+++ /dev/null
-/*
- This file is a part of libcds - Concurrent Data Structures library
-
- (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
-
- Source code repo: http://github.com/khizmax/libcds/
- Download: http://sourceforge.net/projects/libcds/files/
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include <cds/memory/michael/allocator.h>
-#include <iostream>
-
-namespace memory {
- namespace ma = cds::memory::michael;
-
- typedef ma::Heap<
- ma::opt::procheap_stat<ma::procheap_empty_stat>,
- ma::opt::os_allocated_stat<ma::os_allocated_empty>,
- ma::opt::check_bounds<ma::debug_bound_checking>
- > t_MichaelHeap_NoStat;
-
- typedef ma::Heap<
- ma::opt::procheap_stat<ma::procheap_atomic_stat >,
- ma::opt::os_allocated_stat<ma::os_allocated_atomic >,
- ma::opt::check_bounds<ma::debug_bound_checking>
- > t_MichaelHeap_Stat;
-
- typedef ma::summary_stat summary_stat;
-
- extern t_MichaelHeap_NoStat s_MichaelHeap_NoStat;
- extern t_MichaelHeap_Stat s_MichaelHeap_Stat;
-
- template <typename T>
- class MichaelHeap_NoStat
- {
- public:
- typedef T value_type;
- typedef T * pointer;
-
- enum {
- alignment = 1
- };
-
-
- pointer allocate( size_t nSize, const void * /*pHint*/ )
- {
- return reinterpret_cast<pointer>( s_MichaelHeap_NoStat.alloc( sizeof(T) * nSize ) );
- }
-
- void deallocate( pointer p, size_t /*nCount*/ )
- {
- s_MichaelHeap_NoStat.free( p );
- }
-
- static void stat(summary_stat& s)
- {
- s_MichaelHeap_NoStat.summaryStat(s);
- }
- };
-
- template <typename T>
- class std_allocator: public std::allocator<T>
- {
- public:
- enum {
- alignment = 1
- };
-
- static void stat(summary_stat& /*s*/)
- {}
- };
-
- template <typename T>
- class MichaelHeap_Stat
- {
- public:
- typedef T value_type;
- typedef T * pointer;
-
- enum {
- alignment = 1
- };
-
- pointer allocate( size_t nSize, const void * /*pHint*/ )
- {
- return reinterpret_cast<pointer>( s_MichaelHeap_Stat.alloc( sizeof(T) * nSize ) );
- }
-
- void deallocate( pointer p, size_t /*nCount*/ )
- {
- s_MichaelHeap_Stat.free( p );
- }
-
- static void stat(summary_stat& s)
- {
- s_MichaelHeap_Stat.summaryStat(s);
- }
- };
-
- template <typename T, size_t ALIGN>
- class MichaelAlignHeap_NoStat
- {
- public:
- typedef T value_type;
- typedef T * pointer;
-
- enum {
- alignment = ALIGN
- };
-
- pointer allocate( size_t nSize, const void * /*pHint*/ )
- {
- return reinterpret_cast<pointer>( s_MichaelHeap_NoStat.alloc_aligned( sizeof(T) * nSize, ALIGN ) );
- }
-
- void deallocate( pointer p, size_t /*nCount*/ )
- {
- s_MichaelHeap_NoStat.free_aligned( p );
- }
-
- static void stat(summary_stat& s)
- {
- s_MichaelHeap_NoStat.summaryStat(s);
- }
- };
-
- template <typename T, size_t ALIGN>
- class MichaelAlignHeap_Stat {
- public:
- typedef T value_type;
- typedef T * pointer;
-
- enum {
- alignment = ALIGN
- };
-
- pointer allocate( size_t nSize, const void * /*pHint*/ )
- {
- return reinterpret_cast<pointer>( s_MichaelHeap_Stat.alloc_aligned( sizeof(T) * nSize, ALIGN ) );
- }
-
- void deallocate( pointer p, size_t /*nCount*/ )
- {
- s_MichaelHeap_Stat.free_aligned( p );
- }
-
- static void stat(summary_stat& s)
- {
- s_MichaelHeap_Stat.summaryStat(s);
- }
- };
-
- template <typename T, size_t ALIGN>
- class system_aligned_allocator
- {
- public:
- typedef T value_type;
- typedef T * pointer;
-
- enum {
- alignment = ALIGN
- };
-
- pointer allocate( size_t nSize, const void * /*pHint*/ )
- {
- return reinterpret_cast<pointer>( cds::OS::aligned_malloc( sizeof(T) * nSize, ALIGN ) );
- }
-
- void deallocate( pointer p, size_t /*nCount*/ )
- {
- cds::OS::aligned_free( p );
- }
-
- static void stat(summary_stat& /*s*/)
- {}
- };
-
- static inline std::ostream& operator <<(std::ostream& os, const summary_stat& s)
- {
- os << "\t alloc from active: " << s.nAllocFromActive << "\n"
- << "\t alloc from partial: " << s.nAllocFromPartial << "\n"
- << "\t alloc from new: " << s.nAllocFromNew << "\n"
- << "\t free call count: " << s.nFreeCount << "\n"
- << "\t superblock allocated: " << s.nPageAllocCount << "\n"
- << "\t superblock deallocated: " << s.nPageDeallocCount << "\n"
- << "\t superblock desc allocated: " << s.nDescAllocCount << "\n"
- << "\t superblock full desc: " << s.nDescFull << "\n"
- << "\t total allocated bytes: " << s.nBytesAllocated << "\n"
- << "\t total deallocated bytes: " << s.nBytesDeallocated << "\n"
- << "\tOS-allocated large blocks\n"
- << "\t alloc call count: " << s.nSysAllocCount << "\n"
- << "\t free call count: " << s.nSysFreeCount << "\n"
- << "\t total allocated bytes: " << s.nSysBytesAllocated << "\n"
- << "\t total deallocated bytes: " << s.nSysBytesDeallocated << "\n"
- << "\tCAS contention indicators\n"
- << "\t updating active field of active block: " << s.nActiveDescCASFailureCount << "\n"
- << "\t updating anchor field of active block: " << s.nActiveAnchorCASFailureCount << "\n"
- << "\tupdating active field of partial block: " << s.nPartialDescCASFailureCount << "\n"
- << "\tupdating anchor field of partial block: " << s.nPartialAnchorCASFailureCount
- << std::endl;
-
- return os;
- }
-}
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