/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.apple.jobjc;
import com.apple.jobjc.Invoke.FunCall;
import com.apple.jobjc.PrimitiveCoder.DoubleCoder;
public final class BenchFunCall extends BaseBench{
final static int ITERS = 1000;
final static FunCall fc = new FunCall(JObjCRuntime.getInstance(), "sin", DoubleCoder.INST, DoubleCoder.INST);
final static double ARG = 3.14159265 / 2.0;
final static double RET = 1.0;
private static native double jniSin(double arg);
public void testBench(){
this.bench("Calling functions", 5, 3, 10000L,
new Task("JNI Invoke"){
@Override public void run() {
for(int i = 0; i < ITERS; ++i)
jniSin(ARG);
}},
new Task("JObjC FunCall"){
@Override public void run() {
for(int i = 0; i < ITERS; ++i){
fc.init(ARGS);
DoubleCoder.INST.push(ARGS, ARG);
fc.invoke(ARGS);
DoubleCoder.INST.pop(ARGS);
}
}},
new Task("JObjC FunCall (inlined)"){
@Override public void run() {
for(int i = 0; i < ITERS; ++i){
// init
ARGS.argPtrsPtr = ARGS.buffer.bufferPtr;
ARGS.argValuesPtr = ARGS.buffer.bufferPtr + 256;
// push double
//// push arg ptr
if(JObjCRuntime.IS64)
UNSAFE.putLong(ARGS.argPtrsPtr, ARGS.argValuesPtr);
else
UNSAFE.putInt(ARGS.argPtrsPtr, (int) ARGS.argValuesPtr);
ARGS.argPtrsPtr += JObjCRuntime.PTR_LEN;
//// push arg value
UNSAFE.putDouble(ARGS.argValuesPtr, ARG);
ARGS.argValuesPtr += 8;
// invoke
FunCall.invoke(fc.cif.cif.bufferPtr, fc.fxnPtr, ARGS.retValPtr, ARGS.buffer.bufferPtr);
// pop
UNSAFE.getDouble(ARGS.retValPtr);
}
}}
);
}
}