57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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#ifndef _CUDA_LA_H
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#define _CUDA_LA_H
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#ifdef CUDALA
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#undef MATPTR
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#include "cublas.h"
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#endif
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#include "la_traits.h"
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namespace LA {
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#ifdef CUDALA
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#define NOT_GPU(x) {if((x).getlocation()!=cpu) laerror("Operation not implemented on GPU (yet). Use .moveto(0) first.");}
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#define SAME_LOC(x,y) {if((x).getlocation()!=(y).getlocation()) laerror("Operands have different location. Use .moveto() first.");}
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#define SAME_LOC3(x,y,z) {if((x).getlocation()!=(y).getlocation() || (x).getlocation()!=(z).getlocation()) laerror("Operands have different location. Use .moveto() first.");}
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#else
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#define NOT_GPU(x) {}
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#define SAME_LOC(x,y) {}
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#define SAME_LOC3(x,y,z) {}
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#endif
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typedef enum {undefined=-1, cpu=0, gpu1=1, gpu2=2, gpu3=3, gpu4=4} GPUID;
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#ifdef CUDALA
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//global static instantiation of this class will provide automatic init/shutdown of GPU
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class GPU_START {
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public:
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GPU_START(void)
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{
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cublasStatus status = cublasInit();
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if (status != CUBLAS_STATUS_SUCCESS) laerror("Cannot init GPU for CUBLAS");
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}
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~GPU_START(void)
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{
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cublasStatus status = cublasShutdown();
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if (status != CUBLAS_STATUS_SUCCESS) laerror("Cannot cleanly shutdown GPU");
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}
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};
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extern void *gpualloc(size_t size);
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extern void gpufree(void *ptr);
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extern void gpuget(size_t n, size_t elsize, const void *from, void *to);
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extern void gpuput(size_t n, size_t elsize, const void *from, void *to);
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extern double *gpuputdouble(const double &x);
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extern complex<double> *gpuputcomplex(const complex<double> &x);
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void set_default_loc(const GPUID loc);
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extern GPUID DEFAULT_LOC;
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#endif
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}
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#endif
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