Add ResTable_sparseTypeEntry support
Benchmarks on bullhead-userdebug show that there is a negligent
performance impact when using sparse entries on a 30% loaded
sparse type of 1000 resources.
Benchmark Time CPU Iterations
-----------------------------------------------------------------------------------
BM_SparseEntryGetResourceSparseLarge 255 ns 254 ns 2751408
BM_SparseEntryGetResourceNotSparseLarge 254 ns 254 ns 2756534
Bug: 27381711
Test: make libandroidfw_tests aapt2_tests
Change-Id: I051ea22f2f6b2bc3696e446adc9e2a34be18009f
diff --git a/libs/androidfw/tests/BenchmarkHelpers.h b/libs/androidfw/tests/BenchmarkHelpers.h
new file mode 100644
index 0000000..fc36664
--- /dev/null
+++ b/libs/androidfw/tests/BenchmarkHelpers.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#ifndef TESTS_BENCHMARKHELPERS_H_
+#define TESTS_BENCHMARKHELPERS_H_
+
+#include <string>
+#include <vector>
+
+#include "benchmark/benchmark.h"
+
+#include "androidfw/ResourceTypes.h"
+
+namespace android {
+
+void GetResourceBenchmarkOld(const std::vector<std::string>& paths, const ResTable_config* config,
+ uint32_t resid, benchmark::State& state);
+
+} // namespace android
+
+#endif /* TESTS_BENCHMARKHELPERS_H_ */