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/usr/include/oneapi/tbb

Name	Size	Mode	Actions
detail/	-	0755	rm
blocked_range.h	6453	0644	edit dl rm
blocked_range2d.h	3369	0644	edit dl rm
blocked_range3d.h	4455	0644	edit dl rm
blocked_rangeNd.h	5508	0644	edit dl rm
cache_aligned_allocator.h	6905	0644	edit dl rm
collaborative_call_once.h	9053	0644	edit dl rm
combinable.h	1969	0644	edit dl rm
concurrent_hash_map.h	71893	0644	edit dl rm
concurrent_lru_cache.h	13737	0644	edit dl rm
concurrent_map.h	13416	0644	edit dl rm
concurrent_priority_queue.h	19531	0644	edit dl rm
concurrent_queue.h	24030	0644	edit dl rm
concurrent_set.h	10241	0644	edit dl rm
concurrent_unordered_map.h	18697	0644	edit dl rm
concurrent_unordered_set.h	14850	0644	edit dl rm
concurrent_vector.h	46199	0644	edit dl rm
enumerable_thread_specific.h	42403	0644	edit dl rm
flow_graph.h	128339	0644	edit dl rm
flow_graph_abstractions.h	1446	0644	edit dl rm
global_control.h	6139	0644	edit dl rm
info.h	4179	0644	edit dl rm
memory_pool.h	9973	0644	edit dl rm
mutex.h	2628	0644	edit dl rm
null_mutex.h	2149	0644	edit dl rm
null_rw_mutex.h	2514	0644	edit dl rm
parallel_for.h	23451	0644	edit dl rm
parallel_for_each.h	27064	0644	edit dl rm
parallel_invoke.h	7783	0644	edit dl rm
parallel_pipeline.h	5755	0644	edit dl rm
parallel_reduce.h	37078	0644	edit dl rm
parallel_scan.h	22810	0644	edit dl rm
parallel_sort.h	11114	0644	edit dl rm
partitioner.h	28500	0644	edit dl rm
profiling.h	10005	0644	edit dl rm
queuing_mutex.h	6391	0644	edit dl rm
queuing_rw_mutex.h	6631	0644	edit dl rm
rw_mutex.h	8150	0644	edit dl rm
scalable_allocator.h	11655	0644	edit dl rm
spin_mutex.h	3513	0644	edit dl rm
spin_rw_mutex.h	7839	0644	edit dl rm
task.h	1090	0644	edit dl rm
task_arena.h	17853	0644	edit dl rm
task_group.h	27329	0644	edit dl rm
task_scheduler_observer.h	4585	0644	edit dl rm
tbbmalloc_proxy.h	1907	0644	edit dl rm
tbb_allocator.h	3782	0644	edit dl rm
tick_count.h	3201	0644	edit dl rm
version.h	4007	0644	edit dl rm

Edit: /usr/include/oneapi/tbb/memory_pool.h (9973B)

/*
    Copyright (c) 2005-2021 Intel Corporation

Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

#ifndef __TBB_memory_pool_H
#define __TBB_memory_pool_H

#if !TBB_PREVIEW_MEMORY_POOL
#error Set TBB_PREVIEW_MEMORY_POOL to include memory_pool.h
#endif
/** @file */

#include "scalable_allocator.h"

#include <new> // std::bad_alloc
#include <stdexcept> // std::runtime_error, std::invalid_argument
#include <utility> // std::forward

#if __TBB_EXTRA_DEBUG
#define __TBBMALLOC_ASSERT ASSERT
#else
#define __TBBMALLOC_ASSERT(a,b) ((void)0)
#endif

namespace tbb {
namespace detail {
namespace d1 {

//! Base of thread-safe pool allocator for variable-size requests
class pool_base : no_copy {
    // Pool interface is separate from standard allocator classes because it has
    // to maintain internal state, no copy or assignment. Move and swap are possible.
public:
    //! Reset pool to reuse its memory (free all objects at once)
    void recycle() { rml::pool_reset(my_pool); }

//! The "malloc" analogue to allocate block of memory of size bytes
    void *malloc(size_t size) { return rml::pool_malloc(my_pool, size); }

//! The "free" analogue to discard a previously allocated piece of memory.
    void free(void* ptr) { rml::pool_free(my_pool, ptr); }

