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gneb_gminimize_wrapper.go
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gneb_gminimize_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 gminimize kernel
var gminimize_code cu.Function
// Stores the arguments for gminimize kernel invocation
type gminimize_args_t struct {
arg_mx unsafe.Pointer
arg_my unsafe.Pointer
arg_mz unsafe.Pointer
arg_Bx unsafe.Pointer
arg_By unsafe.Pointer
arg_Bz unsafe.Pointer
arg_dt float32
arg_N int
argptr [8]unsafe.Pointer
sync.Mutex
}
// Stores the arguments for gminimize kernel invocation
var gminimize_args gminimize_args_t
func init() {
// CUDA driver kernel call wants pointers to arguments, set them up once.
gminimize_args.argptr[0] = unsafe.Pointer(&gminimize_args.arg_mx)
gminimize_args.argptr[1] = unsafe.Pointer(&gminimize_args.arg_my)
gminimize_args.argptr[2] = unsafe.Pointer(&gminimize_args.arg_mz)
gminimize_args.argptr[3] = unsafe.Pointer(&gminimize_args.arg_Bx)
gminimize_args.argptr[4] = unsafe.Pointer(&gminimize_args.arg_By)
gminimize_args.argptr[5] = unsafe.Pointer(&gminimize_args.arg_Bz)
gminimize_args.argptr[6] = unsafe.Pointer(&gminimize_args.arg_dt)
gminimize_args.argptr[7] = unsafe.Pointer(&gminimize_args.arg_N)
}
// Wrapper for gminimize CUDA kernel, asynchronous.
func k_gminimize_async(mx unsafe.Pointer, my unsafe.Pointer, mz unsafe.Pointer, Bx unsafe.Pointer, By unsafe.Pointer, Bz unsafe.Pointer, dt float32, N int, cfg *config) {
if Synchronous { // debug
Sync()
timer.Start("gminimize")
}
gminimize_args.Lock()
defer gminimize_args.Unlock()
if gminimize_code == 0 {
gminimize_code = fatbinLoad(gminimize_map, "gminimize")
}
gminimize_args.arg_mx = mx
gminimize_args.arg_my = my
gminimize_args.arg_mz = mz
gminimize_args.arg_Bx = Bx
gminimize_args.arg_By = By
gminimize_args.arg_Bz = Bz
gminimize_args.arg_dt = dt
gminimize_args.arg_N = N
args := gminimize_args.argptr[:]
cu.LaunchKernel(gminimize_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("gminimize")
}
}
// maps compute capability on PTX code for gminimize kernel.
var gminimize_map = map[int]string{0: "",
50: gminimize_ptx_50}
// gminimize PTX code for various compute capabilities.
const (
gminimize_ptx_50 = `
.version 7.5
.target sm_50
.address_size 64
// .globl gminimize
.visible .entry gminimize(
.param .u64 gminimize_param_0,
.param .u64 gminimize_param_1,
.param .u64 gminimize_param_2,
.param .u64 gminimize_param_3,
.param .u64 gminimize_param_4,
.param .u64 gminimize_param_5,
.param .f32 gminimize_param_6,
.param .u32 gminimize_param_7
)
{
.reg .pred %p<3>;
.reg .f32 %f<33>;
.reg .b32 %r<9>;
.reg .f64 %fd<41>;
.reg .b64 %rd<20>;
ld.param.u64 %rd1, [gminimize_param_0];
ld.param.u64 %rd2, [gminimize_param_1];
ld.param.u64 %rd3, [gminimize_param_2];
