--- /dev/null
+/*
+ * Copyright (C) 2015 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"
+
+#include "mirror/class-inl.h"
+#include "scoped_thread_state_change.h"
+
+namespace art {
+namespace {
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeAddRemoveLocal(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ mirror::Object* obj = soa.Decode<mirror::Object*>(jobj);
+ CHECK(obj != nullptr);
+ for (jint i = 0; i < reps; ++i) {
+ jobject ref = soa.Env()->AddLocalReference<jobject>(obj);
+ soa.Env()->DeleteLocalRef(ref);
+ }
+}
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeLocal(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ mirror::Object* obj = soa.Decode<mirror::Object*>(jobj);
+ CHECK(obj != nullptr);
+ jobject ref = soa.Env()->AddLocalReference<jobject>(obj);
+ for (jint i = 0; i < reps; ++i) {
+ CHECK_EQ(soa.Decode<mirror::Object*>(ref), obj);
+ }
+ soa.Env()->DeleteLocalRef(ref);
+}
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeAddRemoveGlobal(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ mirror::Object* obj = soa.Decode<mirror::Object*>(jobj);
+ CHECK(obj != nullptr);
+ for (jint i = 0; i < reps; ++i) {
+ jobject ref = soa.Vm()->AddGlobalRef(soa.Self(), obj);
+ soa.Vm()->DeleteGlobalRef(soa.Self(), ref);
+ }
+}
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeGlobal(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ mirror::Object* obj = soa.Decode<mirror::Object*>(jobj);
+ CHECK(obj != nullptr);
+ jobject ref = soa.Vm()->AddGlobalRef(soa.Self(), obj);
+ for (jint i = 0; i < reps; ++i) {
+ CHECK_EQ(soa.Decode<mirror::Object*>(ref), obj);
+ }
+ soa.Vm()->DeleteGlobalRef(soa.Self(), ref);
+}
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeAddRemoveWeakGlobal(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ mirror::Object* obj = soa.Decode<mirror::Object*>(jobj);
+ CHECK(obj != nullptr);
+ for (jint i = 0; i < reps; ++i) {
+ jobject ref = soa.Vm()->AddWeakGlobalRef(soa.Self(), obj);
+ soa.Vm()->DeleteWeakGlobalRef(soa.Self(), ref);
+ }
+}
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeWeakGlobal(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ mirror::Object* obj = soa.Decode<mirror::Object*>(jobj);
+ CHECK(obj != nullptr);
+ jobject ref = soa.Vm()->AddWeakGlobalRef(soa.Self(), obj);
+ for (jint i = 0; i < reps; ++i) {
+ CHECK_EQ(soa.Decode<mirror::Object*>(ref), obj);
+ }
+ soa.Vm()->DeleteWeakGlobalRef(soa.Self(), ref);
+}
+
+extern "C" JNIEXPORT void JNICALL Java_JObjectBenchmark_timeDecodeHandleScopeRef(
+ JNIEnv* env, jobject jobj, jint reps) {
+ ScopedObjectAccess soa(env);
+ for (jint i = 0; i < reps; ++i) {
+ soa.Decode<mirror::Object*>(jobj);
+ }
+}
+
+} // namespace
+} // namespace art
--- /dev/null
+/*
+ * Copyright (C) 2015 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.
+ */
+
+import com.google.caliper.SimpleBenchmark;
+
+public class JObjectBenchmark extends SimpleBenchmark {
+ public JObjectBenchmark() {
+ // Make sure to link methods before benchmark starts.
+ System.loadLibrary("artbenchmark");
+ timeAddRemoveLocal(1);
+ timeDecodeLocal(1);
+ timeAddRemoveGlobal(1);
+ timeDecodeGlobal(1);
+ timeAddRemoveWeakGlobal(1);
+ timeDecodeWeakGlobal(1);
+ timeDecodeHandleScopeRef(1);
+ }
+
+ public native void timeAddRemoveLocal(int reps);
+ public native void timeDecodeLocal(int reps);
+ public native void timeAddRemoveGlobal(int reps);
+ public native void timeDecodeGlobal(int reps);
+ public native void timeAddRemoveWeakGlobal(int reps);
+ public native void timeDecodeWeakGlobal(int reps);
+ public native void timeDecodeHandleScopeRef(int reps);
+}