Adam Lesinski c8f71aa67e 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
2017-02-15 12:40:02 -08:00

65 lines
2.3 KiB
C++

/*
* 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.
*/
#include "androidfw/AssetManager.h"
#include "androidfw/ResourceTypes.h"
#include "BenchmarkHelpers.h"
#include "TestHelpers.h"
#include "data/sparse/R.h"
namespace sparse = com::android::sparse;
namespace android {
static void BM_SparseEntryGetResourceSparseSmall(benchmark::State& state) {
ResTable_config config;
memset(&config, 0, sizeof(config));
config.sdkVersion = 26;
GetResourceBenchmarkOld({GetTestDataPath() + "/sparse/sparse.apk"}, &config,
sparse::R::integer::foo_9, state);
}
BENCHMARK(BM_SparseEntryGetResourceSparseSmall);
static void BM_SparseEntryGetResourceNotSparseSmall(benchmark::State& state) {
ResTable_config config;
memset(&config, 0, sizeof(config));
config.sdkVersion = 26;
GetResourceBenchmarkOld({GetTestDataPath() + "/sparse/not_sparse.apk"}, &config,
sparse::R::integer::foo_9, state);
}
BENCHMARK(BM_SparseEntryGetResourceNotSparseSmall);
static void BM_SparseEntryGetResourceSparseLarge(benchmark::State& state) {
ResTable_config config;
memset(&config, 0, sizeof(config));
config.sdkVersion = 26;
GetResourceBenchmarkOld({GetTestDataPath() + "/sparse/sparse.apk"}, &config,
sparse::R::string::foo_999, state);
}
BENCHMARK(BM_SparseEntryGetResourceSparseLarge);
static void BM_SparseEntryGetResourceNotSparseLarge(benchmark::State& state) {
ResTable_config config;
memset(&config, 0, sizeof(config));
config.sdkVersion = 26;
GetResourceBenchmarkOld({GetTestDataPath() + "/sparse/not_sparse.apk"}, &config,
sparse::R::string::foo_999, state);
}
BENCHMARK(BM_SparseEntryGetResourceNotSparseLarge);
} // namespace android