ld.param.u64 %rd4, [gminimize_param_3];
ld.param.u64 %rd5, [gminimize_param_4];
ld.param.u64 %rd6, [gminimize_param_5];
ld.param.f32 %f1, [gminimize_param_6];
ld.param.u32 %r2, [gminimize_param_7];
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_2;
cvta.to.global.u64 %rd7, %rd1;
mul.wide.s32 %rd8, %r1, 4;
add.s64 %rd9, %rd7, %rd8;
cvta.to.global.u64 %rd10, %rd2;
add.s64 %rd11, %rd10, %rd8;
cvta.to.global.u64 %rd12, %rd3;
add.s64 %rd13, %rd12, %rd8;
cvta.to.global.u64 %rd14, %rd4;
add.s64 %rd15, %rd14, %rd8;
cvta.to.global.u64 %rd16, %rd5;
add.s64 %rd17, %rd16, %rd8;
cvta.to.global.u64 %rd18, %rd6;
add.s64 %rd19, %rd18, %rd8;
ld.global.f32 %f2, [%rd13];
setp.lt.f32 %p2, %f2, 0f00000000;
selp.f32 %f3, 0fBF800000, 0f3F800000, %p2;
ld.global.f32 %f4, [%rd9];
cvt.f64.f32 %fd1, %f4;
mul.f32 %f5, %f2, %f3;
cvt.f64.f32 %fd2, %f5;
add.f64 %fd3, %fd2, 0d3FF0000000000000;
mov.f64 %fd4, 0d3FF0000000000000;
div.rn.f64 %fd5, %fd1, %fd3;
cvt.rn.f32.f64 %f6, %fd5;
ld.global.f32 %f7, [%rd11];
cvt.f64.f32 %fd6, %f7;
div.rn.f64 %fd7, %fd6, %fd3;
cvt.rn.f32.f64 %f8, %fd7;
ld.global.nc.f32 %f9, [%rd15];
cvt.f64.f32 %fd8, %f9;
mul.f32 %f10, %f7, %f7;
cvt.f64.f32 %fd9, %f10;
fma.rn.f64 %fd10, %fd3, %fd2, %fd9;
mul.f64 %fd11, %fd10, %fd8;
ld.global.nc.f32 %f11, [%rd17];
mul.f32 %f12, %f4, %f11;
mul.f32 %f13, %f7, %f12;
cvt.f64.f32 %fd12, %f13;
sub.f64 %fd13, %fd11, %fd12;
ld.global.nc.f32 %f14, [%rd19];
mul.f32 %f15, %f4, %f14;
add.f32 %f16, %f2, %f3;
mul.f32 %f17, %f16, %f15;
cvt.f64.f32 %fd14, %f17;
sub.f64 %fd15, %fd13, %fd14;
cvt.rn.f32.f64 %f18, %fd15;
mul.f32 %f19, %f4, %f9;
mul.f32 %f20, %f7, %f19;
cvt.f64.f32 %fd16, %f20;
cvt.f64.f32 %fd17, %f11;
mul.f32 %f21, %f4, %f4;
cvt.f64.f32 %fd18, %f21;
fma.rn.f64 %fd19, %fd3, %fd2, %fd18;
mul.f64 %fd20, %fd19, %fd17;
sub.f64 %fd21, %fd20, %fd16;
mul.f32 %f22, %f7, %f14;
mul.f32 %f23, %f16, %f22;
cvt.f64.f32 %fd22, %f23;
sub.f64 %fd23, %fd21, %fd22;
cvt.rn.f32.f64 %f24, %fd23;
fma.rn.f32 %f25, %f18, %f1, %f6;
fma.rn.f32 %f26, %f24, %f1, %f8;
mul.f32 %f27, %f25, %f25;
cvt.f64.f32 %fd24, %f27;
add.f64 %fd25, %fd24, 0d3FF0000000000000;
mul.f32 %f28, %f26, %f26;
cvt.f64.f32 %fd26, %f28;
add.f64 %fd27, %fd25, %fd26;
rcp.rn.f64 %fd28, %fd27;
cvt.rn.f32.f64 %f29, %fd28;
cvt.f64.f32 %fd29, %f25;
add.f64 %fd30, %fd29, %fd29;
cvt.f64.f32 %fd31, %f29;
mul.f64 %fd32, %fd30, %fd31;
cvt.rn.f32.f64 %f30, %fd32;
st.global.f32 [%rd9], %f30;
cvt.f64.f32 %fd33, %f26;
add.f64 %fd34, %fd33, %fd33;
mul.f64 %fd35, %fd34, %fd31;
cvt.rn.f32.f64 %f31, %fd35;
st.global.f32 [%rd11], %f31;
cvt.f64.f32 %fd36, %f3;
sub.f64 %fd37, %fd4, %fd24;
sub.f64 %fd38, %fd37, %fd26;
mul.f64 %fd39, %fd38, %fd36;
mul.f64 %fd40, %fd39, %fd31;
cvt.rn.f32.f64 %f32, %fd40;
st.global.f32 [%rd13], %f32;
$L__BB0_2:
ret;
}
`
)