< prev index next >
test/jdk/jdk/incubator/vector/benchmark/src/main/java/benchmark/jdk/incubator/vector/DoubleScalar.java
Print this page
rev 55606 : 8221812: Fine-tune jmh test for vector api
Summary: To compare performance of vector api and auto vectorization, vector
api and scalar test cases are updated to keep aligned.
Reviewed-by: duke
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -25,18 +25,21 @@
import java.util.concurrent.TimeUnit;
import java.util.function.IntFunction;
import org.openjdk.jmh.annotations.*;
+import org.openjdk.jmh.infra.Blackhole;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Benchmark)
@Warmup(iterations = 3, time = 1)
@Measurement(iterations = 5, time = 1)
@Fork(value = 1, jvmArgsPrepend = {"--add-modules=jdk.incubator.vector"})
public class DoubleScalar extends AbstractVectorBenchmark {
+ static final int INVOC_COUNT = 1; // To align with vector benchmarks.
+
@Param("1024")
int size;
double[] fill(IntFunction<Double> f) {
double[] array = new double[size];
@@ -70,147 +73,163 @@
final IntFunction<boolean[]> fmr = vl -> rms;
final IntFunction<int[]> fs = vl -> ss;
@Benchmark
- public Object add() {
+ public void add(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(a + b);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object addMasked() {
+ public void addMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
if (ms[i % ms.length]) {
rs[i] = (double)(a + b);
} else {
rs[i] = a;
}
}
- return rs;
+ }
+ bh.consume(rs);
}
@Benchmark
- public Object sub() {
+ public void sub(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(a - b);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object subMasked() {
+ public void subMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
if (ms[i % ms.length]) {
rs[i] = (double)(a - b);
} else {
rs[i] = a;
}
}
- return rs;
+ }
+ bh.consume(rs);
}
@Benchmark
- public Object div() {
+ public void div(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(a / b);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object divMasked() {
+ public void divMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
if (ms[i % ms.length]) {
rs[i] = (double)(a / b);
} else {
rs[i] = a;
}
}
- return rs;
+ }
+ bh.consume(rs);
}
@Benchmark
- public Object mul() {
+ public void mul(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(a * b);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object mulMasked() {
+ public void mulMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
if (ms[i % ms.length]) {
rs[i] = (double)(a * b);
} else {
rs[i] = a;
}
}
- return rs;
+ }
+ bh.consume(rs);
}
@@ -240,739 +259,837 @@
@Benchmark
- public Object max() {
+ public void max(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(Math.max(a, b));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object min() {
+ public void min(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(Math.min(a, b));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public double addAll() {
+ public void addAll(Blackhole bh) {
double[] as = fa.apply(size);
double r = 0;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = 0;
for (int i = 0; i < as.length; i++) {
r += as[i];
}
- return r;
+ }
+ bh.consume(r);
}
@Benchmark
- public double mulAll() {
+ public void mulAll(Blackhole bh) {
double[] as = fa.apply(size);
double r = 1;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = 1;
for (int i = 0; i < as.length; i++) {
r *= as[i];
}
- return r;
+ }
+ bh.consume(r);
}
@Benchmark
- public double minAll() {
+ public void minAll(Blackhole bh) {
double[] as = fa.apply(size);
double r = Double.POSITIVE_INFINITY;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = Double.POSITIVE_INFINITY;
for (int i = 0; i < as.length; i++) {
r = (double)Math.min(r, as[i]);
}
- return r;
+ }
+ bh.consume(r);
}
@Benchmark
- public double maxAll() {
+ public void maxAll(Blackhole bh) {
double[] as = fa.apply(size);
double r = Double.NEGATIVE_INFINITY;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = Double.NEGATIVE_INFINITY;
for (int i = 0; i < as.length; i++) {
r = (double)Math.max(r, as[i]);
}
- return r;
+ }
+ bh.consume(r);
}
@Benchmark
- public boolean lessThan() {
+ public void lessThan(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
boolean r = false;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = false;
for (int i = 0; i < as.length; i++) {
boolean m = (as[i] < bs[i]);
r |= m; // accumulate so JIT can't eliminate the computation
}
+ }
- return r;
+ bh.consume(r);
}
@Benchmark
- public boolean greaterThan() {
+ public void greaterThan(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
boolean r = false;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = false;
for (int i = 0; i < as.length; i++) {
boolean m = (as[i] > bs[i]);
r |= m; // accumulate so JIT can't eliminate the computation
}
+ }
- return r;
+ bh.consume(r);
}
@Benchmark
- public boolean equal() {
