amrex/doxygen/AMReX__BArena_8H_source.html

#ifndef AMREX_BARENA_H_

#define AMREX_BARENA_H_

#include <AMReX_Config.H>


#include <AMReX_Arena.H>


namespace amrex {


class BArena

    :

    public Arena

{

public:

    [[nodiscard]] void* alloc (std::size_t sz) final;

    void free (void* pt) final;


    [[nodiscard]] bool isDeviceAccessible () const final;

    [[nodiscard]] bool isHostAccessible () const final;


    [[nodiscard]] bool isManaged () const final;

    [[nodiscard]] bool isDevice () const final;

    [[nodiscard]] bool isPinned () const final;

};


}


#endif

AMReX_Arena.H
Memory arena base class and global arena accessors.

amrex::Arena
Abstract base class for memory arenas.
Definition AMReX_Arena.H:153

amrex::BArena
Basic Arena that allocates aligned memory on the host heap.
Definition AMReX_BArena.H:21

amrex::BArena::isPinned
bool isPinned() const final
Return false; BArena does not allocate pinned memory.
Definition AMReX_BArena.cpp:52

amrex::BArena::free
void free(void *pt) final
Free memory previously returned by alloc().
Definition AMReX_BArena.cpp:17

amrex::BArena::isManaged
bool isManaged() const final
Return false; BArena memory is not managed/unified.
Definition AMReX_BArena.cpp:40

amrex::BArena::isHostAccessible
bool isHostAccessible() const final
Return true; BArena allocations reside on the host.
Definition AMReX_BArena.cpp:34

amrex::BArena::isDevice
bool isDevice() const final
Return false; BArena operates on the host.
Definition AMReX_BArena.cpp:46

amrex::BArena::alloc
void * alloc(std::size_t sz) final
Allocate host memory.
Definition AMReX_BArena.cpp:4

amrex::BArena::isDeviceAccessible
bool isDeviceAccessible() const final
Return false; BArena allocations are not device accessible.
Definition AMReX_BArena.cpp:28

amrex
Definition AMReX_Amr.cpp:50