mirror of
https://github.com/mutouyun/cpp-ipc.git
synced 2025-12-06 16:56:45 +08:00
325 lines
16 KiB
C++
325 lines
16 KiB
C++
|
|
#include <array>
|
|
#include <cstdlib>
|
|
#include <cstddef>
|
|
|
|
#include "benchmark/benchmark.h"
|
|
|
|
#include "libpmr/new.h"
|
|
|
|
namespace {
|
|
|
|
template <typename T, std::size_t N>
|
|
class cache {
|
|
public:
|
|
template <typename U>
|
|
void push(U &&u) noexcept {
|
|
data_[idx_++] = std::forward<U>(u);
|
|
}
|
|
|
|
T &pop() noexcept {
|
|
return data_[--idx_];
|
|
}
|
|
|
|
bool at_begin() const noexcept {
|
|
return idx_ == 0;
|
|
}
|
|
|
|
bool at_end() const noexcept {
|
|
return idx_ == N;
|
|
}
|
|
|
|
private:
|
|
std::array<T, N> data_{};
|
|
std::size_t idx_{};
|
|
};
|
|
|
|
template <typename P, std::size_t CacheSize = 128>
|
|
class test_suit {
|
|
void next(std::size_t &idx) noexcept {
|
|
idx = (idx + 1) % 3;
|
|
}
|
|
|
|
public:
|
|
~test_suit() noexcept {
|
|
for (auto &pts : pts_) {
|
|
while (!pts.at_begin()) {
|
|
P::deallocate(pts.pop());
|
|
}
|
|
}
|
|
}
|
|
|
|
bool test_allocate() noexcept {
|
|
auto &pts = pts_[idx_a_];
|
|
pts.push(P::allocate());
|
|
if (pts.at_end()) {
|
|
next(idx_a_);
|
|
idx_d_ = idx_a_;
|
|
}
|
|
return ++allocated_ < CacheSize;
|
|
}
|
|
|
|
bool test_deallocate() noexcept {
|
|
auto &pts = pts_[idx_d_];
|
|
if (pts.at_begin()) {
|
|
next(idx_d_);
|
|
if (allocated_ == CacheSize) {
|
|
allocated_ = CacheSize / 2;
|
|
return true;
|
|
}
|
|
return allocated_ > 0;
|
|
}
|
|
P::deallocate(pts.pop());
|
|
--allocated_;
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
cache<void *, CacheSize / 2> pts_[3];
|
|
std::size_t idx_a_{};
|
|
std::size_t idx_d_{};
|
|
std::size_t allocated_{};
|
|
};
|
|
|
|
template <std::size_t AllocSize>
|
|
struct policy_malloc {
|
|
static void *allocate() noexcept {
|
|
return std::malloc(AllocSize);
|
|
}
|
|
|
|
static void deallocate(void *p) noexcept {
|
|
std::free(p);
|
|
}
|
|
};
|
|
|
|
template <std::size_t AllocSize>
|
|
struct policy_cpp_new {
|
|
static void *allocate() noexcept {
|
|
return new char[AllocSize];
|
|
}
|
|
|
|
static void deallocate(void *p) noexcept {
|
|
delete[] static_cast<char *>(p);
|
|
}
|
|
};
|
|
|
|
template <std::size_t AllocSize>
|
|
struct policy_pmr_new {
|
|
static void *allocate() noexcept {
|
|
return pmr::$new<std::array<char, AllocSize>>();
|
|
}
|
|
|
|
static void deallocate(void *p) noexcept {
|
|
pmr::$delete(static_cast<std::array<char, AllocSize> *>(p));
|
|
}
|
|
};
|
|
|
|
template <template <std::size_t> class P, std::size_t AllocSize>
|
|
void pmr_allocate(benchmark::State &state) {
|
|
test_suit<P<AllocSize>> suit;
|
|
for (auto _ : state) {
|
|
if (suit.test_allocate()) continue;
|
|
state.PauseTiming();
|
|
while (suit.test_deallocate()) ;
|
|
state.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
template <template <std::size_t> class P, std::size_t AllocSize>
|
|
void pmr_deallocate(benchmark::State &state) {
|
|
