CMake: Add build rules for google benchmark.
Add a single Reactor Coroutine benchmark so there's something to compile.
Bug: b/148660286
Change-Id: Icbc4c44dd5c0f1ab495c3b8eddce6ea90199e987
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/40809
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73cf966..caf9097 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -110,6 +110,7 @@
option_if_not_defined(SWIFTSHADER_BUILD_SAMPLES "Build sample programs" 1)
option_if_not_defined(SWIFTSHADER_BUILD_TESTS "Build test programs" 1)
+option_if_not_defined(SWIFTSHADER_BUILD_BENCHMARKS "Build benchmarks" 0)
option_if_not_defined(SWIFTSHADER_MSAN "Build with memory sanitizer" 0)
option_if_not_defined(SWIFTSHADER_ASAN "Build with address sanitizer" 0)
@@ -160,17 +161,32 @@
# Initialize submodules
###########################################################
-if (NOT TARGET gtest)
- if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/third_party/googletest/.git)
- message(WARNING "
- third_party/googletest submodule missing.
- Running 'git submodule update --init' to download it:
- ")
+if (SWIFTSHADER_BUILD_TESTS)
+ if (NOT TARGET gtest)
+ if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/third_party/googletest/.git)
+ message(WARNING "
+ third_party/googletest submodule missing.
+ Running 'git submodule update --init' to download it:
+ ")
- execute_process(COMMAND git submodule update --init ${CMAKE_CURRENT_SOURCE_DIR}/third_party/googletest)
+ execute_process(COMMAND git submodule update --init ${CMAKE_CURRENT_SOURCE_DIR}/third_party/googletest)
+ endif()
endif()
endif()
+if(SWIFTSHADER_BUILD_BENCHMARKS)
+ if (NOT TARGET benchmark::benchmark)
+ if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/third_party/benchmark/.git)
+ message(WARNING "
+ third_party/benchmark submodule missing.
+ Running 'git submodule update --init' to download it:
+ ")
+
+ execute_process(COMMAND git submodule update --init ${CMAKE_CURRENT_SOURCE_DIR}/third_party/benchmark)
+ endif()
+ endif()
+endif(SWIFTSHADER_BUILD_BENCHMARKS)
+
if (NOT TARGET libbacktrace)
if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/third_party/libbacktrace/src/.git)
message(WARNING "
@@ -2302,6 +2318,25 @@
endif()
endif(SWIFTSHADER_BUILD_TESTS)
+if(SWIFTSHADER_BUILD_BENCHMARKS)
+ if (NOT TARGET benchmark::benchmark)
+ set(BENCHMARK_ENABLE_TESTING FALSE CACHE BOOL FALSE FORCE)
+ add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/third_party/benchmark)
+ endif()
+
+ set(REACTOR_BENCHMARK_LIST
+ ${SOURCE_DIR}/Reactor/ReactorBenchmarks.cpp
+ )
+
+ add_executable(ReactorBenchmarks ${REACTOR_BENCHMARK_LIST})
+ target_link_libraries(ReactorBenchmarks benchmark::benchmark ${Reactor})
+
+ set_target_properties(ReactorBenchmarks PROPERTIES
+ COMPILE_OPTIONS "${SWIFTSHADER_COMPILE_OPTIONS}"
+ FOLDER "Benchmarks"
+ )
+endif(SWIFTSHADER_BUILD_BENCHMARKS)
+
if(SWIFTSHADER_BUILD_TESTS AND SWIFTSHADER_BUILD_VULKAN)
set(VK_UNITTESTS_LIST
${CMAKE_CURRENT_SOURCE_DIR}/tests/VulkanUnitTests/Device.cpp
diff --git a/src/Reactor/ReactorBenchmarks.cpp b/src/Reactor/ReactorBenchmarks.cpp
new file mode 100644
index 0000000..613ffde
--- /dev/null
+++ b/src/Reactor/ReactorBenchmarks.cpp
@@ -0,0 +1,63 @@
+// Copyright 2020 The SwiftShader Authors. All Rights Reserved.
+//
+// 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 "Coroutine.hpp"
+#include "Reactor.hpp"
+
+#include "benchmark/benchmark.h"
+
+BENCHMARK_MAIN();
+
+class Coroutines : public benchmark::Fixture
+{
+public:
+ void SetUp(const ::benchmark::State &state) {}
+
+ void TearDown(const ::benchmark::State &state) {}
+};
+
+BENCHMARK_F(Coroutines, Fibonacci)
+(benchmark::State &state)
+{
+ using namespace rr;
+
+ if(!Caps.CoroutinesSupported)
+ {
+ state.SkipWithError("Coroutines are not supported");
+ return;
+ }
+
+ Coroutine<int()> function;
+ {
+ Yield(Int(0));
+ Yield(Int(1));
+ Int current = 1;
+ Int next = 1;
+ While(true)
+ {
+ Yield(next);
+ auto tmp = current + next;
+ current = next;
+ next = tmp;
+ }
+ }
+
+ auto coroutine = function();
+
+ int out = 0;
+ for(auto _ : state)
+ {
+ coroutine->await(out);
+ }
+}
