-
Notifications
You must be signed in to change notification settings - Fork 1
/
gneb_gneb_wrapper.go
267 lines (244 loc) · 7.34 KB
/
gneb_gneb_wrapper.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
package cuda
/*
THIS FILE IS AUTO-GENERATED BY CUDA2GO.
EDITING IS FUTILE.
*/
import (
"github.com/kuchkin/mumax3-gneb/cuda/cu"
"github.com/kuchkin/mumax3-gneb/timer"
"sync"
"unsafe"
)
// CUDA handle for gneb kernel
var gneb_code cu.Function
// Stores the arguments for gneb kernel invocation
type gneb_args_t struct {
arg_Bx unsafe.Pointer
arg_By unsafe.Pointer
arg_Bz unsafe.Pointer
arg_Tx unsafe.Pointer
arg_Ty unsafe.Pointer
arg_Tz unsafe.Pointer
arg_mx unsafe.Pointer
arg_my unsafe.Pointer
arg_mz unsafe.Pointer
arg_Nx int
arg_Ny int
arg_Nz int
arg_noi int
arg_image int
arg_Tp float32
arg_Lp float32
arg_Ln float32
arg_k float32
arg_CIGNEB int
arg_Pos int
argptr [20]unsafe.Pointer
sync.Mutex
}
// Stores the arguments for gneb kernel invocation
var gneb_args gneb_args_t
func init() {
// CUDA driver kernel call wants pointers to arguments, set them up once.
gneb_args.argptr[0] = unsafe.Pointer(&gneb_args.arg_Bx)
gneb_args.argptr[1] = unsafe.Pointer(&gneb_args.arg_By)
gneb_args.argptr[2] = unsafe.Pointer(&gneb_args.arg_Bz)
gneb_args.argptr[3] = unsafe.Pointer(&gneb_args.arg_Tx)
gneb_args.argptr[4] = unsafe.Pointer(&gneb_args.arg_Ty)
gneb_args.argptr[5] = unsafe.Pointer(&gneb_args.arg_Tz)
gneb_args.argptr[6] = unsafe.Pointer(&gneb_args.arg_mx)
gneb_args.argptr[7] = unsafe.Pointer(&gneb_args.arg_my)
gneb_args.argptr[8] = unsafe.Pointer(&gneb_args.arg_mz)
gneb_args.argptr[9] = unsafe.Pointer(&gneb_args.arg_Nx)
gneb_args.argptr[10] = unsafe.Pointer(&gneb_args.arg_Ny)
gneb_args.argptr[11] = unsafe.Pointer(&gneb_args.arg_Nz)
gneb_args.argptr[12] = unsafe.Pointer(&gneb_args.arg_noi)
gneb_args.argptr[13] = unsafe.Pointer(&gneb_args.arg_image)
gneb_args.argptr[14] = unsafe.Pointer(&gneb_args.arg_Tp)
gneb_args.argptr[15] = unsafe.Pointer(&gneb_args.arg_Lp)
gneb_args.argptr[16] = unsafe.Pointer(&gneb_args.arg_Ln)
gneb_args.argptr[17] = unsafe.Pointer(&gneb_args.arg_k)
gneb_args.argptr[18] = unsafe.Pointer(&gneb_args.arg_CIGNEB)
gneb_args.argptr[19] = unsafe.Pointer(&gneb_args.arg_Pos)
}
// Wrapper for gneb CUDA kernel, asynchronous.
