time1); +} + +void PspSpeedTests::readAndTime(uint32 bytes, char *buffer, FILE *file) { + uint32 time1 = PspRtc::instance().getMicros(); + // test minimal read + fread(buffer, bytes, 1, file); + uint32 time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("Reading %d byte takes %dus\n", bytes, time2-time1); +} + +/* + 333MHz/222MHz + Reading 1 byte takes 2590us / 3167 + Reading 10 byte takes 8us / 9 + Reading 50 byte takes 8us / 11 + Reading 100 byte takes 8us / 11 + Reading 1000 byte takes 915us / 1131 + Reading 2000 byte takes 1806us / 2,284 + Reading 3000 byte takes 2697us / 3,374 + Reading 5000 byte takes 4551us / 5,544 + Reading 6000 byte takes 5356us / 6,676 + Reading 7000 byte takes 6800us / 8,358 + Reading 8000 byte takes 6794us / 8,454 + Reading 9000 byte takes 6782us / 8,563 + Reading 10000 byte takes 8497us / 10,631 + Reading 30000 byte takes 25995us / 32,473 + Reading 80000 byte takes 68457us / 85,291 + Reading 100000 byte takes 85103us / 106,163 +*/ +// Function to test the impact of MS reads +// These tests can't be done from shell - the cache screws them up +void PspSpeedTests::msReadSpeed() { + FILE *file; + file = fopen("ms0:/psp/music/track1.mp3", "r"); + + char *buffer = (char *)malloc(2 * 1024 * 1024); + + readAndTime(1, buffer, file); + readAndTime(10, buffer, file); + readAndTime(50, buffer, file); + readAndTime(100, buffer, file); + readAndTime(1000, buffer, file); + readAndTime(2000, buffer, file); + readAndTime(3000, buffer, file); + readAndTime(5000, buffer, file); + readAndTime(6000, buffer, file); + readAndTime(7000, buffer, file); + readAndTime(8000, buffer, file); + readAndTime(9000, buffer, file); + readAndTime(10000, buffer, file); + readAndTime(30000, buffer, file); + readAndTime(50000, buffer, file); + readAndTime(80000, buffer, file); + readAndTime(100000, buffer, file); + + fclose(file); + free(buffer); +} + +void PspSpeedTests::seekAndTime(int bytes, int origin, FILE *file) { + char buffer[1000]; + + uint32 time1 = PspRtc::instance().getMicros(); + // test minimal read + fseek(file, bytes, origin); + uint32 time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("Seeking %d byte from %d took %dus\n", bytes, origin, time2-time1); + + time1 = PspRtc::instance().getMicros(); + // test minimal read + fread(buffer, 1000, 1, file); + time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("Reading 1000 bytes took %dus\n", time2-time1); +} + +/* +333MHz +Seeking 0 byte from 0 took 946us +Reading 1000 bytes took 1781us +Seeking 5 byte from 0 took 6us +Reading 1000 bytes took 19us +Seeking 1000 byte from 0 took 5us +Reading 1000 bytes took 913us +Seeking 100 byte from 0 took 955us +Reading 1000 bytes took 906us +Seeking 10000 byte from 0 took 963us +Reading 1000 bytes took 905us +Seeking -5 byte from 1 took 1022us +Reading 1000 bytes took 949us +Seeking -100 byte from 1 took 1040us +Reading 1000 bytes took 907us +Seeking 100 byte from 1 took 1044us +Reading 1000 bytes took 930us +Seeking 0 byte from 2 took 7211us +Reading 1000 bytes took 80us +Seeking 10000 byte from 2 took 3636us +Reading 1000 bytes took 110us +*/ + +void PspSpeedTests::seekSpeed() { + FILE *file; + file = fopen("ms0:/psp/music/track1.mp3", "r"); + + seekAndTime(0, SEEK_SET, file); + seekAndTime(5, SEEK_SET, file); + seekAndTime(1000, SEEK_SET, file); + seekAndTime(100, SEEK_SET, file); + seekAndTime(10000, SEEK_SET, file); + seekAndTime(-5, SEEK_CUR, file); + seekAndTime(-100, SEEK_CUR, file); + seekAndTime(100, SEEK_CUR, file); + seekAndTime(0, SEEK_END, file); + seekAndTime(-10000, SEEK_END, file); + + fclose(file); +} + +// 