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Commit 77b87413 authored by Jim Shargo's avatar Jim Shargo Committed by Automerger Merge Worker
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nativewindow: Add more benchmarks to evaluate FFI costs am: ba294d7d am:... 

nativewindow: Add more benchmarks to evaluate FFI costs am: ba294d7d am: cbcbb113 am: ab68d2c7 am: 42d34fca

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2776853



Change-Id: Ic61b7dc3a45152dbf319d6b455b242dced757fa9
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 610e66f4 42d34fca

libs/nativewindow/tests/benchmark/buffer_benchmarks.cc

+44 −8
Original line number Diff line number Diff line
@@ -16,16 +16,17 @@ 
#include <android/hardware_buffer.h>

#include <benchmark/benchmark.h>



static void BM_BufferAllocationDeallocation(benchmark::State& state) {

    AHardwareBuffer_Desc buffer_desc = {.width = 1280,

constexpr AHardwareBuffer_Desc k720pDesc = {.width = 1280,

                                            .height = 720,

                                            .layers = 1,

                                            .format = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM,

                                            .usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN,

                                            .stride = 0};



static void BM_BufferAllocationDeallocation(benchmark::State& state) {

    AHardwareBuffer* buffer = nullptr;

    for (auto _ : state) {

        int status = AHardwareBuffer_allocate(&buffer_desc, &buffer);

        int status = AHardwareBuffer_allocate(&k720pDesc, &buffer);

        if (UNLIKELY(status != 0)) {

            state.SkipWithError("Unable to allocate buffer.");

        }
@@ -35,4 +36,39 @@ static void BM_BufferAllocationDeallocation(benchmark::State& state) { 
}

BENCHMARK(BM_BufferAllocationDeallocation);



static void BM_AHardwareBuffer_Id(benchmark::State& state) {

    AHardwareBuffer* buffer = nullptr;

    int status = AHardwareBuffer_allocate(&k720pDesc, &buffer);

    if (UNLIKELY(status != 0)) {

        state.SkipWithError("Unable to allocate buffer.");

    }



    for (auto _ : state) {

        uint64_t id = 0;

        int status = AHardwareBuffer_getId(buffer, &id);

        if (UNLIKELY(status != 0)) {

            state.SkipWithError("Unable to get ID.");

        }

    }



    AHardwareBuffer_release(buffer);

}

BENCHMARK(BM_AHardwareBuffer_Id);



static void BM_AHardwareBuffer_Desc(benchmark::State& state) {

    AHardwareBuffer* buffer = nullptr;

    int status = AHardwareBuffer_allocate(&k720pDesc, &buffer);

    if (UNLIKELY(status != 0)) {

        state.SkipWithError("Unable to allocate buffer.");

    }



    for (auto _ : state) {

        AHardwareBuffer_Desc desc = {};

        AHardwareBuffer_describe(buffer, &desc);

    }



    AHardwareBuffer_release(buffer);

}

BENCHMARK(BM_AHardwareBuffer_Desc);



BENCHMARK_MAIN();

libs/nativewindow/tests/benchmark/buffer_benchmarks.rs

+25 −5
Original line number Diff line number Diff line
@@ -20,20 +20,40 @@ 
use criterion::*;

use nativewindow::*;



fn allocate_deallocate() {

    let buffer = AHardwareBuffer::new(

#[inline]

fn create_720p_buffer() -> AHardwareBuffer {

    AHardwareBuffer::new(

        1280,

        720,

        1,

        AHardwareBuffer_Format::AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM,

        AHardwareBuffer_UsageFlags::AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN,

    )

    .unwrap();

    drop(buffer);

    .unwrap()

}



fn criterion_benchmark(c: &mut Criterion) {

    c.bench_function("allocate_deallocate", |b| b.iter(allocate_deallocate));

    c.bench_function("allocate_deallocate", |b| {

        b.iter(|| {

            let buffer = create_720p_buffer();

            drop(buffer);

        })

    });



    let buffer = create_720p_buffer();

    c.bench_with_input(BenchmarkId::new("id", "buffer"), &buffer, |b, buffer| {

        b.iter(|| {

            buffer.id();

        })

    });



    // This benchmark exercises getters that need to fetch data via an

    // underlying call to AHardwareBuffer_describe.

    c.bench_with_input(BenchmarkId::new("desc", "buffer"), &buffer, |b, buffer| {

        b.iter(|| {

            buffer.width();

        })

    });

}



criterion_group!(benches, criterion_benchmark);