test_suit<P<AllocSize>> suit;
|
|
for (auto _ : state) {
|
|
if (suit.test_deallocate()) continue;
|
|
state.PauseTiming();
|
|
while (suit.test_allocate()) ;
|
|
state.ResumeTiming();
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
BENCHMARK(pmr_allocate<policy_malloc, 8>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_malloc, 32>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_malloc, 128>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_malloc, 1024>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_malloc, 8>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_malloc, 32>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_malloc, 128>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_malloc, 1024>)->ThreadRange(1, 16);
|
|
|
|
BENCHMARK(pmr_allocate<policy_cpp_new, 8>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_cpp_new, 32>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_cpp_new, 128>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_cpp_new, 1024>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_cpp_new, 8>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_cpp_new, 32>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_cpp_new, 128>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_cpp_new, 1024>)->ThreadRange(1, 16);
|
|
|
|
BENCHMARK(pmr_allocate<policy_pmr_new, 8>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_pmr_new, 32>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_pmr_new, 128>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_allocate<policy_pmr_new, 1024>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_pmr_new, 8>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_pmr_new, 32>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_pmr_new, 128>)->ThreadRange(1, 16);
|
|
BENCHMARK(pmr_deallocate<policy_pmr_new, 1024>)->ThreadRange(1, 16);
|
|
|
|
/*
|
|
Run on (16 X 2313.68 MHz CPU s)
|
|
CPU Caches:
|
|
L1 Data 48 KiB (x8)
|
|
L1 Instruction 32 KiB (x8)
|
|
L2 Unified 1280 KiB (x8)
|
|
L3 Unified 24576 KiB (x1)
|
|
------------------------------------------------------------------------------------------
|
|
Benchmark Time CPU Iterations
|
|
------------------------------------------------------------------------------------------
|
|
pmr_allocate<policy_malloc, 8>/threads:1 28.9 ns 29.8 ns 29866667
|
|
pmr_allocate<policy_malloc, 8>/threads:2 28.9 ns 53.7 ns 12800000
|
|
pmr_allocate<policy_malloc, 8>/threads:4 13.4 ns 43.9 ns 14933332
|
|
pmr_allocate<policy_malloc, 8>/threads:8 11.3 ns 68.4 ns 8000000
|
|
pmr_allocate<policy_malloc, 8>/threads:16 5.07 ns 56.7 ns 14336000
|
|
|
|
pmr_allocate<policy_malloc, 32>/threads:1 44.0 ns 42.1 ns 19298462
|
|
pmr_allocate<policy_malloc, 32>/threads:2 27.4 ns 54.9 ns 12800000
|
|
pmr_allocate<policy_malloc, 32>/threads:4 11.7 ns 47.1 ns 17920000
|
|
pmr_allocate<policy_malloc, 32>/threads:8 5.96 ns 43.7 ns 21082352
|
|
pmr_allocate<policy_malloc, 32>/threads:16 4.09 ns 56.7 ns 17920000