func k_gneb_async(Bx unsafe.Pointer, By unsafe.Pointer, Bz unsafe.Pointer, Tx unsafe.Pointer, Ty unsafe.Pointer, Tz unsafe.Pointer, mx unsafe.Pointer, my unsafe.Pointer, mz unsafe.Pointer, Nx int, Ny int, Nz int, noi int, image int, Tp float32, Lp float32, Ln float32, k float32, CIGNEB int, Pos int, cfg *config) {
if Synchronous { // debug
Sync()
timer.Start("gneb")
}
gneb_args.Lock()
defer gneb_args.Unlock()
if gneb_code == 0 {
gneb_code = fatbinLoad(gneb_map, "gneb")
}
gneb_args.arg_Bx = Bx
gneb_args.arg_By = By
gneb_args.arg_Bz = Bz
gneb_args.arg_Tx = Tx
gneb_args.arg_Ty = Ty
gneb_args.arg_Tz = Tz
gneb_args.arg_mx = mx
gneb_args.arg_my = my
gneb_args.arg_mz = mz
gneb_args.arg_Nx = Nx
gneb_args.arg_Ny = Ny
gneb_args.arg_Nz = Nz
gneb_args.arg_noi = noi
gneb_args.arg_image = image
gneb_args.arg_Tp = Tp
gneb_args.arg_Lp = Lp
gneb_args.arg_Ln = Ln
gneb_args.arg_k = k
gneb_args.arg_CIGNEB = CIGNEB
gneb_args.arg_Pos = Pos
args := gneb_args.argptr[:]
cu.LaunchKernel(gneb_code, cfg.Grid.X, cfg.Grid.Y, cfg.Grid.Z, cfg.Block.X, cfg.Block.Y, cfg.Block.Z, 0, stream0, args)
if Synchronous { // debug
Sync()
timer.Stop("gneb")
}
}
// maps compute capability on PTX code for gneb kernel.
var gneb_map = map[int]string{0: "",
50: gneb_ptx_50}
// gneb PTX code for various compute capabilities.
const (
gneb_ptx_50 = `
.version 7.5
.target sm_50
.address_size 64
// .globl gneb
.visible .entry gneb(
.param .u64 gneb_param_0,
.param .u64 gneb_param_1,
.param .u64 gneb_param_2,
.param .u64 gneb_param_3,
.param .u64 gneb_param_4,
.param .u64 gneb_param_5,
.param .u64 gneb_param_6,
.param .u64 gneb_param_7,
.param .u64 gneb_param_8,
.param .u32 gneb_param_9,
.param .u32 gneb_param_10,
.param .u32 gneb_param_11,
.param .u32 gneb_param_12,
.param .u32 gneb_param_13,
.param .f32 gneb_param_14,
.param .f32 gneb_param_15,
.param .f32 gneb_param_16,
.param .f32 gneb_param_17,
.param .u32 gneb_param_18,
.param .u32 gneb_param_19
)
{
.reg .pred %p<10>;
.reg .f32 %f<37>;
.reg .b32 %r<24>;
.reg .b64 %rd<29>;
ld.param.u64 %rd1, [gneb_param_0];
ld.param.u64 %rd2, [gneb_param_1];
ld.param.u64 %rd3, [gneb_param_2];
ld.param.u64 %rd4, [gneb_param_3];
ld.param.u64 %rd5, [gneb_param_4];
ld.param.u64 %rd6, [gneb_param_5];
ld.param.u64 %rd7, [gneb_param_6];
ld.param.u64 %rd8, [gneb_param_7];
ld.param.u64 %rd9, [gneb_param_8];
ld.param.u32 %r4, [gneb_param_9];
ld.param.u32 %r5, [gneb_param_10];
ld.param.u32 %r6, [gneb_param_11];
ld.param.u32 %r7, [gneb_param_12];
ld.param.u32 %r8, [gneb_param_13];
ld.param.f32 %f1, [gneb_param_14];
