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Add new/delete overloads

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This commit is contained in:
Antonio Andelic 2022-03-11 10:04:35 +00:00
parent c14c9329bb
commit 1b4cebcfb6
3 changed files with 127 additions and 18 deletions
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14
src/Common/Concepts.h Normal file
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@ -0,0 +1,14 @@
#pragma once
#include <concepts>
namespace DB
{
template <typename... T>
concept OptionalArgument = requires(T &&...)
{
requires(sizeof...(T) == 0 || sizeof...(T) == 1);
};
}

77
src/Common/memory.h
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@ -1,8 +1,11 @@
#pragma once
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wold-style-cast"
#include <new>
#include <base/defines.h>
#include <Common/Concepts.h>
#include <Common/CurrentMemoryTracker.h>
#include <Common/config.h>
@ -14,13 +17,24 @@
# include <cstdlib>
#endif
namespace Memory
{
inline ALWAYS_INLINE void * newImpl(std::size_t size)
inline ALWAYS_INLINE size_t alignToSizeT(std::align_val_t align) noexcept
{
auto * ptr = malloc(size);
return static_cast<size_t>(align);
}
template <std::same_as<std::align_val_t>... TAlign>
requires DB::OptionalArgument<TAlign...>
inline ALWAYS_INLINE void * newImpl(std::size_t size, TAlign... align)
{
void * ptr = nullptr;
if constexpr (sizeof...(TAlign) == 1)
ptr = aligned_alloc(alignToSizeT(align...), size);
else
ptr = malloc(size);
if (likely(ptr != nullptr))
return ptr;
@ -33,6 +47,11 @@ inline ALWAYS_INLINE void * newNoExept(std::size_t size) noexcept
return malloc(size);
}
inline ALWAYS_INLINE void * newNoExept(std::size_t size, std::align_val_t align) noexcept
{
return aligned_alloc(static_cast<size_t>(align), size);
}
inline ALWAYS_INLINE void deleteImpl(void * ptr) noexcept
{
free(ptr);
@ -40,17 +59,24 @@ inline ALWAYS_INLINE void deleteImpl(void * ptr) noexcept
#if USE_JEMALLOC
inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size) noexcept
template <std::same_as<std::align_val_t>... TAlign>
requires DB::OptionalArgument<TAlign...>
inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size, TAlign... align) noexcept
{
if (unlikely(ptr == nullptr))
return;
sdallocx(ptr, size, 0);
if constexpr (sizeof...(TAlign) == 1)
sdallocx(ptr, size, MALLOCX_ALIGN(alignToSizeT(align...)));
else
sdallocx(ptr, size, 0);
}
#else
inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size [[maybe_unused]]) noexcept
template <std::same_as<std::align_val_t>... TAlign>
requires DB::OptionalArgument<TAlign...>
inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size [[maybe_unused]], TAlign... /* align */) noexcept
{
free(ptr);
}
@ -58,13 +84,14 @@ inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size [[maybe_unuse
#endif
#if defined(OS_LINUX)
# include <malloc.h>
# include <malloc.h>
#elif defined(OS_DARWIN)
# include <malloc/malloc.h>
# include <malloc/malloc.h>
#endif
inline ALWAYS_INLINE size_t getActualAllocationSize(size_t size)
template <std::same_as<std::align_val_t>... TAlign>
requires DB::OptionalArgument<TAlign...>
inline ALWAYS_INLINE size_t getActualAllocationSize(size_t size, TAlign... align)
{
size_t actual_size = size;
@ -72,26 +99,41 @@ inline ALWAYS_INLINE size_t getActualAllocationSize(size_t size)
/// The nallocx() function allocates no memory, but it performs the same size computation as the mallocx() function
/// @note je_mallocx() != je_malloc(). It's expected they don't differ much in allocation logic.
if (likely(size != 0))
actual_size = nallocx(size, 0);
{
if constexpr (sizeof...(TAlign) == 1)
actual_size = nallocx(size, MALLOCX_ALIGN(alignToSizeT(align...)));
else
actual_size = nallocx(size, 0);
}
#endif
return actual_size;
}
inline ALWAYS_INLINE void trackMemory(std::size_t size)
template <std::same_as<std::align_val_t>... TAlign>
requires DB::OptionalArgument<TAlign...>
inline ALWAYS_INLINE void trackMemory(std::size_t size, TAlign... align)
{
std::size_t actual_size = getActualAllocationSize(size);
std::size_t actual_size = getActualAllocationSize(size, align...);
CurrentMemoryTracker::allocNoThrow(actual_size);
}
inline ALWAYS_INLINE void untrackMemory(void * ptr [[maybe_unused]], std::size_t size [[maybe_unused]] = 0) noexcept
template <std::same_as<std::align_val_t>... TAlign>
requires DB::OptionalArgument<TAlign...>
inline ALWAYS_INLINE void untrackMemory(void * ptr [[maybe_unused]], std::size_t size [[maybe_unused]] = 0, TAlign... align) noexcept
{
try
{
#if USE_JEMALLOC
/// @note It's also possible to use je_malloc_usable_size() here.
if (likely(ptr != nullptr))
CurrentMemoryTracker::free(sallocx(ptr, 0));
{
if constexpr (sizeof...(TAlign) == 1)
CurrentMemoryTracker::free(sallocx(ptr, MALLOCX_ALIGN(alignToSizeT(align...))));
else
CurrentMemoryTracker::free(sallocx(ptr, 0));
}
#else
if (size)
CurrentMemoryTracker::free(size);
@ -103,7 +145,10 @@ inline ALWAYS_INLINE void untrackMemory(void * ptr [[maybe_unused]], std::size_t
#endif
}
catch (...)
{}
{
}
}
}
#pragma GCC diagnostic pop

