jdk/test/hotspot/jtreg/compiler/vectorization/TestFloat16VectorOperations.java
2025-06-26 15:42:43 +00:00

439 lines
17 KiB
Java

/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2025, Arm Limited. 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.
*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
/**
* @test
* @bug 8346236
* @summary Auto-vectorization support for various Float16 operations
* @modules jdk.incubator.vector
* @library /test/lib /
* @compile TestFloat16VectorOperations.java
* @run driver compiler.vectorization.TestFloat16VectorOperations
*/
package compiler.vectorization;
import compiler.lib.ir_framework.*;
import jdk.incubator.vector.Float16;
import static jdk.incubator.vector.Float16.*;
import static java.lang.Float.*;
import java.util.Arrays;
import jdk.test.lib.*;
import compiler.lib.generators.Generator;
import static compiler.lib.generators.Generators.G;
public class TestFloat16VectorOperations {
private short[] input1;
private short[] input2;
private short[] input3;
private short[] output;
private static short FP16_SCALAR = (short)0x7777;
private static final int LEN = 2048;
private static final Float16 FP16_CONST = Float16.valueOf(1023.0f);
public static void main(String args[]) {
// Test with default MaxVectorSize
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector");
// Test with different values of MaxVectorSize
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector", "-XX:MaxVectorSize=8");
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector", "-XX:MaxVectorSize=16");
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector", "-XX:MaxVectorSize=32");
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector", "-XX:MaxVectorSize=64");
}
public static void assertResults(int arity, short ... values) {
assert values.length == (arity + 2);
Float16 expected_fp16 = shortBitsToFloat16(values[arity]);
Float16 actual_fp16 = shortBitsToFloat16(values[arity + 1]);
if(!expected_fp16.equals(actual_fp16)) {
String inputs = Arrays.toString(Arrays.copyOfRange(values, 0, arity - 1));
throw new AssertionError("Result Mismatch!, input = " + inputs + " actual = " + actual_fp16 + " expected = " + expected_fp16);
}
}
public TestFloat16VectorOperations() {
input1 = new short[LEN];
input2 = new short[LEN];
input3 = new short[LEN];
output = new short[LEN];
short min_value = float16ToRawShortBits(Float16.MIN_VALUE);
short max_value = float16ToRawShortBits(Float16.MAX_VALUE);
Generator<Short> gen = G.float16s();
for (int i = 0; i < LEN; ++i) {
input1[i] = gen.next();
input2[i] = gen.next();
input3[i] = gen.next();
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.ADD_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.ADD_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorAddFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(add(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorAddFloat16")
public void checkResultAdd() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(float16ToFloat(input1[i]) + float16ToFloat(input2[i]));
assertResults(2, input1[i], input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.SUB_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.SUB_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorSubFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(subtract(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorSubFloat16")
public void checkResultSub() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(float16ToFloat(input1[i]) - float16ToFloat(input2[i]));
assertResults(2, input1[i], input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.MUL_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.MUL_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorMulFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(multiply(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorMulFloat16")
public void checkResultMul() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(float16ToFloat(input1[i]) * float16ToFloat(input2[i]));
assertResults(2, input1[i], input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.DIV_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.DIV_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorDivFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(divide(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorDivFloat16")
public void checkResultDiv() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(float16ToFloat(input1[i]) / float16ToFloat(input2[i]));
assertResults(2, input1[i], input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.MIN_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.MIN_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorMinFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(min(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorMinFloat16")
public void checkResultMin() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(Math.min(float16ToFloat(input1[i]), float16ToFloat(input2[i])));
assertResults(2, input1[i], input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.MAX_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.MAX_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorMaxFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(max(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorMaxFloat16")
public void checkResultMax() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(Math.max(float16ToFloat(input1[i]), float16ToFloat(input2[i])));
assertResults(2, input1[i], input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.SQRT_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.SQRT_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorSqrtFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(sqrt(shortBitsToFloat16(input1[i])));
}
}
@Check(test="vectorSqrtFloat16")
public void checkResultSqrt() {
for (int i = 0; i < LEN; ++i) {
short expected = float16ToRawShortBits(sqrt(shortBitsToFloat16(input1[i])));