+ public void equal(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
boolean r = false;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = false;
for (int i = 0; i < as.length; i++) {
boolean m = (as[i] == bs[i]);
r |= m; // accumulate so JIT can't eliminate the computation
}
+ }
- return r;
+ bh.consume(r);
}
@Benchmark
- public boolean notEqual() {
+ public void notEqual(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
boolean r = false;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = false;
for (int i = 0; i < as.length; i++) {
boolean m = (as[i] != bs[i]);
r |= m; // accumulate so JIT can't eliminate the computation
}
+ }
- return r;
+ bh.consume(r);
}
@Benchmark
- public boolean lessThanEq() {
+ public void lessThanEq(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
boolean r = false;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = false;
for (int i = 0; i < as.length; i++) {
boolean m = (as[i] <= bs[i]);
r |= m; // accumulate so JIT can't eliminate the computation
}
+ }
- return r;
+ bh.consume(r);
}
@Benchmark
- public boolean greaterThanEq() {
+ public void greaterThanEq(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
boolean r = false;
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
+ r = false;
for (int i = 0; i < as.length; i++) {
boolean m = (as[i] >= bs[i]);
r |= m; // accumulate so JIT can't eliminate the computation
}
+ }
- return r;
+ bh.consume(r);
}
@Benchmark
- public Object blend() {
+ public void blend(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
boolean m = ms[i % ms.length];
rs[i] = (m ? b : a);
}
+ }
- return rs;
+ bh.consume(rs);
}
- Object rearrangeShared(int window) {
+ void rearrangeShared(int window, Blackhole bh) {
double[] as = fa.apply(size);
int[] order = fs.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i += window) {
for (int j = 0; j < window; j++) {
double a = as[i+j];
int pos = order[j];
rs[i + pos] = a;
}
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object rearrange064() {
+ public void rearrange064(Blackhole bh) {
int window = 64 / Double.SIZE;
- return rearrangeShared(window);
+ rearrangeShared(window, bh);
}
@Benchmark
- public Object rearrange128() {
+ public void rearrange128(Blackhole bh) {
int window = 128 / Double.SIZE;
- return rearrangeShared(window);
+ rearrangeShared(window, bh);
}
@Benchmark
- public Object rearrange256() {
+ public void rearrange256(Blackhole bh) {
int window = 256 / Double.SIZE;
- return rearrangeShared(window);
+ rearrangeShared(window, bh);
}
@Benchmark
- public Object rearrange512() {
+ public void rearrange512(Blackhole bh) {
int window = 512 / Double.SIZE;
- return rearrangeShared(window);
+ rearrangeShared(window, bh);
}
@Benchmark
- public Object sin() {
+ public void sin(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.sin((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object exp() {
+ public void exp(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.exp((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object log1p() {
+ public void log1p(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.log1p((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object log() {
+ public void log(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.log((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object log10() {
+ public void log10(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.log10((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object expm1() {
+ public void expm1(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.expm1((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object cos() {
+ public void cos(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.cos((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object tan() {
+ public void tan(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.tan((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object sinh() {
+ public void sinh(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.sinh((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object cosh() {
+ public void cosh(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.cosh((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object tanh() {
+ public void tanh(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.tanh((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object asin() {
+ public void asin(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.asin((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object acos() {
+ public void acos(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.acos((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object atan() {
+ public void atan(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.atan((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object cbrt() {
+ public void cbrt(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.cbrt((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object hypot() {
