add stl mimalloc wrapper

This commit is contained in:
Kirsten Lee 2020-01-06 16:18:22 -08:00
parent 49acc88924
commit 743e891738
7 changed files with 85 additions and 5 deletions

View File

@ -187,6 +187,7 @@ install(TARGETS mimalloc-static EXPORT mimalloc DESTINATION ${mi_install_dir})
install(FILES include/mimalloc.h DESTINATION ${mi_install_dir}/include)
install(FILES include/mimalloc-override.h DESTINATION ${mi_install_dir}/include)
install(FILES include/mimalloc-new-delete.h DESTINATION ${mi_install_dir}/include)
install(FILES include/mimalloc-stl-allocator.h DESTINATION ${mi_install_dir}/include)
install(FILES cmake/mimalloc-config.cmake DESTINATION ${mi_install_dir}/cmake)
install(FILES cmake/mimalloc-config-version.cmake DESTINATION ${mi_install_dir}/cmake)
install(EXPORT mimalloc DESTINATION ${mi_install_dir}/cmake)

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@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
@ -214,6 +214,7 @@
<ClInclude Include="..\..\include\mimalloc-atomic.h" />
<ClInclude Include="..\..\include\mimalloc-new-delete.h" />
<ClInclude Include="..\..\include\mimalloc-override.h" />
<ClInclude Include="..\..\include\mimalloc-stl-allocator.h" />
<ClInclude Include="..\..\include\mimalloc-types.h" />
</ItemGroup>
<ItemGroup>

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@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
@ -239,6 +239,7 @@
<ClInclude Include="$(ProjectDir)..\..\include\mimalloc-override.h" />
<ClInclude Include="$(ProjectDir)..\..\include\mimalloc-types.h" />
<ClInclude Include="..\..\include\mimalloc-new-delete.h" />
<ClInclude Include="..\..\include\mimalloc-stl-allocator.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">

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@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
@ -214,6 +214,7 @@
<ClInclude Include="..\..\include\mimalloc-atomic.h" />
<ClInclude Include="..\..\include\mimalloc-new-delete.h" />
<ClInclude Include="..\..\include\mimalloc-override.h" />
<ClInclude Include="..\..\include\mimalloc-stl-allocator.h" />
<ClInclude Include="..\..\include\mimalloc-types.h" />
</ItemGroup>
<ItemGroup>

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@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
@ -239,6 +239,7 @@
<ClInclude Include="$(ProjectDir)..\..\include\mimalloc-override.h" />
<ClInclude Include="$(ProjectDir)..\..\include\mimalloc-types.h" />
<ClInclude Include="..\..\include\mimalloc-new-delete.h" />
<ClInclude Include="..\..\include\mimalloc-stl-allocator.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">

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@ -0,0 +1,44 @@
#pragma once
#ifndef MIMALLOC_STL_ALLOCATOR_H
#define MIMALLOC_STL_ALLOCATOR_H
#ifdef __cplusplus
/* ----------------------------------------------------------------------------
This header can be used to hook mimalloc into STL containers in place of
std::allocator.
-----------------------------------------------------------------------------*/
#include <mimalloc.h>
#include <type_traits> // true_type
#pragma warning(disable: 4100)
template <class T>
struct mi_stl_allocator {
typedef T value_type;
using propagate_on_container_copy_assignment = std::true_type;
using propagate_on_container_move_assignment = std::true_type;
using propagate_on_container_swap = std::true_type;
using is_always_equal = std::true_type;
mi_stl_allocator() noexcept {}
mi_stl_allocator(const mi_stl_allocator& other) noexcept {}
template <class U>
mi_stl_allocator(const mi_stl_allocator<U>& other) noexcept {}
T* allocate(size_t n, const void* hint = 0) {
return (T*)mi_mallocn(n, sizeof(T));
}
void deallocate(T* p, size_t n) {
mi_free(p);
}
};
template <class T1, class T2>
bool operator==(const mi_stl_allocator<T1>& lhs, const mi_stl_allocator<T2>& rhs) noexcept { return true; }
template <class T1, class T2>
bool operator!=(const mi_stl_allocator<T1>& lhs, const mi_stl_allocator<T2>& rhs) noexcept { return false; }
#endif // __cplusplus
#endif // MIMALLOC_STL_ALLOCATOR_H

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@ -25,8 +25,10 @@ we therefore test the API over various inputs. Please add more tests :-)
#include <stdbool.h>
#include <stdint.h>
#include <errno.h>
#include <vector>
#include "mimalloc.h"
#include "mimalloc-internal.h"
#include "mimalloc-stl-allocator.h"
// ---------------------------------------------------------------------------
// Test macros: CHECK(name,predicate) and CHECK_BODY(name,body)
@ -61,6 +63,8 @@ static int failed = 0;
// ---------------------------------------------------------------------------
bool test_heap1();
bool test_heap2();
bool test_stl_allocator1();
bool test_stl_allocator2();
// ---------------------------------------------------------------------------
// Main testing
@ -150,6 +154,9 @@ int main() {
mi_free(s);
});
CHECK("stl_allocator1", test_stl_allocator1());
CHECK("stl_allocator2", test_stl_allocator2());
// ---------------------------------------------------
// Done
// ---------------------------------------------------[]
@ -182,3 +189,27 @@ bool test_heap2() {
mi_free(p2);
return true;
}
bool test_stl_allocator1() {
#ifdef __cplusplus
std::vector<int, mi_stl_allocator<int>> vec;
vec.push_back(1);
vec.pop_back();
return vec.size() == 0;
#else
return true;
#endif
}
bool test_stl_allocator2() {
#ifdef __cplusplus
struct some_struct { int i; int j; double z; };
std::vector<some_struct, mi_stl_allocator<some_struct>> vec;
vec.push_back(some_struct());
vec.pop_back();
return vec.size() == 0;
#else
return true;
#endif
}