|
|
|
|
pmr_allocate<policy_malloc, 128>/threads:1 45.8 ns 39.6 ns 16592593
|
|
pmr_allocate<policy_malloc, 128>/threads:2 36.9 ns 75.3 ns 9955556
|
|
pmr_allocate<policy_malloc, 128>/threads:4 16.3 ns 66.7 ns 11946668
|
|
pmr_allocate<policy_malloc, 128>/threads:8 10.7 ns 77.1 ns 13784616
|
|
pmr_allocate<policy_malloc, 128>/threads:16 7.87 ns 94.8 ns 14336000
|
|
|
|
pmr_allocate<policy_malloc, 1024>/threads:1 75.5 ns 78.8 ns 8726261
|
|
pmr_allocate<policy_malloc, 1024>/threads:2 49.6 ns 46.9 ns 20000000
|
|
pmr_allocate<policy_malloc, 1024>/threads:4 18.4 ns 40.8 ns 29866668
|
|
pmr_allocate<policy_malloc, 1024>/threads:8 6.56 ns 25.6 ns 29866664
|
|
pmr_allocate<policy_malloc, 1024>/threads:16 6.25 ns 56.6 ns 16000000
|
|
------------------------------------------------------------------------------------------
|
|
pmr_deallocate<policy_malloc, 8>/threads:1 18.6 ns 19.9 ns 47786667
|
|
pmr_deallocate<policy_malloc, 8>/threads:2 8.52 ns 16.2 ns 47157894
|
|
pmr_deallocate<policy_malloc, 8>/threads:4 4.75 ns 18.8 ns 40000000
|
|
pmr_deallocate<policy_malloc, 8>/threads:8 3.18 ns 24.7 ns 51200000
|
|
pmr_deallocate<policy_malloc, 8>/threads:16 2.94 ns 38.1 ns 16000000
|
|
|
|
pmr_deallocate<policy_malloc, 32>/threads:1 18.0 ns 16.7 ns 45875200
|
|
pmr_deallocate<policy_malloc, 32>/threads:2 8.76 ns 19.9 ns 47157894
|
|
pmr_deallocate<policy_malloc, 32>/threads:4 4.50 ns 14.6 ns 44800000
|
|
pmr_deallocate<policy_malloc, 32>/threads:8 2.70 ns 16.7 ns 59733336
|
|
pmr_deallocate<policy_malloc, 32>/threads:16 2.30 ns 36.6 ns 23893328
|
|
|
|
pmr_deallocate<policy_malloc, 128>/threads:1 17.9 ns 16.3 ns 34461538
|
|
pmr_deallocate<policy_malloc, 128>/threads:2 8.29 ns 21.0 ns 66901334
|
|
pmr_deallocate<policy_malloc, 128>/threads:4 4.40 ns 14.5 ns 40000000
|
|
pmr_deallocate<policy_malloc, 128>/threads:8 2.65 ns 20.1 ns 80000000
|
|
pmr_deallocate<policy_malloc, 128>/threads:16 2.95 ns 40.5 ns 24717248
|
|
|
|
pmr_deallocate<policy_malloc, 1024>/threads:1 19.0 ns 20.4 ns 34461538
|
|
pmr_deallocate<policy_malloc, 1024>/threads:2 8.62 ns 19.7 ns 38956522
|
|
pmr_deallocate<policy_malloc, 1024>/threads:4 4.70 ns 11.7 ns 64000000
|
|
pmr_deallocate<policy_malloc, 1024>/threads:8 2.80 ns 16.0 ns 80000000
|
|
pmr_deallocate<policy_malloc, 1024>/threads:16 2.45 ns 26.1 ns 27569232
|
|
------------------------------------------------------------------------------------------
|
|
Benchmark Time CPU Iterations
|
|
------------------------------------------------------------------------------------------
|
|
pmr_allocate<policy_cpp_new, 8>/threads:1 69.5 ns 78.5 ns 8960000
|
|
pmr_allocate<policy_cpp_new, 8>/threads:2 24.0 ns 40.1 ns 17920000
|
|
pmr_allocate<policy_cpp_new, 8>/threads:4 10.4 ns 37.1 ns 29866668
|
|
pmr_allocate<policy_cpp_new, 8>/threads:8 5.39 ns 42.2 ns 21082352
|
|
pmr_allocate<policy_cpp_new, 8>/threads:16 3.40 ns 45.9 ns 16000000
|
|
|
|
pmr_allocate<policy_cpp_new, 32>/threads:1 29.4 ns 29.5 ns 34461538
