Neko 0.9.99
A portable framework for high-order spectral element flow simulations
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makebdf_kernel.h
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1/*
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34
35#ifndef __COMMON_MAKEBDF_KERNEL__
36#define __COMMON_MAKEBDF_KERNEL__
37
38template< typename T >
40 const T * __restrict__ ulag2,
41 const T * __restrict__ vlag1,
42 const T * __restrict__ vlag2,
43 const T * __restrict__ wlag1,
44 const T * __restrict__ wlag2,
48 const T * __restrict__ u,
49 const T * __restrict__ v,
50 const T * __restrict__ w,
51 const T * __restrict__ B,
52 const T rho,
53 const T dt,
54 const T bd2,
55 const T bd3,
56 const T bd4,
57 const int nbd,
58 const int n) {
59
60 const int idx = blockIdx.x * blockDim.x + threadIdx.x;
61 const int str = blockDim.x * gridDim.x;
62
63 for (int i = idx; i < n; i += str) {
64 T tb1_val = u[i] * B[i] * bd2;
65 T tb2_val = v[i] * B[i] * bd2;
66 T tb3_val = w[i] * B[i] * bd2;
67
68 T ta1_val = ulag1[i] * B[i] * bd3;
69 T ta2_val = vlag1[i] * B[i] * bd3;
70 T ta3_val = wlag1[i] * B[i] * bd3;
71
75
76 if (nbd == 3) {
77 tb1_val += ulag2[i] * B[i] * bd4;
78 tb2_val += vlag2[i] * B[i] * bd4;
79 tb3_val += wlag2[i] * B[i] * bd4;
80 }
81
82 bfx[i] = bfx[i] + tb1_val * (rho / dt);
83 bfy[i] = bfy[i] + tb2_val * (rho / dt);
84 bfz[i] = bfz[i] + tb3_val * (rho / dt);
85 }
86
87}
88
89template< typename T >
91 const T * __restrict__ s_laglag,
93 const T * __restrict__ s,
94 const T * __restrict__ B,
95 const T rho,
96 const T dt,
97 const T bd2,
98 const T bd3,
99 const T bd4,
100 const int nbd,
101 const int n) {
102
103 const int idx = blockIdx.x * blockDim.x + threadIdx.x;
104 const int str = blockDim.x * gridDim.x;
105
106 for (int i = idx; i < n; i += str) {
107 T tb1_val = s[i] * B[i] * bd2;
108
109 T ta1_val = s_lag[i] * B[i] * bd3;
110
111 tb1_val += ta1_val;
112
113 if (nbd == 3) {
114 tb1_val += s_laglag[i] * B[i] * bd4;
115 }
116
117 fs[i] = fs[i] + tb1_val * (rho / dt);
118 }
119
120}
121
122#endif // __COMMON_MAKEBDF_KERNEL__
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ w
const int i
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ u
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ v
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dt
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
__global__ void scalar_makebdf_kernel(const T *__restrict__ s_lag, const T *__restrict__ s_laglag, T *__restrict__ fs, const T *__restrict__ s, const T *__restrict__ B, const T rho, const T dt, const T bd2, const T bd3, const T bd4, const int nbd, const int n)
__global__ void makebdf_kernel(const T *__restrict__ ulag1, const T *__restrict__ ulag2, const T *__restrict__ vlag1, const T *__restrict__ vlag2, const T *__restrict__ wlag1, const T *__restrict__ wlag2, T *__restrict__ bfx, T *__restrict__ bfy, T *__restrict__ bfz, const T *__restrict__ u, const T *__restrict__ v, const T *__restrict__ w, const T *__restrict__ B, const T rho, const T dt, const T bd2, const T bd3, const T bd4, const int nbd, const int n)