device_properties.cu

Go to the documentation of this file.

/*
 *  SPDX-FileCopyrightText: Copyright 2021, Siavash Ameli <sameli@berkeley.edu>
 *  SPDX-License-Identifier: BSD-3-Clause
 *  SPDX-FileType: SOURCE
 *
 *  This program is free software: you can redistribute it and/or modify it
 *  under the terms of the license found in the LICENSE.txt file in the root
 *  directory of this source tree.
 */
 
 
// =======
// Headers
// =======
 
#include "./device_properties.h"
#include <cstdlib>  // NULL
 
 
// ===========
// Constructor
// ===========
 
 
DeviceProperties::DeviceProperties():
    num_devices(0),
    num_multiprocessors(NULL),
    num_threads_per_multiprocessor(NULL)
{
}
 
 
// ==========
// Destructor
// ==========
 
 
DeviceProperties::~DeviceProperties()
{
    this->deallocate_members();
}
 
 
// ==================
// deallocate members
// ==================
 
 
void DeviceProperties::deallocate_members()
{
    if (this->num_multiprocessors != NULL)
    {
        delete[] this->num_multiprocessors;
        this->num_multiprocessors = NULL;
    }
 
    if (this->num_threads_per_multiprocessor != NULL)
    {
        delete[] this->num_threads_per_multiprocessor;
        this->num_threads_per_multiprocessor = NULL;
    }
}
 
 
// ===============
// set num devices
// ===============
 
 
void DeviceProperties::set_num_devices(int num_devices_)
{
    this->num_devices = num_devices_;
 
    // Deallocate members in case they were allocated before
    this->deallocate_members();
 
    // Allocate members
    this->num_multiprocessors = new int[this->num_devices];
    this->num_threads_per_multiprocessor = new int[this->num_devices];
}