assertResults(1, input1[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.FMA_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.FMA_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorFmaFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(fma(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i]),
shortBitsToFloat16(input3[i])));
}
}
@Check(test="vectorFmaFloat16")
public void checkResultFma() {
for (int i = 0; i < LEN; ++i) {
short expected = float16ToRawShortBits(fma(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i]),
shortBitsToFloat16(input3[i])));
assertResults(3, input1[i], input2[i], input3[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.FMA_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.FMA_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorFmaFloat16ScalarMixedConstants() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(fma(shortBitsToFloat16(input1[i]), shortBitsToFloat16(FP16_SCALAR),
shortBitsToFloat16(floatToFloat16(3.0f))));
}
}
@Check(test="vectorFmaFloat16ScalarMixedConstants")
public void checkResultFmaScalarMixedConstants() {
for (int i = 0; i < LEN; ++i) {
short expected = float16ToRawShortBits(fma(shortBitsToFloat16(input1[i]), shortBitsToFloat16(FP16_SCALAR),
shortBitsToFloat16(floatToFloat16(3.0f))));
assertResults(2, input1[i], FP16_SCALAR, expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.FMA_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.FMA_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorFmaFloat16MixedConstants() {
short input3 = floatToFloat16(3.0f);
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(fma(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i]), shortBitsToFloat16(input3)));
}
}
@Check(test="vectorFmaFloat16MixedConstants")
public void checkResultFmaMixedConstants() {
short input3 = floatToFloat16(3.0f);
for (int i = 0; i < LEN; ++i) {
short expected = float16ToRawShortBits(fma(shortBitsToFloat16(input1[i]), shortBitsToFloat16(input2[i]), shortBitsToFloat16(input3)));
assertResults(3, input1[i], input2[i], input3, expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.FMA_VHF, " 0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.FMA_VHF, " 0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorFmaFloat16AllConstants() {
short input1 = floatToFloat16(1.0f);
short input2 = floatToFloat16(2.0f);
short input3 = floatToFloat16(3.0f);
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(fma(shortBitsToFloat16(input1), shortBitsToFloat16(input2), shortBitsToFloat16(input3)));
}
}
@Check(test="vectorFmaFloat16AllConstants")
public void checkResultFmaAllConstants() {
short input1 = floatToFloat16(1.0f);
short input2 = floatToFloat16(2.0f);
short input3 = floatToFloat16(3.0f);
for (int i = 0; i < LEN; ++i) {
short expected = float16ToRawShortBits(fma(shortBitsToFloat16(input1), shortBitsToFloat16(input2), shortBitsToFloat16(input3)));
assertResults(3, input1, input2, input3, expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.ADD_VHF, " >0 "},
applyIfCPUFeatureOr = {"avx512_fp16", "true", "zvfh", "true", "sve", "true"})
@IR(counts = {IRNode.ADD_VHF, " >0 "},
applyIfCPUFeatureAnd = {"fphp", "true", "asimdhp", "true"})
public void vectorAddConstInputFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(add(shortBitsToFloat16(input1[i]), FP16_CONST));
}
}
@Check(test="vectorAddConstInputFloat16")
public void checkResultAddConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(float16ToFloat(input1[i]) + FP16_CONST.floatValue());
assertResults(2, input1[i], float16ToRawShortBits(FP16_CONST), expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.SUB_VHF, " >0 "},
applyIfCPUFeature = {"avx512_fp16", "true"})
public void vectorSubConstInputFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(subtract(shortBitsToFloat16(input1[i]), FP16_CONST));
}
}
@Check(test="vectorSubConstInputFloat16")
public void checkResultSubConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(float16ToFloat(input1[i]) - FP16_CONST.floatValue());
assertResults(2, input1[i], float16ToRawShortBits(FP16_CONST), expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.MUL_VHF, " >0 "},
applyIfCPUFeature = {"avx512_fp16", "true"})
public void vectorMulConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(multiply(FP16_CONST, shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorMulConstantInputFloat16")
public void checkResultMulConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(FP16_CONST.floatValue() * float16ToFloat(input2[i]));
assertResults(2, float16ToRawShortBits(FP16_CONST), input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.DIV_VHF, " >0 "},
applyIfCPUFeature = {"avx512_fp16", "true"})
public void vectorDivConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(divide(FP16_CONST, shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorDivConstantInputFloat16")
public void checkResultDivConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(FP16_CONST.floatValue() / float16ToFloat(input2[i]));
assertResults(2, float16ToRawShortBits(FP16_CONST), input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.MAX_VHF, " >0 "},
applyIfCPUFeature = {"avx512_fp16", "true"})
public void vectorMaxConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(max(FP16_CONST, shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorMaxConstantInputFloat16")
public void checkResultMaxConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(Math.max(FP16_CONST.floatValue(), float16ToFloat(input2[i])));
assertResults(2, float16ToRawShortBits(FP16_CONST), input2[i], expected, output[i]);
}
}
@Test
@Warmup(50)
@IR(counts = {IRNode.MIN_VHF, " >0 "},
applyIfCPUFeature = {"avx512_fp16", "true"})
public void vectorMinConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
output[i] = float16ToRawShortBits(min(FP16_CONST, shortBitsToFloat16(input2[i])));
}
}
@Check(test="vectorMinConstantInputFloat16")
public void checkResultMinConstantInputFloat16() {
for (int i = 0; i < LEN; ++i) {
short expected = floatToFloat16(Math.min(FP16_CONST.floatValue(), float16ToFloat(input2[i])));
assertResults(2, float16ToRawShortBits(FP16_CONST), input2[i], expected, output[i]);
}
}
}