1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
//===-- malloc_benchmark.cpp ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "allocator_config.h"
#include "combined.h"
#include "common.h"
#include "benchmark/benchmark.h"
#include <memory>
#include <vector>
void *CurrentAllocator;
template <typename Config> void PostInitCallback() {
reinterpret_cast<scudo::Allocator<Config> *>(CurrentAllocator)->initGwpAsan();
}
template <typename Config> static void BM_malloc_free(benchmark::State &State) {
using AllocatorT = scudo::Allocator<Config, PostInitCallback<Config>>;
auto Deleter = [](AllocatorT *A) {
A->unmapTestOnly();
delete A;
};
std::unique_ptr<AllocatorT, decltype(Deleter)> Allocator(new AllocatorT,
Deleter);
CurrentAllocator = Allocator.get();
const size_t NBytes = State.range(0);
size_t PageSize = scudo::getPageSizeCached();
for (auto _ : State) {
void *Ptr = Allocator->allocate(NBytes, scudo::Chunk::Origin::Malloc);
auto *Data = reinterpret_cast<uint8_t *>(Ptr);
for (size_t I = 0; I < NBytes; I += PageSize)
Data[I] = 1;
benchmark::DoNotOptimize(Ptr);
Allocator->deallocate(Ptr, scudo::Chunk::Origin::Malloc);
}
State.SetBytesProcessed(uint64_t(State.iterations()) * uint64_t(NBytes));
}
static const size_t MinSize = 8;
static const size_t MaxSize = 128 * 1024;
// FIXME: Add DefaultConfig here once we can tear down the exclusive TSD
// cleanly.
BENCHMARK_TEMPLATE(BM_malloc_free, scudo::AndroidConfig)
->Range(MinSize, MaxSize);
BENCHMARK_TEMPLATE(BM_malloc_free, scudo::AndroidSvelteConfig)
->Range(MinSize, MaxSize);
#if SCUDO_CAN_USE_PRIMARY64
BENCHMARK_TEMPLATE(BM_malloc_free, scudo::FuchsiaConfig)
->Range(MinSize, MaxSize);
#endif
template <typename Config>
static void BM_malloc_free_loop(benchmark::State &State) {
using AllocatorT = scudo::Allocator<Config, PostInitCallback<Config>>;
auto Deleter = [](AllocatorT *A) {
A->unmapTestOnly();
delete A;
};
std::unique_ptr<AllocatorT, decltype(Deleter)> Allocator(new AllocatorT,
Deleter);
CurrentAllocator = Allocator.get();
const size_t NumIters = State.range(0);
size_t PageSize = scudo::getPageSizeCached();
std::vector<void *> Ptrs(NumIters);
for (auto _ : State) {
size_t SizeLog2 = 0;
for (void *&Ptr : Ptrs) {
Ptr = Allocator->allocate(1 << SizeLog2, scudo::Chunk::Origin::Malloc);
auto *Data = reinterpret_cast<uint8_t *>(Ptr);
for (size_t I = 0; I < 1 << SizeLog2; I += PageSize)
Data[I] = 1;
benchmark::DoNotOptimize(Ptr);
SizeLog2 = (SizeLog2 + 1) % 16;
}
for (void *&Ptr : Ptrs)
Allocator->deallocate(Ptr, scudo::Chunk::Origin::Malloc);
}
State.SetBytesProcessed(uint64_t(State.iterations()) * uint64_t(NumIters) *
8192);
}
static const size_t MinIters = 8;
static const size_t MaxIters = 32 * 1024;
// FIXME: Add DefaultConfig here once we can tear down the exclusive TSD
// cleanly.
BENCHMARK_TEMPLATE(BM_malloc_free_loop, scudo::AndroidConfig)
->Range(MinIters, MaxIters);
BENCHMARK_TEMPLATE(BM_malloc_free_loop, scudo::AndroidSvelteConfig)
->Range(MinIters, MaxIters);
#if SCUDO_CAN_USE_PRIMARY64
BENCHMARK_TEMPLATE(BM_malloc_free_loop, scudo::FuchsiaConfig)
->Range(MinIters, MaxIters);
#endif
BENCHMARK_MAIN();
|
