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gneb_velocity_wrapper.go
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/
gneb_velocity_wrapper.go
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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 velocity kernel
var velocity_code cu.Function
// Stores the arguments for velocity kernel invocation
type velocity_args_t struct {
arg_vx unsafe.Pointer
arg_vy unsafe.Pointer
arg_vz unsafe.Pointer
arg_kx unsafe.Pointer
arg_ky unsafe.Pointer
arg_kz unsafe.Pointer
arg_mx unsafe.Pointer
arg_my unsafe.Pointer
arg_mz unsafe.Pointer
arg_m0x unsafe.Pointer
arg_m0y unsafe.Pointer
arg_m0z unsafe.Pointer
arg_N int
arg_Nz int
argptr [14]unsafe.Pointer
sync.Mutex
}
// Stores the arguments for velocity kernel invocation
var velocity_args velocity_args_t
func init() {
// CUDA driver kernel call wants pointers to arguments, set them up once.
velocity_args.argptr[0] = unsafe.Pointer(&velocity_args.arg_vx)
velocity_args.argptr[1] = unsafe.Pointer(&velocity_args.arg_vy)
velocity_args.argptr[2] = unsafe.Pointer(&velocity_args.arg_vz)
velocity_args.argptr[3] = unsafe.Pointer(&velocity_args.arg_kx)
velocity_args.argptr[4] = unsafe.Pointer(&velocity_args.arg_ky)
velocity_args.argptr[5] = unsafe.Pointer(&velocity_args.arg_kz)
velocity_args.argptr[6] = unsafe.Pointer(&velocity_args.arg_mx)
velocity_args.argptr[7] = unsafe.Pointer(&velocity_args.arg_my)
velocity_args.argptr[8] = unsafe.Pointer(&velocity_args.arg_mz)
velocity_args.argptr[9] = unsafe.Pointer(&velocity_args.arg_m0x)
velocity_args.argptr[10] = unsafe.Pointer(&velocity_args.arg_m0y)
velocity_args.argptr[11] = unsafe.Pointer(&velocity_args.arg_m0z)
velocity_args.argptr[12] = unsafe.Pointer(&velocity_args.arg_N)
velocity_args.argptr[13] = unsafe.Pointer(&velocity_args.arg_Nz)
}
// Wrapper for velocity CUDA kernel, asynchronous.
func k_velocity_async(vx unsafe.Pointer, vy unsafe.Pointer, vz unsafe.Pointer, kx unsafe.Pointer, ky unsafe.Pointer, kz unsafe.Pointer, mx unsafe.Pointer, my unsafe.Pointer, mz unsafe.Pointer, m0x unsafe.Pointer, m0y unsafe.Pointer, m0z unsafe.Pointer, N int, Nz int, cfg *config) {
if Synchronous { // debug
Sync()
timer.Start("velocity")
}
velocity_args.Lock()
defer velocity_args.Unlock()
if velocity_code == 0 {
velocity_code = fatbinLoad(velocity_map, "velocity")
}
velocity_args.arg_vx = vx
velocity_args.arg_vy = vy
velocity_args.arg_vz = vz
velocity_args.arg_kx = kx
velocity_args.arg_ky = ky
velocity_args.arg_kz = kz
velocity_args.arg_mx = mx
velocity_args.arg_my = my
velocity_args.arg_mz = mz
velocity_args.arg_m0x = m0x
velocity_args.arg_m0y = m0y
velocity_args.arg_m0z = m0z
velocity_args.arg_N = N
velocity_args.arg_Nz = Nz
args := velocity_args.argptr[:]
cu.LaunchKernel(velocity_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("velocity")
}
}
// maps compute capability on PTX code for velocity kernel.
var velocity_map = map[int]string{0: "",
50: velocity_ptx_50}
// velocity PTX code for various compute capabilities.