+ public void hypot(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(Math.hypot((double)a, (double)b));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object pow() {
+ public void pow(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(Math.pow((double)a, (double)b));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object atan2() {
+ public void atan2(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
rs[i] = (double)(Math.atan2((double)a, (double)b));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object fma() {
+ public void fma(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] cs = fc.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
double c = cs[i];
rs[i] = (double)(Math.fma(a, b, c));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object fmaMasked() {
+ public void fmaMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] bs = fb.apply(size);
double[] cs = fc.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
double b = bs[i];
double c = cs[i];
if (ms[i % ms.length]) {
rs[i] = (double)(Math.fma(a, b, c));
} else {
rs[i] = a;
}
}
- return rs;
+ }
+ bh.consume(rs);
}
@Benchmark
- public Object neg() {
+ public void neg(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(-((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object negMasked() {
+ public void negMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
boolean m = ms[i % ms.length];
rs[i] = (m ? (double)(-((double)a)) : a);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object abs() {
+ public void abs(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.abs((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object absMasked() {
+ public void absMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
boolean m = ms[i % ms.length];
rs[i] = (m ? (double)(Math.abs((double)a)) : a);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object sqrt() {
+ public void sqrt(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
rs[i] = (double)(Math.sqrt((double)a));
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object sqrtMasked() {
+ public void sqrtMasked(Blackhole bh) {
double[] as = fa.apply(size);
double[] rs = fr.apply(size);
boolean[] ms = fm.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
double a = as[i];
boolean m = ms[i % ms.length];
rs[i] = (m ? (double)(Math.sqrt((double)a)) : a);
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object gatherBase0() {
+ public void gatherBase0(Blackhole bh) {
double[] as = fa.apply(size);
int[] is = fs.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
int ix = 0 + is[i];
rs[i] = as[ix];
}
+ }
- return rs;
+ bh.consume(rs);
}
- Object gather(int window) {
+ void gather(int window, Blackhole bh) {
double[] as = fa.apply(size);
int[] is = fs.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i += window) {
for (int j = 0; j < window; j++) {
int ix = i + is[i + j];
rs[i + j] = as[ix];
}
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object gather064() {
+ public void gather064(Blackhole bh) {
int window = 64 / Double.SIZE;
- return gather(window);
+ gather(window, bh);
}
@Benchmark
- public Object gather128() {
+ public void gather128(Blackhole bh) {
int window = 128 / Double.SIZE;
- return gather(window);
+ gather(window, bh);
}
@Benchmark
- public Object gather256() {
+ public void gather256(Blackhole bh) {
int window = 256 / Double.SIZE;
- return gather(window);
+ gather(window, bh);
}
@Benchmark
- public Object gather512() {
+ public void gather512(Blackhole bh) {
int window = 512 / Double.SIZE;
- return gather(window);
+ gather(window, bh);
}
@Benchmark
- public Object scatterBase0() {
+ public void scatterBase0(Blackhole bh) {
double[] as = fa.apply(size);
int[] is = fs.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i++) {
int ix = 0 + is[i];
rs[ix] = as[i];
}
+ }
- return rs;
+ bh.consume(rs);
}
- Object scatter(int window) {
+ void scatter(int window, Blackhole bh) {
double[] as = fa.apply(size);
int[] is = fs.apply(size);
double[] rs = fr.apply(size);
+ for (int ic = 0; ic < INVOC_COUNT; ic++) {
for (int i = 0; i < as.length; i += window) {
for (int j = 0; j < window; j++) {
int ix = i + is[i + j];
rs[ix] = as[i + j];
}
}
+ }
- return rs;
+ bh.consume(rs);
}
@Benchmark
- public Object scatter064() {
+ public void scatter064(Blackhole bh) {
int window = 64 / Double.SIZE;
- return scatter(window);
+ scatter(window, bh);
}
@Benchmark
- public Object scatter128() {
+ public void scatter128(Blackhole bh) {
int window = 128 / Double.SIZE;
- return scatter(window);
+ scatter(window, bh);
}
@Benchmark
- public Object scatter256() {
+ public void scatter256(Blackhole bh) {
int window = 256 / Double.SIZE;
- return scatter(window);
+ scatter(window, bh);
}
@Benchmark
- public Object scatter512() {
+ public void scatter512(Blackhole bh) {
int window = 512 / Double.SIZE;
- return scatter(window);
+ scatter(window, bh);
}
}
< prev index next >