|
|
pmr_allocate<policy_cpp_new, 32>/threads:2 24.8 ns 43.9 ns 14933334
|
|
pmr_allocate<policy_cpp_new, 32>/threads:4 11.5 ns 45.1 ns 16290908
|
|
pmr_allocate<policy_cpp_new, 32>/threads:8 5.26 ns 34.8 ns 25600000
|
|
pmr_allocate<policy_cpp_new, 32>/threads:16 5.82 ns 90.7 ns 5513840
|
|
|
|
pmr_allocate<policy_cpp_new, 128>/threads:1 74.0 ns 66.3 ns 8960000
|
|
pmr_allocate<policy_cpp_new, 128>/threads:2 37.7 ns 80.6 ns 14933334
|
|
pmr_allocate<policy_cpp_new, 128>/threads:4 15.1 ns 52.1 ns 13784616
|
|
pmr_allocate<policy_cpp_new, 128>/threads:8 9.84 ns 63.2 ns 12358624
|
|
pmr_allocate<policy_cpp_new, 128>/threads:16 8.05 ns 110 ns 11946672
|
|
|
|
pmr_allocate<policy_cpp_new, 1024>/threads:1 79.5 ns 82.8 ns 10000000
|
|
pmr_allocate<policy_cpp_new, 1024>/threads:2 27.2 ns 59.6 ns 14933334
|
|
pmr_allocate<policy_cpp_new, 1024>/threads:4 12.3 ns 37.5 ns 40000000
|
|
pmr_allocate<policy_cpp_new, 1024>/threads:8 10.3 ns 29.8 ns 39822224
|
|
pmr_allocate<policy_cpp_new, 1024>/threads:16 6.17 ns 39.1 ns 16000000
|
|
------------------------------------------------------------------------------------------
|
|
pmr_deallocate<policy_cpp_new, 8>/threads:1 17.9 ns 18.9 ns 50301754
|
|
pmr_deallocate<policy_cpp_new, 8>/threads:2 8.73 ns 15.4 ns 51794580
|
|
pmr_deallocate<policy_cpp_new, 8>/threads:4 4.26 ns 15.2 ns 40000000
|
|
pmr_deallocate<policy_cpp_new, 8>/threads:8 2.46 ns 17.9 ns 71680000
|
|
pmr_deallocate<policy_cpp_new, 8>/threads:16 2.20 ns 34.0 ns 27569232
|
|
|
|
pmr_deallocate<policy_cpp_new, 32>/threads:1 16.1 ns 16.5 ns 56000000
|
|
pmr_deallocate<policy_cpp_new, 32>/threads:2 8.84 ns 16.1 ns 68923076
|
|
pmr_deallocate<policy_cpp_new, 32>/threads:4 4.48 ns 19.5 ns 44800000
|
|
pmr_deallocate<policy_cpp_new, 32>/threads:8 2.65 ns 15.3 ns 35840000
|
|
pmr_deallocate<policy_cpp_new, 32>/threads:16 2.20 ns 35.3 ns 23893328
|
|
|
|
pmr_deallocate<policy_cpp_new, 128>/threads:1 18.3 ns 21.1 ns 40727273
|
|
pmr_deallocate<policy_cpp_new, 128>/threads:2 8.83 ns 15.6 ns 38956522
|
|
pmr_deallocate<policy_cpp_new, 128>/threads:4 4.51 ns 17.6 ns 40000000
|
|
pmr_deallocate<policy_cpp_new, 128>/threads:8 2.93 ns 18.4 ns 39841984
|
|
pmr_deallocate<policy_cpp_new, 128>/threads:16 2.85 ns 36.1 ns 16000000
|
|
|
|
pmr_deallocate<policy_cpp_new, 1024>/threads:1 19.6 ns 16.0 ns 49777778
|
|
pmr_deallocate<policy_cpp_new, 1024>/threads:2 8.90 ns 17.9 ns 43631304
|
|
pmr_deallocate<policy_cpp_new, 1024>/threads:4 4.93 ns 13.7 ns 40000000
|
|
pmr_deallocate<policy_cpp_new, 1024>/threads:8 2.72 ns 19.9 ns 80000000
|
|
pmr_deallocate<policy_cpp_new, 1024>/threads:16 2.23 ns 29.0 ns 39822224
|
|
------------------------------------------------------------------------------------------
|
|
Benchmark Time CPU Iterations
|
|
------------------------------------------------------------------------------------------
|
|
pmr_allocate<policy_pmr_new, 8>/threads:1 17.6 ns 18.8 ns 49777778
|
|
