xref: /libCEED/backends/magma/ceed-magma.h (revision e6aaec067db7781c9cc5c3b72972e2661403e34f)
1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 // magma functions specific to ceed
9 #ifndef CEED_MAGMA_H
10 #define CEED_MAGMA_H
11 
12 #include <ceed.h>
13 #include <ceed/backend.h>
14 #include <magma_v2.h>
15 
16 #define MAGMA_MAXTHREADS_1D 128
17 #define MAGMA_MAXTHREADS_2D 128
18 #define MAGMA_MAXTHREADS_3D 64
19 
20 // Define macro for determining number of threads in y-direction for basis kernels
21 #define MAGMA_BASIS_NTCOL(x, maxt) (((maxt) < (x)) ? 1 : ((maxt) / (x)))
22 
23 // Define macros for non-tensor kernel instances
24 #define MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_P 40
25 #define MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_Q 40
26 #define MAGMA_NONTENSOR_KERNEL_INSTANCES 5
27 #define MAGMA_NONTENSOR_KERNEL_N_VALUES 10240, 51200, 102400, 512000, 1024000
28 
29 #ifdef CEED_MAGMA_USE_HIP
30 typedef hipModule_t   CeedMagmaModule;
31 typedef hipFunction_t CeedMagmaFunction;
32 #define CeedCompileMagma CeedCompile_Hip
33 #define CeedGetKernelMagma CeedGetKernel_Hip
34 #define CeedRunKernelMagma CeedRunKernel_Hip
35 #define CeedRunKernelDimMagma CeedRunKernelDim_Hip
36 #define CeedRunKernelDimSharedMagma CeedRunKernelDimShared_Hip
37 #else
38 typedef CUmodule   CeedMagmaModule;
39 typedef CUfunction CeedMagmaFunction;
40 #define CeedCompileMagma CeedCompile_Cuda
41 #define CeedGetKernelMagma CeedGetKernel_Cuda
42 #define CeedRunKernelMagma CeedRunKernel_Cuda
43 #define CeedRunKernelDimMagma CeedRunKernelDim_Cuda
44 #define CeedRunKernelDimSharedMagma CeedRunKernelDimShared_Cuda
45 #endif
46 
47 typedef struct {
48   CeedMagmaModule   module;
49   CeedMagmaFunction Interp;
50   CeedMagmaFunction InterpTranspose;
51   CeedMagmaFunction Grad;
52   CeedMagmaFunction GradTranspose;
53   CeedMagmaFunction Weight;
54   CeedScalar       *d_interp_1d;
55   CeedScalar       *d_grad_1d;
56   CeedScalar       *d_q_weight_1d;
57 } CeedBasis_Magma;
58 
59 typedef struct {
60   CeedMagmaModule   module_weight, module_interp[MAGMA_NONTENSOR_KERNEL_INSTANCES];
61   CeedMagmaFunction Interp[MAGMA_NONTENSOR_KERNEL_INSTANCES];
62   CeedMagmaFunction InterpTranspose[MAGMA_NONTENSOR_KERNEL_INSTANCES];
63   CeedMagmaFunction Grad[MAGMA_NONTENSOR_KERNEL_INSTANCES];
64   CeedMagmaFunction GradTranspose[MAGMA_NONTENSOR_KERNEL_INSTANCES];
65   CeedMagmaFunction Weight;
66   CeedInt           NB_interp[MAGMA_NONTENSOR_KERNEL_INSTANCES], NB_interp_t[MAGMA_NONTENSOR_KERNEL_INSTANCES];
67   CeedInt           NB_grad[MAGMA_NONTENSOR_KERNEL_INSTANCES], NB_grad_t[MAGMA_NONTENSOR_KERNEL_INSTANCES];
68   CeedScalar       *d_interp;
69   CeedScalar       *d_grad;
70   CeedScalar       *d_q_weight;
71 } CeedBasisNonTensor_Magma;
72 
73 CEED_INTERN int CeedBasisCreateTensorH1_Magma(CeedInt dim, CeedInt P_1d, CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
74                                               const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis);
75 
76 CEED_INTERN int CeedBasisCreateH1_Magma(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
77                                         const CeedScalar *grad, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis);
78 
79 CEED_INTERN magma_int_t magma_isdevptr(const void *);
80 
81 // Comment the line below to use the default magma_is_devptr function
82 #define magma_is_devptr magma_isdevptr
83 
84 // If magma and cuda/ref are using the null stream, then ceed_magma_queue_sync should do nothing
85 #define ceed_magma_queue_sync(...)
86 
87 #endif  // CEED_MAGMA_H
88