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Mujoco_WASM/test/benchmark/parse_benchmark_test.cc
T
Kyle Bayes 1490336955 Change LoadModelFromString to return a smart pointer, add MakeData, and update tests to have C++ RAII clean up model and data.
PiperOrigin-RevId: 935980153
Change-Id: I41d25bfab4935494dc984168820cb7cad123cadf
2026-06-22 04:19:01 -07:00

141 lines
4.3 KiB
C++

// Copyright 2021 DeepMind Technologies Limited
//
// 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.
// A benchmark for parsing and compiling models from XML.
#include <array>
#include <memory>
#include <string>
#include <benchmark/benchmark.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <absl/base/attributes.h>
#include <absl/strings/str_format.h>
#include <mujoco/mjmodel.h>
#include <mujoco/mujoco.h>
#include "test/fixture.h"
namespace mujoco {
namespace {
using ::testing::Eq;
using ::testing::NotNull;
static void run_parse_benchmark(const std::string xml_path,
benchmark::State& state) {
MujocoErrorTestGuard guard; // Fail test if there are any mujoco errors
int vfs_errno = 0;
std::string vfs_errmsg = "";
auto vfs = std::make_unique<mjVFS>();
mj_defaultVFS(vfs.get());
if ((vfs_errno = mj_addFileVFS(vfs.get(), "", xml_path.data()))) {
if (vfs_errno == 1) {
vfs_errmsg = "VFS is full"; // should not occur
} else if (vfs_errno == 2) {
vfs_errmsg = "Repeated name in VFS"; // should not occur
} else {
vfs_errmsg = "File not found";
}
}
ASSERT_THAT(vfs_errno, Eq(0)) << "Failed to add file to VFS: " << vfs_errmsg;
// load once to warm up filesystem and compiler cache
std::array<char, 1024> error;
mjModel* model =
mj_loadXML(xml_path.data(), vfs.get(), error.data(), error.size());
ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
for (auto s : state) {
mjModel* model = mj_loadXML(xml_path.data(), vfs.get(), 0, 0);
mj_deleteModel(model);
}
state.SetLabel(xml_path);
mj_deleteVFS(vfs.get());
}
// Use ABSL_ATTRIBUTE_NO_TAIL_CALL to make sure the benchmark functions appear
// separately in CPU profiles (and don't get replaced with raw calls to
// run_parse_benchmark).
void ABSL_ATTRIBUTE_NO_TAIL_CALL BM_ParseFlagPlugin(benchmark::State& state) {
run_parse_benchmark(GetModelPath("flex/flag.xml"), state);
}
BENCHMARK(BM_ParseFlagPlugin);
void ABSL_ATTRIBUTE_NO_TAIL_CALL BM_ParseFlag(benchmark::State& state) {
run_parse_benchmark(GetModelPath("../test/benchmark/testdata/flag.xml"),
state);
}
BENCHMARK(BM_ParseFlag);
void ABSL_ATTRIBUTE_NO_TAIL_CALL BM_ParseHumanoid(benchmark::State& state) {
run_parse_benchmark(GetModelPath("humanoid/humanoid.xml"), state);
}
BENCHMARK(BM_ParseHumanoid);
void ABSL_ATTRIBUTE_NO_TAIL_CALL BM_ParseHumanoid100(benchmark::State& state) {
run_parse_benchmark(GetModelPath("humanoid/humanoid100.xml"), state);
}
BENCHMARK(BM_ParseHumanoid100);
void BM_CompileManyTextures(benchmark::State& state) {
MujocoErrorTestGuard guard; // Fail test if there are any mujoco errors
std::string texture_path =
GetTestDataFilePath("benchmark/testdata/noise.png");
// Create a model with many textures
std::string xml = "<mujoco>\n";
xml += " <asset>\n";
for (int i = 0; i < 100; ++i) {
xml += absl::StrFormat(" <texture name='tex%d' type='2d' file='%s'/>\n",
i, texture_path);
}
xml += " </asset>\n";
xml += " <worldbody>\n";
xml += " <geom size='1'/>\n";
xml += " </worldbody>\n";
xml += "</mujoco>\n";
// Disable cache to simulate many textures without needing separate
// testdata files.
auto* cache = mj_getCache();
int old_capacity = mj_getCacheCapacity(cache);
mj_setCacheCapacity(cache, 0);
for (auto s : state) {
char error[1024];
MjModelPtr model = LoadModelFromString(xml, error, sizeof(error));
}
// Reset cache capacity to default value.
mj_setCacheCapacity(cache, old_capacity);
}
BENCHMARK(BM_CompileManyTextures);
} // namespace
void ABSL_ATTRIBUTE_NO_TAIL_CALL BM_ParseCacheHits(benchmark::State& state) {
run_parse_benchmark(
GetModelPath("../test/benchmark/testdata/cache_hits.xml"), state);
}
BENCHMARK(BM_ParseCacheHits);
} // namespace mujoco