222: 5-7us +int PspSpeedTests::getThreadIdSpeed() { + uint32 time1 = PspRtc::instance().getMicros(); + int threadId = sceKernelGetThreadId(); + uint32 time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("Getting thread ID %d took %dus\n", threadId, time2-time1); + + return threadId; +} + +// 222: 4-5us +void PspSpeedTests::getPrioritySpeed() { + uint32 time1 = PspRtc::instance().getMicros(); + int priority = sceKernelGetThreadCurrentPriority(); + uint32 time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("Getting thread priority %d took %dus\n", priority, time2-time1); +} + +// 222: 9-10us +void PspSpeedTests::changePrioritySpeed(int id, int priority) { + uint32 time1 = PspRtc::instance().getMicros(); + sceKernelChangeThreadPriority(id, priority); + uint32 time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("Changing thread priority to %d for id %d took %dus\n", priority, id, time2-time1); +} + +void PspSpeedTests::threadFunctionsSpeed() { + // very unscientific -- just ballpark + int id; + id = getThreadIdSpeed(); + getThreadIdSpeed(); + getPrioritySpeed(); + getPrioritySpeed(); + changePrioritySpeed(id, 30); + changePrioritySpeed(id, 35); + changePrioritySpeed(id, 25); + + // test context switch time + for (int i=0; i<10; i++) { + uint time1 = PspRtc::instance().getMicros(); + PspThread::delayMicros(0); + uint time2 = PspRtc::instance().getMicros(); + PSP_INFO_PRINT("poll %d. context switch Time = %dus\n", i, time2-time1); // 10-15us + } +} + +void PspSpeedTests::semaphoreSpeed() { + PspSemaphore sem(1); + + uint32 time1 = PspRtc::instance().getMicros(); + + sem.take(); + + uint32 time2 = PspRtc::instance().getMicros(); + + PSP_INFO_PRINT("taking semaphore took %d us\n", time2-time1); // 10us + + uint32 time3 = PspRtc::instance().getMicros(); + + sem.give(); + + uint32 time4 = PspRtc::instance().getMicros(); + PSP_INFO_PRINT("releasing semaphore took %d us\n", time4-time3); //10us-55us +} + +int PspSpeedTests::threadFunc(SceSize args, void *argp) { + PSP_INFO_PRINT("thread %x created.\n", sceKernelGetThreadId()); + + _sem.take(); + + PSP_INFO_PRINT("grabbed semaphore. Quitting thread\n"); + + return 0; +} + +void PspSpeedTests::semaphoreManyThreadSpeed() { + + // create 4 threads + for (int i=0; i<4; i++) { + int thid = sceKernelCreateThread("my_thread", PspSpeedTests::threadFunc, 0x18, 0x10000, THREAD_ATTR_USER, NULL); + sceKernelStartThread(thid, 0, 0); + } + + PSP_INFO_PRINT("main thread. created threads\n"); + + uint32 threads = _sem.numOfWaitingThreads(); + while (threads < 4) { + threads = _sem.numOfWaitingThreads(); + PSP_INFO_PRINT("main thread: waiting threads[%d]\n", threads); + } + + PSP_INFO_PRINT("main: semaphore value[%d]\n", _sem.getValue()); + PSP_INFO_PRINT("main thread: waiting threads[%d]\n", _sem.numOfWaitingThreads()); + + _sem.give(4); +} + +void PspSpeedTests::fastCopySpecificSize(byte *dst, byte *src, uint32 bytes) { + uint32 time1, time2; + uint32 fastcopyTime, memcpyTime; + const int iterations = 2000; + int intc; + + intc = pspSdkDisableInterrupts(); + + time1 = PspRtc::instance().getMicros(); + for (int i=0; i<iterations; i++) { + PspMemory::fastCopy(dst, src, bytes); + } + time2 = PspRtc::instance().getMicros(); + + pspSdkEnableInterrupts(intc); + + fastcopyTime = time2-time1; + + intc = pspSdkDisableInterrupts(); + + time1 = PspRtc::instance().getMicros(); + for (int i=0; i<iterations; i++) { + memcpy(dst, src, bytes); + } + time2 = PspRtc::instance().getMicros(); + + pspSdkEnableInterrupts(intc); + + memcpyTime = time2-time1; + + PSP_INFO_PRINT("%d bytes. memcpy[%d], fastcopy[%d]\n", bytes, memcpyTime, fastcopyTime); +} + +void PspSpeedTests::fastCopyDifferentSizes(byte *dst, byte *src) { + PSP_INFO_PRINT("\nsrc[%p], dst[%p]\n", src, dst); + fastCopySpecificSize(dst, src, 1); + fastCopySpecificSize(dst, src, 2); + fastCopySpecificSize(dst, src, 3); + fastCopySpecificSize(dst, src, 4); + fastCopySpecificSize(dst, src, 5); + fastCopySpecificSize(dst, src, 8); + fastCopySpecificSize(dst, src, 10); + fastCopySpecificSize(dst, src, 16); + fastCopySpecificSize(dst, src, 32); + fastCopySpecificSize(dst, src, 50); + fastCopySpecificSize(dst, src, 100); + fastCopySpecificSize(dst, src, 500); + fastCopySpecificSize(dst, src, 1024); + fastCopySpecificSize(dst, src, 2048); +} + +void PspSpeedTests::fastCopySpeed() { + PSP_INFO_PRINT("running fastCopy speed test\n"); + + uint32 *bufferSrc32 = (uint32 *)memalign(16, MEMCPY_BUFFER_SIZE); + uint32 *bufferDst32 = (uint32 *)memalign(16, MEMCPY_BUFFER_SIZE); + + // fill buffer 1 + for (int i=0; i<MEMCPY_BUFFER_SIZE/4; i++) + bufferSrc32[i] = i | (((MEMCPY_BUFFER_SIZE/4)-i)<<16); + + // print buffer + for (int i=0; i<50; i++) + PSP_INFO_PRINT("%x ", bufferSrc32[i]); + PSP_INFO_PRINT("\n"); + + byte *bufferSrc = ((byte *)bufferSrc32); + byte *bufferDst = ((byte *)bufferDst32); + + PSP_INFO_PRINT("\n\ndst and src cached: -----------------\n"); + fastCopyDifferentSizes(bufferDst, bufferSrc); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+1); + fastCopyDifferentSizes(bufferDst, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+1, bufferSrc); + + PSP_INFO_PRINT("\n\ndst cached, src uncached: -----------------\n"); + bufferSrc = UNCACHED(bufferSrc); + fastCopyDifferentSizes(bufferDst, bufferSrc); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+1); + fastCopyDifferentSizes(bufferDst, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+1, bufferSrc); + + PSP_INFO_PRINT("\n\ndst uncached, src uncached: --------------\n"); + bufferDst = UNCACHED(bufferDst); + fastCopyDifferentSizes(bufferDst, bufferSrc); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+1); + fastCopyDifferentSizes(bufferDst, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+1, bufferSrc); + + PSP_INFO_PRINT("\n\ndst uncached, src cached: -------------------\n"); + bufferSrc = CACHED(bufferSrc); + fastCopyDifferentSizes(bufferDst, bufferSrc); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+1); + fastCopyDifferentSizes(bufferDst, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+1, bufferSrc); + + + free(bufferSrc32); + free(bufferDst32); +} + +//-------Unit Tests ------------------------------- + +class PspUnitTests { +public: + void testFastCopy(); + +private: + enum { + MEMCPY_BUFFER_SIZE = 8192 + }; + + void fastCopySpecificSize(byte *dst, byte *src, uint32 bytes, bool swap = false); + void fastCopyDifferentSizes(byte *dst, byte *src, bool swap = false); +}; + +void PspUnitTests::testFastCopy() { + PSP_INFO_PRINT("running fastcopy unit test ***********\n"); + PSP_INFO_PRINT("this test requires the test flag to be on in fastCopy\n\n"); + + uint32 *bufferSrc32 = (uint32 *)memalign(16, MEMCPY_BUFFER_SIZE); + uint32 *bufferDst32 = (uint32 *)memalign(16, MEMCPY_BUFFER_SIZE); + + // fill buffer 1 + for (int i=0; i<MEMCPY_BUFFER_SIZE/4; i++) + bufferSrc32[i] = i | (((MEMCPY_BUFFER_SIZE/4)-i)<<16); + + // print buffer + for (int i=0; i<50; i++) + PSP_INFO_PRINT("%x ", bufferSrc32[i]); + PSP_INFO_PRINT("\n"); + + byte *bufferSrc = ((byte *)bufferSrc32); + byte *bufferDst = ((byte *)bufferDst32); + + fastCopyDifferentSizes(bufferDst, bufferSrc, true); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+2, bufferSrc+2, true); + fastCopyDifferentSizes(bufferDst+3, bufferSrc+3); + fastCopyDifferentSizes(bufferDst, bufferSrc+1); + fastCopyDifferentSizes(bufferDst, bufferSrc+2, true); + fastCopyDifferentSizes(bufferDst+2, bufferSrc, true); + fastCopyDifferentSizes(bufferDst, bufferSrc+3); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+2); + fastCopyDifferentSizes(bufferDst+1, bufferSrc+3); + fastCopyDifferentSizes(bufferDst+2, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+2, bufferSrc+3); + fastCopyDifferentSizes(bufferDst+3, bufferSrc+1); + fastCopyDifferentSizes(bufferDst+3, bufferSrc+2); + + free(bufferSrc32); + free(bufferDst32); +} + +void PspUnitTests::fastCopyDifferentSizes(byte *dst, byte *src, bool swap) { + fastCopySpecificSize(dst, src, 1); + fastCopySpecificSize(dst, src, 2, swap); + fastCopySpecificSize(dst, src, 4, swap); + fastCopySpecificSize(dst, src, 6, swap); + fastCopySpecificSize(dst, src, 8, swap); + fastCopySpecificSize(dst, src, 9); + fastCopySpecificSize(dst, src, 10, swap); + fastCopySpecificSize(dst, src, 11); + fastCopySpecificSize(dst, src, 12, swap); + fastCopySpecificSize(dst, src, 13); + fastCopySpecificSize(dst, src, 14, swap); + fastCopySpecificSize(dst, src, 15); + fastCopySpecificSize(dst, src, 16, swap); + fastCopySpecificSize(dst, src, 17); + fastCopySpecificSize(dst, src, 18, swap); + fastCopySpecificSize(dst, src, 19); + fastCopySpecificSize(dst, src, 20, swap); + fastCopySpecificSize(dst, src, 32, swap); + fastCopySpecificSize(dst, src, 33); + fastCopySpecificSize(dst, src, 34, swap); + fastCopySpecificSize(dst, src, 35); + fastCopySpecificSize(dst, src, 36, swap); + fastCopySpecificSize(dst, src, 50, swap); + fastCopySpecificSize(dst, src, 100, swap); + fastCopySpecificSize(dst, src, 500, swap); + fastCopySpecificSize(dst, src, 1000, swap); +} + +void PspUnitTests::fastCopySpecificSize(byte *dst, byte *src, uint32 bytes, bool swap) { + memset(dst, 0, bytes); + PspMemory::fastCopy(dst, src, bytes); + + if (swap) { // test swap also + memset(dst, 0, bytes); + + // pixelformat for swap + PSPPixelFormat format; + format.set(PSPPixelFormat::Type_4444, true); + + PspMemory::fastSwap(dst, src, bytes, format); + } +} + +void psp_tests() { + PSP_INFO_PRINT("in tests\n"); + +#ifdef PSP_ENABLE_SPEED_TESTS + // Speed tests + PspSpeedTests speedTests; + speedTests.tickSpeed(); + speedTests.getMicrosSpeed(); + speedTests.msReadSpeed(); + speedTests.seekSpeed(); + speedTests.msReadSpeed(); + speedTests.threadFunctionsSpeed(); + speedTests.semaphoreSpeed(); + speedTests.semaphoreManyThreadSpeed(); + speedTests.fastCopySpeed(); +#endif + +#ifdef PSP_ENABLE_UNIT_TESTS + // Unit tests + PspUnitTests unitTests; + + unitTests.testFastCopy(); +#endif +} + +#endif /* (PSP_ENABLE_UNIT_TESTS) || defined (PSP_ENABLE_SPEED_TESTS) */
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