ld.param.f32 %f2, [gneb_param_15];
ld.param.f32 %f3, [gneb_param_16];
ld.param.f32 %f4, [gneb_param_17];
ld.param.u32 %r9, [gneb_param_18];
ld.param.u32 %r10, [gneb_param_19];
mov.u32 %r11, %ntid.x;
mov.u32 %r12, %ctaid.x;
mov.u32 %r13, %tid.x;
mad.lo.s32 %r1, %r12, %r11, %r13;
mov.u32 %r14, %ntid.y;
mov.u32 %r15, %ctaid.y;
mov.u32 %r16, %tid.y;
mad.lo.s32 %r2, %r15, %r14, %r16;
mov.u32 %r17, %ntid.z;
mov.u32 %r18, %ctaid.z;
mov.u32 %r19, %tid.z;
mad.lo.s32 %r3, %r18, %r17, %r19;
setp.ge.s32 %p1, %r1, %r4;
setp.ge.s32 %p2, %r2, %r5;
or.pred %p3, %p1, %p2;
setp.ge.s32 %p4, %r3, %r6;
or.pred %p5, %p3, %p4;
@%p5 bra $L__BB0_3;
div.s32 %r20, %r6, %r7;
div.s32 %r21, %r3, %r20;
setp.ne.s32 %p6, %r21, %r8;
@%p6 bra $L__BB0_3;
mad.lo.s32 %r22, %r3, %r5, %r2;
mad.lo.s32 %r23, %r22, %r4, %r1;
cvta.to.global.u64 %rd10, %rd4;
mul.wide.s32 %rd11, %r23, 4;
add.s64 %rd12, %rd10, %rd11;
sqrt.rn.f32 %f5, %f1;
ld.global.nc.f32 %f6, [%rd12];
div.rn.f32 %f7, %f6, %f5;
cvta.to.global.u64 %rd13, %rd5;
add.s64 %rd14, %rd13, %rd11;
ld.global.nc.f32 %f8, [%rd14];
div.rn.f32 %f9, %f8, %f5;
cvta.to.global.u64 %rd15, %rd6;
add.s64 %rd16, %rd15, %rd11;
ld.global.nc.f32 %f10, [%rd16];
div.rn.f32 %f11, %f10, %f5;
cvta.to.global.u64 %rd17, %rd7;
add.s64 %rd18, %rd17, %rd11;
cvta.to.global.u64 %rd19, %rd8;
add.s64 %rd20, %rd19, %rd11;
cvta.to.global.u64 %rd21, %rd9;
add.s64 %rd22, %rd21, %rd11;
cvta.to.global.u64 %rd23, %rd1;
add.s64 %rd24, %rd23, %rd11;
cvta.to.global.u64 %rd25, %rd2;
add.s64 %rd26, %rd25, %rd11;
cvta.to.global.u64 %rd27, %rd3;
add.s64 %rd28, %rd27, %rd11;
setp.eq.s32 %p7, %r8, %r10;
setp.eq.s32 %p8, %r9, 1;
and.pred %p9, %p8, %p7;
ld.global.f32 %f12, [%rd24];
ld.global.f32 %f13, [%rd26];
mul.f32 %f14, %f9, %f13;
fma.rn.f32 %f15, %f7, %f12, %f14;
ld.global.f32 %f16, [%rd28];
fma.rn.f32 %f17, %f11, %f16, %f15;
mul.f32 %f18, %f17, 0fC0000000;
sub.f32 %f19, %f3, %f2;
fma.rn.f32 %f20, %f19, %f4, %f17;
selp.f32 %f21, %f18, %f20, %p9;
fma.rn.f32 %f22, %f7, %f21, %f12;
fma.rn.f32 %f23, %f9, %f21, %f13;
fma.rn.f32 %f24, %f11, %f21, %f16;
ld.global.nc.f32 %f25, [%rd18];
ld.global.nc.f32 %f26, [%rd20];
mul.f32 %f27, %f26, %f23;
fma.rn.f32 %f28, %f25, %f22, %f27;
ld.global.nc.f32 %f29, [%rd22];
fma.rn.f32 %f30, %f29, %f24, %f28;
mul.f32 %f31, %f25, %f30;
sub.f32 %f32, %f22, %f31;
st.global.f32 [%rd24], %f32;
mul.f32 %f33, %f26, %f30;
sub.f32 %f34, %f23, %f33;
st.global.f32 [%rd26], %f34;
mul.f32 %f35, %f29, %f30;
sub.f32 %f36, %f24, %f35;
st.global.f32 [%rd28], %f36;
$L__BB0_3:
ret;
}
`
)