54
src/Common/new_delete.cpp
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@ -1,6 +1,7 @@
#include <Common/memory.h>
#include <Common/config.h>
#include <cassert>
#include <new>
#include <Common/config.h>
#include <Common/memory.h>
#if defined(OS_DARWIN) && (USE_JEMALLOC)
/// In case of OSX jemalloc register itself as a default zone allocator.
@ -53,12 +54,24 @@ void * operator new(std::size_t size)
return Memory::newImpl(size);
}
void * operator new(std::size_t size, std::align_val_t align)
{
Memory::trackMemory(size, align);
return Memory::newImpl(size, align);
}
void * operator new[](std::size_t size)
{
Memory::trackMemory(size);
return Memory::newImpl(size);
}
void * operator new[](std::size_t size, std::align_val_t align)
{
Memory::trackMemory(size, align);
return Memory::newImpl(size, align);
}
void * operator new(std::size_t size, const std::nothrow_t &) noexcept
{
Memory::trackMemory(size);
@ -71,6 +84,18 @@ void * operator new[](std::size_t size, const std::nothrow_t &) noexcept
return Memory::newNoExept(size);
}
void * operator new(std::size_t size, std::align_val_t align, const std::nothrow_t &) noexcept
{
Memory::trackMemory(size, align);
return Memory::newNoExept(size, align);
}
void * operator new[](std::size_t size, std::align_val_t align, const std::nothrow_t &) noexcept
{
Memory::trackMemory(size, align);
return Memory::newNoExept(size, align);
}
/// delete
/// C++17 std 21.6.2.1 (11)
@ -81,26 +106,51 @@ void * operator new[](std::size_t size, const std::nothrow_t &) noexcept
/// It's unspecified whether size-aware or size-unaware version is called when deleting objects of
/// incomplete type and arrays of non-class and trivially-destructible class types.
void operator delete(void * ptr) noexcept
{
Memory::untrackMemory(ptr);
Memory::deleteImpl(ptr);
}
void operator delete(void * ptr, std::align_val_t align) noexcept
{
Memory::untrackMemory(ptr, 0, align);
Memory::deleteImpl(ptr);
}
void operator delete[](void * ptr) noexcept
{
Memory::untrackMemory(ptr);
Memory::deleteImpl(ptr);
}
void operator delete[](void * ptr, std::align_val_t align) noexcept
{
Memory::untrackMemory(ptr, 0, align);
Memory::deleteImpl(ptr);
}
void operator delete(void * ptr, std::size_t size) noexcept
{
Memory::untrackMemory(ptr, size);
Memory::deleteSized(ptr, size);
}
void operator delete(void * ptr, std::size_t size, std::align_val_t align) noexcept
{
Memory::untrackMemory(ptr, size, align);
Memory::deleteSized(ptr, size, align);
}
void operator delete[](void * ptr, std::size_t size) noexcept
{
Memory::untrackMemory(ptr, size);
Memory::deleteSized(ptr, size);
}
void operator delete[](void * ptr, std::size_t size, std::align_val_t align) noexcept
{
Memory::untrackMemory(ptr, size, align);
Memory::deleteSized(ptr, size, align);
}