source/libtomo/accel/cxx/common.cc
// Copyright (c) 2015, UChicago Argonne, LLC. All rights reserved.
// Copyright 2015. UChicago Argonne, LLC. This software was produced
// under U.S. Government contract DE-AC02-06CH11357 for Argonne National
// Laboratory (ANL), which is operated by UChicago Argonne, LLC for the
// U.S. Department of Energy. The U.S. Government has rights to use,
// reproduce, and distribute this software. NEITHER THE GOVERNMENT NOR
// UChicago Argonne, LLC MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
// ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is
// modified to produce derivative works, such modified software should
// be clearly marked, so as not to confuse it with the version available
// from ANL.
// Additionally, 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 andwith the
// distribution.
// * Neither the name of UChicago Argonne, LLC, Argonne National
// Laboratory, ANL, the U.S. Government, nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY UChicago Argonne, LLC 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 UChicago
// Argonne, LLC 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.
// ---------------------------------------------------------------
// TOMOPY CUDA implementation
#include "common.hh"
#include "macros.hh"
#include "utils.hh"
#include "cuda.h"
#if !defined(TOMOPY_USE_CUDA)
//======================================================================================//
int
cuda_set_device(int device)
{
return 0;
}
//======================================================================================//
int
cuda_multi_processor_count()
{
return 0;
}
//======================================================================================//
int
cuda_max_threads_per_block()
{
return 0;
}
//======================================================================================//
int
cuda_warp_size()
{
return 0;
}
//======================================================================================//
int
cuda_shared_memory_per_block()
{
return 0;
}
//======================================================================================//
int
cuda_device_count()
{
return 0;
}
//======================================================================================//
void
cuda_device_query()
{
static std::atomic<int16_t> once;
if(++once > 1)
return;
printf("No CUDA support enabled\n");
}
//======================================================================================//
#else
namespace
{
// add a symbol to avoid warnings about compiled file had no symbols
static int cxx_common_symbol = 0;
}
#endif