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/*
* Copyright (C) 2015-2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Identifier.h"
#include "InitializeThreading.h"
#include "JSCInlines.h"
#include "JSCJSValue.h"
#include "JSGlobalObject.h"
#include "JSLock.h"
#include "JSObject.h"
#include "VM.h"
#include <wtf/MainThread.h>
#include <wtf/text/StringCommon.h>
WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
using namespace JSC;
namespace {
Lock crashLock;
const char* nameFilter;
unsigned requestedIterationCount;
#define CHECK(x) do { \
if (!!(x)) \
break; \
crashLock.lock(); \
WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, #x); \
CRASH(); \
} while (false)
template<typename Callback>
NEVER_INLINE void benchmarkImpl(const char* name, unsigned iterationCount, const Callback& callback)
{
if (nameFilter && WTF::findIgnoringASCIICaseWithoutLength(name, nameFilter) == WTF::notFound)
return;
if (requestedIterationCount)
iterationCount = requestedIterationCount;
MonotonicTime before = MonotonicTime::now();
callback(iterationCount);
MonotonicTime after = MonotonicTime::now();
dataLog(name, ": ", (after - before).milliseconds(), " ms.\n");
}
} // anonymous namespace
// Use WTF_IGNORES_THREAD_SAFETY_ANALYSIS because the function keeps holding crashLock when returning.
int main(int argc, char** argv) WTF_IGNORES_THREAD_SAFETY_ANALYSIS
{
if (argc >= 2) {
if (argv[1][0] == '-') {
dataLog("Usage: dynbench [<filter> [<iteration count>]]\n");
return 1;
}
nameFilter = argv[1];
if (argc >= 3) {
if (sscanf(argv[2], "%u", &requestedIterationCount) != 1) {
dataLog("Could not parse iteration count ", argv[2], "\n");
return 1;
}
}
}
WTF::initializeMainThread();
JSC::initialize();
VM& vm = VM::create(HeapType::Large).leakRef();
{
JSLockHolder locker(vm);
JSGlobalObject* globalObject =
JSGlobalObject::create(vm, JSGlobalObject::createStructure(vm, jsNull()));
Identifier identF = Identifier::fromString(vm, "f"_s);
Identifier identG = Identifier::fromString(vm, "g"_s);
Structure* objectStructure =
JSFinalObject::createStructure(vm, globalObject, globalObject->objectPrototype(), 2);
// Non-strict dynamic get by id:
JSValue object = JSFinalObject::create(vm, objectStructure);
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identF, jsNumber(42), slot);
}
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identG, jsNumber(43), slot);
}
benchmarkImpl(
"Non Strict Dynamic Get By Id",
1000000,
[&] (unsigned iterationCount) {
for (unsigned i = iterationCount; i--;) {
JSValue result = object.get(globalObject, identF);
CHECK(result == jsNumber(42));
result = object.get(globalObject, identG);
CHECK(result == jsNumber(43));
}
});
// Non-strict dynamic put by id replace:
object = JSFinalObject::create(vm, objectStructure);
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identF, jsNumber(42), slot);
}
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identG, jsNumber(43), slot);
}
benchmarkImpl(
"Non Strict Dynamic Put By Id Replace",
1000000,
[&] (unsigned iterationCount) {
for (unsigned i = iterationCount; i--;) {
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identF, jsNumber(i), slot);
}
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identG, jsNumber(i), slot);
}
}
});
// Non-strict dynamic put by id transition with object allocation:
benchmarkImpl(
"Non Strict Dynamic Allocation and Put By Id Transition",
1000000,
[&] (unsigned iterationCount) {
for (unsigned i = iterationCount; i--;) {
JSValue object = JSFinalObject::create(vm, objectStructure);
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identF, jsNumber(i), slot);
}
{
PutPropertySlot slot(object, false, PutPropertySlot::PutById);
object.putInline(globalObject, identG, jsNumber(i), slot);
}
}
});
// Non-strict dynamic get by id with dynamic store context:
object = JSFinalObject::create(vm, objectStructure);
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identF, jsNumber(42), slot);
}
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identG, jsNumber(43), slot);
}
benchmarkImpl(
"Non Strict Dynamic Get By Id With Dynamic Store Context",
1000000,
[&] (unsigned iterationCount) {
for (unsigned i = iterationCount; i--;) {
JSValue result = object.get(globalObject, identF);
CHECK(result == jsNumber(42));
result = object.get(globalObject, identG);
CHECK(result == jsNumber(43));
}
});
// Non-strict dynamic put by id replace with dynamic store context:
object = JSFinalObject::create(vm, objectStructure);
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identF, jsNumber(42), slot);
}
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identG, jsNumber(43), slot);
}
benchmarkImpl(
"Non Strict Dynamic Put By Id Replace With Dynamic Store Context",
1000000,
[&] (unsigned iterationCount) {
for (unsigned i = iterationCount; i--;) {
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identF, jsNumber(i), slot);
}
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identG, jsNumber(i), slot);
}
}
});
// Non-strict dynamic put by id transition with object allocation with dynamic store context:
benchmarkImpl(
"Non Strict Dynamic Allocation and Put By Id Transition With Dynamic Store Context",
1000000,
[&] (unsigned iterationCount) {
for (unsigned i = iterationCount; i--;) {
JSValue object = JSFinalObject::create(vm, objectStructure);
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identF, jsNumber(i), slot);
}
{
PutPropertySlot slot(object, false);
object.putInline(globalObject, identG, jsNumber(i), slot);
}
}
});
}
crashLock.lock();
return 0;
}
WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
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