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Diffstat (limited to 'HST-S/baselines/gpu/support/cuda-setup.h')
-rw-r--r-- | HST-S/baselines/gpu/support/cuda-setup.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/HST-S/baselines/gpu/support/cuda-setup.h b/HST-S/baselines/gpu/support/cuda-setup.h new file mode 100644 index 0000000..7b7eefe --- /dev/null +++ b/HST-S/baselines/gpu/support/cuda-setup.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2016 University of Cordoba and University of Illinois + * All rights reserved. + * + * Developed by: IMPACT Research Group + * University of Cordoba and University of Illinois + * http://impact.crhc.illinois.edu/ + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * with the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * > Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimers. + * > Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimers in the + * documentation and/or other materials provided with the distribution. + * > Neither the names of IMPACT Research Group, University of Cordoba, + * University of Illinois nor the names of its contributors may be used + * to endorse or promote products derived from this Software without + * specific prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH + * THE SOFTWARE. + * + */ + +#include <cuda.h> +#include <cuda_runtime.h> +#include <fstream> + +// Allocation error checking +#define ERR_1(v1) \ + if(v1 == NULL) { \ + fprintf(stderr, "Allocation error at %s, %d\n", __FILE__, __LINE__); \ + exit(-1); \ + } +#define ERR_2(v1,v2) ERR_1(v1) ERR_1(v2) +#define ERR_3(v1,v2,v3) ERR_2(v1,v2) ERR_1(v3) +#define ERR_4(v1,v2,v3,v4) ERR_3(v1,v2,v3) ERR_1(v4) +#define ERR_5(v1,v2,v3,v4,v5) ERR_4(v1,v2,v3,v4) ERR_1(v5) +#define ERR_6(v1,v2,v3,v4,v5,v6) ERR_5(v1,v2,v3,v4,v5) ERR_1(v6) +#define GET_ERR_MACRO(_1,_2,_3,_4,_5,_6,NAME,...) NAME +#define ALLOC_ERR(...) GET_ERR_MACRO(__VA_ARGS__,ERR_6,ERR_5,ERR_4,ERR_3,ERR_2,ERR_1)(__VA_ARGS__) + +#define CUDA_ERR() \ + if(cudaStatus != cudaSuccess) { \ + fprintf(stderr, "CUDA error: %s\n at %s, %d\n", cudaGetErrorString(cudaStatus), __FILE__, __LINE__); \ + exit(-1); \ + } + +struct CUDASetup { + + cudaDeviceProp device_prop; + + CUDASetup(int device) { + cudaError_t cudaStatus; + cudaStatus = cudaSetDevice(device); + CUDA_ERR(); + + cudaStatus = cudaGetDeviceProperties(&device_prop, device); + CUDA_ERR(); + fprintf(stderr, "%s\t", device_prop.name); + + } + + int max_gpu_threads() { + return device_prop.maxThreadsPerBlock; + } +}; |