pmr_allocate<policy_pmr_new, 8>/threads:2 9.16 ns 14.5 ns 34461538
|
|
pmr_allocate<policy_pmr_new, 8>/threads:4 4.82 ns 18.8 ns 40000000
|
|
pmr_allocate<policy_pmr_new, 8>/threads:8 2.73 ns 17.4 ns 71680000
|
|
pmr_allocate<policy_pmr_new, 8>/threads:16 2.10 ns 34.1 ns 24717248
|
|
|
|
pmr_allocate<policy_pmr_new, 32>/threads:1 17.5 ns 14.6 ns 44800000
|
|
pmr_allocate<policy_pmr_new, 32>/threads:2 8.88 ns 16.0 ns 38956522
|
|
pmr_allocate<policy_pmr_new, 32>/threads:4 4.71 ns 17.8 ns 44800000
|
|
pmr_allocate<policy_pmr_new, 32>/threads:8 2.57 ns 16.7 ns 44800000
|
|
pmr_allocate<policy_pmr_new, 32>/threads:16 2.08 ns 41.0 ns 16000000
|
|
|
|
pmr_allocate<policy_pmr_new, 128>/threads:1 18.5 ns 14.4 ns 44600889
|
|
pmr_allocate<policy_pmr_new, 128>/threads:2 10.7 ns 22.5 ns 38956522
|
|
pmr_allocate<policy_pmr_new, 128>/threads:4 5.09 ns 21.3 ns 44800000
|
|
pmr_allocate<policy_pmr_new, 128>/threads:8 2.78 ns 19.6 ns 59733336
|
|
pmr_allocate<policy_pmr_new, 128>/threads:16 2.33 ns 28.8 ns 26548144
|
|
|
|
pmr_allocate<policy_pmr_new, 1024>/threads:1 24.8 ns 27.9 ns 22400000
|
|
pmr_allocate<policy_pmr_new, 1024>/threads:2 12.8 ns 24.0 ns 35840000
|
|
pmr_allocate<policy_pmr_new, 1024>/threads:4 6.67 ns 26.5 ns 44800000
|
|
pmr_allocate<policy_pmr_new, 1024>/threads:8 4.28 ns 28.3 ns 29866664
|
|
pmr_allocate<policy_pmr_new, 1024>/threads:16 3.21 ns 41.0 ns 16000000
|
|
------------------------------------------------------------------------------------------
|
|
pmr_deallocate<policy_pmr_new, 8>/threads:1 17.1 ns 16.3 ns 47786667
|
|
pmr_deallocate<policy_pmr_new, 8>/threads:2 8.89 ns 18.1 ns 34461538
|
|
pmr_deallocate<policy_pmr_new, 8>/threads:4 4.50 ns 16.1 ns 35840000
|
|
pmr_deallocate<policy_pmr_new, 8>/threads:8 2.77 ns 17.3 ns 59733336
|
|
pmr_deallocate<policy_pmr_new, 8>/threads:16 1.98 ns 34.2 ns 16000000
|
|
|
|
pmr_deallocate<policy_pmr_new, 32>/threads:1 17.1 ns 14.8 ns 49777778
|
|
pmr_deallocate<policy_pmr_new, 32>/threads:2 8.70 ns 18.7 ns 56000000
|
|
pmr_deallocate<policy_pmr_new, 32>/threads:4 4.58 ns 14.3 ns 44800000
|
|
pmr_deallocate<policy_pmr_new, 32>/threads:8 2.72 ns 17.3 ns 89600000
|
|
pmr_deallocate<policy_pmr_new, 32>/threads:16 2.04 ns 30.5 ns 25600000
|
|
|
|
pmr_deallocate<policy_pmr_new, 128>/threads:1 17.2 ns 15.3 ns 44800000
|
|
pmr_deallocate<policy_pmr_new, 128>/threads:2 8.67 ns 15.7 ns 52705882
|
|
pmr_deallocate<policy_pmr_new, 128>/threads:4 4.67 ns 18.7 ns 35840000
|
|
pmr_deallocate<policy_pmr_new, 128>/threads:8 2.76 ns 18.0 ns 39822224
|
|
pmr_deallocate<policy_pmr_new, 128>/threads:16 2.04 ns 28.3 ns 27569232
|
|
|
|
pmr_deallocate<policy_pmr_new, 1024>/threads:1 17.2 ns 21.5 ns 32000000
|
|
pmr_deallocate<policy_pmr_new, 1024>/threads:2 8.74 ns 16.0 ns 38956522
|
|
pmr_deallocate<policy_pmr_new, 1024>/threads:4 4.84 ns 16.7 ns 44800000
|
|
pmr_deallocate<policy_pmr_new, 1024>/threads:8 2.73 ns 16.0 ns 44800000
|
|
pmr_deallocate<policy_pmr_new, 1024>/threads:16 2.04 ns 37.1 ns 16000000
|
|
*/ |