//! The "realloc" analogue complementing pool_malloc.
    // Enables some low-level optimization possibilities
    void *realloc(void* ptr, size_t size) {
        return rml::pool_realloc(my_pool, ptr, size);
    }

protected:
    //! destroy pool - must be called in a child class
    void destroy() { rml::pool_destroy(my_pool); }

rml::MemoryPool *my_pool;
};

#if _MSC_VER && !defined(__INTEL_COMPILER)
    // Workaround for erroneous "unreferenced parameter" warning in method destroy.
    #pragma warning (push)
    #pragma warning (disable: 4100)
#endif

//! Meets "allocator" requirements of ISO C++ Standard, Section 20.1.5
/** @ingroup memory_allocation */
template<typename T, typename P = pool_base>
class memory_pool_allocator {
protected:
    typedef P pool_type;
    pool_type *my_pool;
    template<typename U, typename R>
    friend class memory_pool_allocator;
    template<typename V, typename U, typename R>
    friend bool operator==( const memory_pool_allocator<V,R>& a, const memory_pool_allocator<U,R>& b);
    template<typename V, typename U, typename R>
    friend bool operator!=( const memory_pool_allocator<V,R>& a, const memory_pool_allocator<U,R>& b);
public:
    typedef T value_type;
    typedef value_type* pointer;
    typedef const value_type* const_pointer;
    typedef value_type& reference;
    typedef const value_type& const_reference;
    typedef size_t size_type;
    typedef ptrdiff_t difference_type;
    template<typename U> struct rebind {
        typedef memory_pool_allocator<U, P> other;
    };

explicit memory_pool_allocator(pool_type &pool) throw() : my_pool(&pool) {}
    memory_pool_allocator(const memory_pool_allocator& src) throw() : my_pool(src.my_pool) {}
    template<typename U>
    memory_pool_allocator(const memory_pool_allocator<U,P>& src) throw() : my_pool(src.my_pool) {}

pointer address(reference x) const { return &x; }
    const_pointer address(const_reference x) const { return &x; }

//! Allocate space for n objects.
    pointer allocate( size_type n, const void* /*hint*/ = 0) {
        pointer p = static_cast<pointer>( my_pool->malloc( n*sizeof(value_type) ) );
        if (!p)
            throw_exception(std::bad_alloc());
        return p;
    }
    //! Free previously allocated block of memory.
    void deallocate( pointer p, size_type ) {
        my_pool->free(p);
    }
    //! Largest value for which method allocate might succeed.
    size_type max_size() const throw() {
        size_type max = static_cast<size_type>(-1) / sizeof (value_type);
        return (max > 0 ? max : 1);
    }
    //! Copy-construct value at location pointed to by p.

template<typename U, typename... Args>
    void construct(U *p, Args&&... args)
        { ::new((void *)p) U(std::forward<Args>(args)...); }

//! Destroy value at location pointed to by p.
    void destroy( pointer p ) { p->~value_type(); }

};

#if _MSC_VER && !defined(__INTEL_COMPILER)
    #pragma warning (pop)
#endif // warning 4100 is back

//! Analogous to std::allocator<void>, as defined in ISO C++ Standard, Section 20.4.1
/** @ingroup memory_allocation */
template<typename P>
class memory_pool_allocator<void, P> {
public:
    typedef P pool_type;
    typedef void* pointer;
    typedef const void* const_pointer;
    typedef void value_type;
    template<typename U> struct rebind {
        typedef memory_pool_allocator<U, P> other;
    };

explicit memory_pool_allocator( pool_type &pool) throw() : my_pool(&pool) {}
    memory_pool_allocator( const memory_pool_allocator& src) throw() : my_pool(src.my_pool) {}
    template<typename U>
    memory_pool_allocator(const memory_pool_allocator<U,P>& src) throw() : my_pool(src.my_pool) {}

protected:
    pool_type *my_pool;
    template<typename U, typename R>
    friend class memory_pool_allocator;
    template<typename V, typename U, typename R>
    friend bool operator==( const memory_pool_allocator<V,R>& a, const memory_pool_allocator<U,R>& b);
    template<typename V, typename U, typename R>
    friend bool operator!=( const memory_pool_allocator<V,R>& a, const memory_pool_allocator<U,R>& b);
};

template<typename T, typename U, typename P>
inline bool operator==( const memory_pool_allocator<T,P>& a, const memory_pool_allocator<U,P>& b) {return a.my_pool==b.my_pool;}

template<typename T, typename U, typename P>
inline bool operator!=( const memory_pool_allocator<T,P>& a, const memory_pool_allocator<U,P>& b) {return a.my_pool!=b.my_pool;}

