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unittest: Add jit compare for jit IR.

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Unknown W. Brackets 2023-09-23 11:19:27 -07:00
parent 2ba63c65f2
commit e5df318990
2 changed files with 31 additions and 4 deletions
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32
unittest/JitHarness.cpp
View file

@ -34,6 +34,7 @@
#include "Core/MemMap.h"
#include "Core/Core.h"
#include "Core/CoreTiming.h"
#include "Core/Config.h"
#include "Core/HLE/HLE.h"
// Temporary hacks around annoying linking errors. Copied from Headless.
@ -55,9 +56,15 @@ HLEFunction UnitTestFakeSyscalls[] = {
{0x1234BEEF, &UnitTestTerminator, "UnitTestTerminator"},
};
double ExecCPUTest() {
double ExecCPUTest(bool clearCache = true) {
int blockTicks = 1000000;
int total = 0;
if (MIPSComp::jit) {
currentMIPS->pc = PSP_GetUserMemoryBase();
MIPSComp::JitAt();
}
double st = time_now_d();
do {
for (int j = 0; j < 1000; ++j) {
@ -73,6 +80,17 @@ double ExecCPUTest() {
while (time_now_d() - st < 0.5);
double elapsed = time_now_d() - st;
if (MIPSComp::jit) {
JitBlockCacheDebugInterface *cache = MIPSComp::jit->GetBlockCacheDebugInterface();
if (cache) {
JitBlockDebugInfo block = cache->GetBlockDebugInfo(0);
WARN_LOG(JIT, "Executed %d target instrs, %d IR, for %d orig", (int)block.targetDisasm.size(), (int)block.irDisasm.size(), (int)block.origDisasm.size());
}
if (clearCache)
MIPSComp::jit->ClearCache();
}
return total / elapsed;
}
@ -108,6 +126,7 @@ static void DestroyJitHarness() {
bool TestJit() {
SetupJitHarness();
g_Config.bFastMemory = true;
currentMIPS->pc = PSP_GetUserMemoryBase();
u32 *p = (u32 *)Memory::GetPointer(currentMIPS->pc);
@ -158,6 +177,7 @@ bool TestJit() {
*p++ = MIPS_MAKE_SYSCALL("UnitTestFakeSyscalls", "UnitTestTerminator");
*p++ = MIPS_MAKE_BREAK(1);
*p++ = MIPS_MAKE_JR_RA();
// Dogfood.
addr = currentMIPS->pc;
@ -170,11 +190,15 @@ bool TestJit() {
printf("\n");
double jit_speed = 0.0, interp_speed = 0.0;
double jit_speed = 0.0, jit_ir_speed = 0.0, ir_speed = 0.0, interp_speed = 0.0;
if (compileSuccess) {
interp_speed = ExecCPUTest();
mipsr4k.UpdateCore(CPUCore::IR_INTERPRETER);
ir_speed = ExecCPUTest();
mipsr4k.UpdateCore(CPUCore::JIT);
jit_speed = ExecCPUTest();
mipsr4k.UpdateCore(CPUCore::JIT_IR);
jit_ir_speed = ExecCPUTest(false);
// Disassemble
JitBlockCacheDebugInterface *cache = MIPSComp::jit->GetBlockCacheDebugInterface();
@ -182,14 +206,14 @@ bool TestJit() {
JitBlockDebugInfo block = cache->GetBlockDebugInfo(0); // Should only be one block.
std::vector<std::string> &lines = block.targetDisasm;
// Cut off at 25 due to the repetition above. Might need tweaking for large instructions.
const int cutoff = 25;
const int cutoff = 50;
for (int i = 0; i < std::min((int)lines.size(), cutoff); i++) {
printf("%s\n", lines[i].c_str());
}
if (lines.size() > cutoff)
printf("...\n");
}
printf("Jit was %fx faster than interp.\n\n", jit_speed / interp_speed);
printf("Jit was %fx faster than interp, IR was %fx faster, JIT IR %fx.\n\n", jit_speed / interp_speed, ir_speed / interp_speed, jit_ir_speed / interp_speed);
}
printf("\n");

3
unittest/UnitTest.cpp
View file

@ -58,6 +58,7 @@
#include "Common/Render/DrawBuffer.h"
#include "Common/System/NativeApp.h"
#include "Common/System/System.h"
#include "Common/Thread/ThreadUtil.h"
#include "Common/ArmEmitter.h"
#include "Common/BitScan.h"
@ -1038,6 +1039,8 @@ TestItem availableTests[] = {
};
int main(int argc, const char *argv[]) {
SetCurrentThreadName("UnitTest");
cpu_info.bNEON = true;
cpu_info.bVFP = true;
cpu_info.bVFPv3 = true;