const (
velocity_ptx_50 = `
.version 7.5
.target sm_50
.address_size 64
// .globl velocity
.visible .entry velocity(
.param .u64 velocity_param_0,
.param .u64 velocity_param_1,
.param .u64 velocity_param_2,
.param .u64 velocity_param_3,
.param .u64 velocity_param_4,
.param .u64 velocity_param_5,
.param .u64 velocity_param_6,
.param .u64 velocity_param_7,
.param .u64 velocity_param_8,
.param .u64 velocity_param_9,
.param .u64 velocity_param_10,
.param .u64 velocity_param_11,
.param .u32 velocity_param_12,
.param .u32 velocity_param_13
)
{
.reg .pred %p<3>;
.reg .f32 %f<28>;
.reg .b32 %r<10>;
.reg .b64 %rd<38>;
ld.param.u64 %rd4, [velocity_param_0];
ld.param.u64 %rd5, [velocity_param_1];
ld.param.u64 %rd6, [velocity_param_2];
ld.param.u64 %rd7, [velocity_param_3];
ld.param.u64 %rd8, [velocity_param_4];
ld.param.u64 %rd9, [velocity_param_5];
ld.param.u64 %rd10, [velocity_param_6];
ld.param.u64 %rd11, [velocity_param_7];
ld.param.u64 %rd12, [velocity_param_8];
ld.param.u64 %rd13, [velocity_param_9];
ld.param.u64 %rd14, [velocity_param_10];
ld.param.u64 %rd15, [velocity_param_11];
ld.param.u32 %r2, [velocity_param_12];
mov.u32 %r3, %ctaid.y;
mov.u32 %r4, %nctaid.x;
mov.u32 %r5, %ctaid.x;
mad.lo.s32 %r6, %r3, %r4, %r5;
mov.u32 %r7, %ntid.x;
mov.u32 %r8, %tid.x;
mad.lo.s32 %r1, %r6, %r7, %r8;
setp.ge.s32 %p1, %r1, %r2;
@%p1 bra $L__BB0_3;
cvta.to.global.u64 %rd16, %rd13;
cvta.to.global.u64 %rd17, %rd10;
mul.wide.s32 %rd18, %r1, 4;
add.s64 %rd19, %rd17, %rd18;
cvta.to.global.u64 %rd20, %rd11;
add.s64 %rd21, %rd20, %rd18;
cvta.to.global.u64 %rd22, %rd12;
add.s64 %rd23, %rd22, %rd18;
add.s64 %rd24, %rd16, %rd18;
cvta.to.global.u64 %rd25, %rd14;
add.s64 %rd26, %rd25, %rd18;
cvta.to.global.u64 %rd27, %rd15;
add.s64 %rd28, %rd27, %rd18;
cvta.to.global.u64 %rd29, %rd7;
add.s64 %rd30, %rd29, %rd18;
cvta.to.global.u64 %rd31, %rd8;
add.s64 %rd32, %rd31, %rd18;
cvta.to.global.u64 %rd33, %rd9;
add.s64 %rd34, %rd33, %rd18;
ld.global.nc.f32 %f1, [%rd30];
ld.global.nc.f32 %f2, [%rd19];
ld.global.nc.f32 %f3, [%rd32];
ld.global.nc.f32 %f4, [%rd21];
mul.f32 %f5, %f4, %f3;
fma.rn.f32 %f6, %f2, %f1, %f5;
ld.global.nc.f32 %f7, [%rd34];
ld.global.nc.f32 %f8, [%rd23];
fma.rn.f32 %f9, %f8, %f7, %f6;
ld.global.nc.f32 %f10, [%rd24];
ld.global.nc.f32 %f11, [%rd26];
mul.f32 %f12, %f4, %f11;
fma.rn.f32 %f13, %f2, %f10, %f12;
ld.global.nc.f32 %f14, [%rd28];
fma.rn.f32 %f15, %f8, %f14, %f13;
mul.f32 %f16, %f15, %f1;
mul.f32 %f17, %f10, %f9;
sub.f32 %f18, %f16, %f17;
cvta.to.global.u64 %rd35, %rd4;
add.s64 %rd1, %rd35, %rd18;
st.global.f32 [%rd1], %f18;
mul.f32 %f19, %f15, %f3;
mul.f32 %f20, %f9, %f11;
sub.f32 %f21, %f19, %f20;
cvta.to.global.u64 %rd36, %rd5;
add.s64 %rd2, %rd36, %rd18;
st.global.f32 [%rd2], %f21;
mul.f32 %f22, %f15, %f7;
mul.f32 %f23, %f9, %f14;
sub.f32 %f24, %f22, %f23;
cvta.to.global.u64 %rd37, %rd6;
add.s64 %rd3, %rd37, %rd18;
st.global.f32 [%rd3], %f24;
mul.f32 %f25, %f21, %f21;
fma.rn.f32 %f26, %f18, %f18, %f25;
fma.rn.f32 %f27, %f24, %f24, %f26;
setp.neu.f32 %p2, %f27, 0f3F800000;
@%p2 bra $L__BB0_3;
mov.u32 %r9, 1120403456;
st.global.u32 [%rd1], %r9;
st.global.u32 [%rd2], %r9;
st.global.u32 [%rd3], %r9;
$L__BB0_3:
ret;
}
`
)