//! Thread-safe growable pool allocator for variable-size requests
template <typename Alloc>
class memory_pool : public pool_base {
    Alloc my_alloc; // TODO: base-class optimization
    static void *allocate_request(intptr_t pool_id, size_t & bytes);
    static int deallocate_request(intptr_t pool_id, void*, size_t raw_bytes);

public:
    //! construct pool with underlying allocator
    explicit memory_pool(const Alloc &src = Alloc());

//! destroy pool
    ~memory_pool() { destroy(); } // call the callbacks first and destroy my_alloc latter
};

class fixed_pool : public pool_base {
    void *my_buffer;
    size_t my_size;
    inline static void *allocate_request(intptr_t pool_id, size_t & bytes);

public:
    //! construct pool with underlying allocator
    inline fixed_pool(void *buf, size_t size);
    //! destroy pool
    ~fixed_pool() { destroy(); }
};

//////////////// Implementation ///////////////

template <typename Alloc>
memory_pool<Alloc>::memory_pool(const Alloc &src) : my_alloc(src) {
    rml::MemPoolPolicy args(allocate_request, deallocate_request,
                            sizeof(typename Alloc::value_type));
    rml::MemPoolError res = rml::pool_create_v1(intptr_t(this), &args, &my_pool);
    if (res!=rml::POOL_OK)
        throw_exception(std::runtime_error("Can't create pool"));
}
template <typename Alloc>
void *memory_pool<Alloc>::allocate_request(intptr_t pool_id, size_t & bytes) {
    memory_pool<Alloc> &self = *reinterpret_cast<memory_pool<Alloc>*>(pool_id);
    const size_t unit_size = sizeof(typename Alloc::value_type);
    __TBBMALLOC_ASSERT( 0 == bytes%unit_size, NULL);
    void *ptr;
#if TBB_USE_EXCEPTIONS
    try {
#endif
        ptr = self.my_alloc.allocate( bytes/unit_size );
#if TBB_USE_EXCEPTIONS
    } catch(...) {
        return 0;
    }
#endif
    return ptr;
}
#if __TBB_MSVC_UNREACHABLE_CODE_IGNORED
    // Workaround for erroneous "unreachable code" warning in the template below.
    // Specific for VC++ 17-18 compiler
    #pragma warning (push)
    #pragma warning (disable: 4702)
#endif
template <typename Alloc>
int memory_pool<Alloc>::deallocate_request(intptr_t pool_id, void* raw_ptr, size_t raw_bytes) {
    memory_pool<Alloc> &self = *reinterpret_cast<memory_pool<Alloc>*>(pool_id);
    const size_t unit_size = sizeof(typename Alloc::value_type);
    __TBBMALLOC_ASSERT( 0 == raw_bytes%unit_size, NULL);
    self.my_alloc.deallocate( static_cast<typename Alloc::value_type*>(raw_ptr), raw_bytes/unit_size );
    return 0;
}
#if __TBB_MSVC_UNREACHABLE_CODE_IGNORED
    #pragma warning (pop)
#endif
inline fixed_pool::fixed_pool(void *buf, size_t size) : my_buffer(buf), my_size(size) {
    if (!buf || !size)
        // TODO: improve support for mode with exceptions disabled
        throw_exception(std::invalid_argument("Zero in parameter is invalid"));
    rml::MemPoolPolicy args(allocate_request, 0, size, /*fixedPool=*/true);
    rml::MemPoolError res = rml::pool_create_v1(intptr_t(this), &args, &my_pool);
    if (res!=rml::POOL_OK)
        throw_exception(std::runtime_error("Can't create pool"));
}
inline void *fixed_pool::allocate_request(intptr_t pool_id, size_t & bytes) {
    fixed_pool &self = *reinterpret_cast<fixed_pool*>(pool_id);
    __TBBMALLOC_ASSERT(0 != self.my_size, "The buffer must not be used twice.");
    bytes = self.my_size;
    self.my_size = 0; // remember that buffer has been used
    return self.my_buffer;
}

} // namespace d1
} // namespace detail

inline namespace v1 {
using detail::d1::memory_pool_allocator;
using detail::d1::memory_pool;
using detail::d1::fixed_pool;
} // inline namepspace v1
} // namespace tbb

#undef __TBBMALLOC_ASSERT
#endif// __TBB_memory_pool_H

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