Merge "Add int[] JNI benchmarks" (941acfe7) · Commits · e / os / android_frameworks_base

apct-tests/perftests/core/Android.mk

+3 −0

Original line number	Diff line number	Diff line
		@@ -12,8 +12,11 @@ LOCAL_STATIC_JAVA_LIBRARIES := \

		LOCAL_PACKAGE_NAME := CorePerfTests

		LOCAL_JNI_SHARED_LIBRARIES := libperftestscore_jni

		# Use google-fonts/dancing-script for the performance metrics
		LOCAL_ASSET_DIR := $(TOP)/external/google-fonts/dancing-script

		include $(BUILD_PACKAGE)

		include $(call all-makefiles-under, $(LOCAL_PATH))

apct-tests/perftests/core/jni/Android.mk

0 → 100644

+17 −0

Original line number	Diff line number	Diff line
		LOCAL_PATH := $(call my-dir)

		include $(CLEAR_VARS)
		LOCAL_SDK_VERSION := 21

		LOCAL_SRC_FILES:= \
		SystemPerfTest.cpp \

		LOCAL_C_INCLUDES += \
		$(JNI_H_INCLUDE)

		LOCAL_MODULE := libperftestscore_jni
		LOCAL_MODULE_TAGS := optional

		LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code

		include $(BUILD_SHARED_LIBRARY)

apct-tests/perftests/core/jni/SystemPerfTest.cpp

0 → 100644

+82 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include <jni.h>

		#define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0])))

		static void jintarrayArgumentNoop(JNIEnv*, jclass, jintArray, jint) {
		}

		static jint jintarrayGetLength(JNIEnv* env, jclass, jintArray jarray) {
		const jsize len = env->GetArrayLength(jarray);
		return static_cast<jint>(len);
		}

		static jint jintarrayCriticalAccess(JNIEnv* env, jclass, jintArray jarray, jint index) {
		const jsize len = env->GetArrayLength(jarray);
		if (index < 0 \|\| index >= len) {
		return -1;
		}
		jint* data = (jint*) env->GetPrimitiveArrayCritical(jarray, 0);
		jint ret = data[index];
		env->ReleasePrimitiveArrayCritical(jarray, data, 0);
		return ret;
		}

		static jint jintarrayBasicAccess(JNIEnv* env, jclass, jintArray jarray, jint index) {
		const jsize len = env->GetArrayLength(jarray);
		if (index < 0 \|\| index >= len) {
		return -1;
		}
		jint* data = env->GetIntArrayElements(jarray, 0);
		jint ret = data[index];
		env->ReleaseIntArrayElements(jarray, data, 0);
		return ret;
		}

		static const JNINativeMethod sMethods[] = {
		{"jintarrayArgumentNoop", "([II)V", (void *) jintarrayArgumentNoop},
		{"jintarrayGetLength", "([I)I", (void *) jintarrayGetLength},
		{"jintarrayCriticalAccess", "([II)I", (void *) jintarrayCriticalAccess},
		{"jintarrayBasicAccess", "([II)I", (void *) jintarrayBasicAccess},
		};

		static int registerNativeMethods(JNIEnv* env, const char* className,
		const JNINativeMethod* gMethods, int numMethods) {
		jclass clazz = env->FindClass(className);
		if (clazz == NULL) {
		return JNI_FALSE;
		}
		if (env->RegisterNatives(clazz, gMethods, numMethods) < 0) {
		return JNI_FALSE;
		}
		return JNI_TRUE;
		}

		jint JNI_OnLoad(JavaVM* jvm, void*) {
		JNIEnv *env = NULL;
		if (jvm->GetEnv((void**) &env, JNI_VERSION_1_6)) {
		return JNI_ERR;
		}

		if (registerNativeMethods(env, "java/lang/perftests/SystemPerfTest",
		sMethods, NELEM(sMethods)) == -1) {
		return JNI_ERR;
		}

		return JNI_VERSION_1_6;
		}

apct-tests/perftests/core/src/java/lang/perftests/SystemPerfTest.java

+53 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,9 @@ import android.perftests.utils.BenchmarkState;
		import android.perftests.utils.PerfStatusReporter;
		import android.support.test.filters.LargeTest;
		import android.support.test.runner.AndroidJUnit4;

		import dalvik.annotation.optimization.FastNative;

		import org.junit.Rule;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		@@ -29,6 +32,11 @@ import java.util.concurrent.TimeUnit;
		@RunWith(AndroidJUnit4.class)
		@LargeTest
		public class SystemPerfTest {

		static {
		System.loadLibrary("perftestscore_jni");
		}

		@Rule
		public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();

		@@ -60,4 +68,49 @@ public class SystemPerfTest {
		state.resumeTiming();
		}
		}

		@Test
		public void testJniArrayNoop() {
		BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final int[] data = new int[450];
		while (state.keepRunning()) {
		jintarrayArgumentNoop(data, data.length);
		}
		}

		@Test
		public void testJniArrayGetLength() {
		BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final int[] data = new int[450];
		while (state.keepRunning()) {
		jintarrayGetLength(data);
		}
		}

		@Test
		public void testJniArrayCriticalAccess() {
		BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final int[] data = new int[450];
		while (state.keepRunning()) {
		jintarrayCriticalAccess(data, 50);
		}
		}

		@Test
		public void testJniArrayBasicAccess() {
		BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final int[] data = new int[450];
		while (state.keepRunning()) {
		jintarrayBasicAccess(data, 50);
		}
		}

		@FastNative
		private static native void jintarrayArgumentNoop(int[] array, int length);
		@FastNative
		private static native int jintarrayGetLength(int[] array);
		@FastNative
		private static native int jintarrayCriticalAccess(int[] array, int index);
		@FastNative
		private static native int jintarrayBasicAccess(int[] array, int index);
		}