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minimize_wrapper.go
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minimize_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 minimize kernel
var minimize_code cu.Function
// Stores the arguments for minimize kernel invocation
type minimize_args_t struct {
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_tx unsafe.Pointer
arg_ty unsafe.Pointer
arg_tz unsafe.Pointer
arg_dt float32
arg_N int
argptr [11]unsafe.Pointer
sync.Mutex
}
// Stores the arguments for minimize kernel invocation
var minimize_args minimize_args_t
func init() {
// CUDA driver kernel call wants pointers to arguments, set them up once.
minimize_args.argptr[0] = unsafe.Pointer(&minimize_args.arg_mx)
minimize_args.argptr[1] = unsafe.Pointer(&minimize_args.arg_my)
minimize_args.argptr[2] = unsafe.Pointer(&minimize_args.arg_mz)
minimize_args.argptr[3] = unsafe.Pointer(&minimize_args.arg_m0x)
minimize_args.argptr[4] = unsafe.Pointer(&minimize_args.arg_m0y)
minimize_args.argptr[5] = unsafe.Pointer(&minimize_args.arg_m0z)
minimize_args.argptr[6] = unsafe.Pointer(&minimize_args.arg_tx)
minimize_args.argptr[7] = unsafe.Pointer(&minimize_args.arg_ty)
minimize_args.argptr[8] = unsafe.Pointer(&minimize_args.arg_tz)
minimize_args.argptr[9] = unsafe.Pointer(&minimize_args.arg_dt)
minimize_args.argptr[10] = unsafe.Pointer(&minimize_args.arg_N)
}
// Wrapper for minimize CUDA kernel, asynchronous.
func k_minimize_async(mx unsafe.Pointer, my unsafe.Pointer, mz unsafe.Pointer, m0x unsafe.Pointer, m0y unsafe.Pointer, m0z unsafe.Pointer, tx unsafe.Pointer, ty unsafe.Pointer, tz unsafe.Pointer, dt float32, N int, cfg *config) {
if Synchronous { // debug
Sync()
timer.Start("minimize")
}
minimize_args.Lock()
defer minimize_args.Unlock()
if minimize_code == 0 {
minimize_code = fatbinLoad(minimize_map, "minimize")
}
minimize_args.arg_mx = mx
minimize_args.arg_my = my
minimize_args.arg_mz = mz
minimize_args.arg_m0x = m0x
minimize_args.arg_m0y = m0y
minimize_args.arg_m0z = m0z
minimize_args.arg_tx = tx
minimize_args.arg_ty = ty
minimize_args.arg_tz = tz
minimize_args.arg_dt = dt
minimize_args.arg_N = N
args := minimize_args.argptr[:]
cu.LaunchKernel(minimize_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("minimize")
}
}
// maps compute capability on PTX code for minimize kernel.
var minimize_map = map[int]string{0: "",
50: minimize_ptx_50}
// minimize PTX code for various compute capabilities.
const (
minimize_ptx_50 = `
.version 7.5
.target sm_50
.address_size 64
// .globl minimize
.visible .entry minimize(
.param .u64 minimize_param_0,
.param .u64 minimize_param_1,
.param .u64 minimize_param_2,
.param .u64 minimize_param_3,
.param .u64 minimize_param_4,
.param .u64 minimize_param_5,
.param .u64 minimize_param_6,
.param .u64 minimize_param_7,
.param .u64 minimize_param_8,
.param .f32 minimize_param_9,
.param .u32 minimize_param_10
)
{
.reg .pred %p<2>;
.reg .f32 %f<26>;
.reg .b32 %r<9>;
.reg .b64 %rd<29>;
ld.param.u64 %rd1, [minimize_param_0];
ld.param.u64 %rd2, [minimize_param_1];
ld.param.u64 %rd3, [minimize_param_2];
ld.param.u64 %rd4, [minimize_param_3];
ld.param.u64 %rd5, [minimize_param_4];
ld.param.u64 %rd6, [minimize_param_5];
ld.param.u64 %rd7, [minimize_param_6];
ld.param.u64 %rd8, [minimize_param_7];
ld.param.u64 %rd9, [minimize_param_8];
ld.param.f32 %f1, [minimize_param_9];
ld.param.u32 %r2, [minimize_param_10];
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 %rd10, %rd4;
mul.wide.s32 %rd11, %r1, 4;
add.s64 %rd12, %rd10, %rd11;
cvta.to.global.u64 %rd13, %rd5;
add.s64 %rd14, %rd13, %rd11;
cvta.to.global.u64 %rd15, %rd6;
add.s64 %rd16, %rd15, %rd11;
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;
ld.global.nc.f32 %f2, [%rd18];
ld.global.nc.f32 %f3, [%rd20];
mul.f32 %f4, %f3, %f3;
fma.rn.f32 %f5, %f2, %f2, %f4;
ld.global.nc.f32 %f6, [%rd22];
fma.rn.f32 %f7, %f6, %f6, %f5;
mul.f32 %f8, %f1, %f1;
mul.f32 %f9, %f8, %f7;
mov.f32 %f10, 0f40800000;
sub.f32 %f11, %f10, %f9;
ld.global.nc.f32 %f12, [%rd12];
mul.f32 %f13, %f12, %f11;
ld.global.nc.f32 %f14, [%rd14];
mul.f32 %f15, %f14, %f11;
ld.global.nc.f32 %f16, [%rd16];
mul.f32 %f17, %f16, %f11;
mul.f32 %f18, %f1, 0f40800000;
fma.rn.f32 %f19, %f18, %f2, %f13;
fma.rn.f32 %f20, %f18, %f3, %f15;
fma.rn.f32 %f21, %f18, %f6, %f17;
add.f32 %f22, %f9, 0f40800000;
div.rn.f32 %f23, %f19, %f22;
cvta.to.global.u64 %rd23, %rd1;
add.s64 %rd24, %rd23, %rd11;
st.global.f32 [%rd24], %f23;
div.rn.f32 %f24, %f20, %f22;
cvta.to.global.u64 %rd25, %rd2;
add.s64 %rd26, %rd25, %rd11;
st.global.f32 [%rd26], %f24;
div.rn.f32 %f25, %f21, %f22;
cvta.to.global.u64 %rd27, %rd3;
add.s64 %rd28, %rd27, %rd11;
st.global.f32 [%rd28], %f25;
$L__BB0_2:
ret;
}
`
)