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madd4_wrapper.go
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madd4_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 madd4 kernel
var madd4_code cu.Function
// Stores the arguments for madd4 kernel invocation
type madd4_args_t struct {
arg_dst unsafe.Pointer
arg_src1 unsafe.Pointer
arg_fac1 float32
arg_src2 unsafe.Pointer
arg_fac2 float32
arg_src3 unsafe.Pointer
arg_fac3 float32
arg_src4 unsafe.Pointer
arg_fac4 float32
arg_N int
argptr [10]unsafe.Pointer
sync.Mutex
}
// Stores the arguments for madd4 kernel invocation
var madd4_args madd4_args_t
func init() {
// CUDA driver kernel call wants pointers to arguments, set them up once.
madd4_args.argptr[0] = unsafe.Pointer(&madd4_args.arg_dst)
madd4_args.argptr[1] = unsafe.Pointer(&madd4_args.arg_src1)
madd4_args.argptr[2] = unsafe.Pointer(&madd4_args.arg_fac1)
madd4_args.argptr[3] = unsafe.Pointer(&madd4_args.arg_src2)
madd4_args.argptr[4] = unsafe.Pointer(&madd4_args.arg_fac2)
madd4_args.argptr[5] = unsafe.Pointer(&madd4_args.arg_src3)
madd4_args.argptr[6] = unsafe.Pointer(&madd4_args.arg_fac3)
madd4_args.argptr[7] = unsafe.Pointer(&madd4_args.arg_src4)
madd4_args.argptr[8] = unsafe.Pointer(&madd4_args.arg_fac4)
madd4_args.argptr[9] = unsafe.Pointer(&madd4_args.arg_N)
}
// Wrapper for madd4 CUDA kernel, asynchronous.
func k_madd4_async(dst unsafe.Pointer, src1 unsafe.Pointer, fac1 float32, src2 unsafe.Pointer, fac2 float32, src3 unsafe.Pointer, fac3 float32, src4 unsafe.Pointer, fac4 float32, N int, cfg *config) {
if Synchronous { // debug
Sync()
timer.Start("madd4")
}
madd4_args.Lock()
defer madd4_args.Unlock()
if madd4_code == 0 {
madd4_code = fatbinLoad(madd4_map, "madd4")
}
madd4_args.arg_dst = dst
madd4_args.arg_src1 = src1
madd4_args.arg_fac1 = fac1
madd4_args.arg_src2 = src2
madd4_args.arg_fac2 = fac2
madd4_args.arg_src3 = src3
madd4_args.arg_fac3 = fac3
madd4_args.arg_src4 = src4
madd4_args.arg_fac4 = fac4
madd4_args.arg_N = N
args := madd4_args.argptr[:]
cu.LaunchKernel(madd4_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("madd4")
}
}
// maps compute capability on PTX code for madd4 kernel.
var madd4_map = map[int]string{0: "",
50: madd4_ptx_50}
// madd4 PTX code for various compute capabilities.
const (
madd4_ptx_50 = `
.version 7.5
.target sm_50
.address_size 64
// .globl madd4
.visible .entry madd4(
.param .u64 madd4_param_0,
.param .u64 madd4_param_1,
.param .f32 madd4_param_2,
.param .u64 madd4_param_3,
.param .f32 madd4_param_4,
.param .u64 madd4_param_5,
.param .f32 madd4_param_6,
.param .u64 madd4_param_7,
.param .f32 madd4_param_8,
.param .u32 madd4_param_9
)
{
.reg .pred %p<2>;
.reg .f32 %f<13>;
.reg .b32 %r<9>;
.reg .b64 %rd<17>;
ld.param.u64 %rd1, [madd4_param_0];
ld.param.u64 %rd2, [madd4_param_1];
ld.param.f32 %f1, [madd4_param_2];
ld.param.u64 %rd3, [madd4_param_3];
ld.param.f32 %f2, [madd4_param_4];
ld.param.u64 %rd4, [madd4_param_5];
ld.param.f32 %f3, [madd4_param_6];
ld.param.u64 %rd5, [madd4_param_7];
ld.param.f32 %f4, [madd4_param_8];
ld.param.u32 %r2, [madd4_param_9];
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 %rd6, %rd2;
mul.wide.s32 %rd7, %r1, 4;
add.s64 %rd8, %rd6, %rd7;
ld.global.nc.f32 %f5, [%rd8];
cvta.to.global.u64 %rd9, %rd3;
add.s64 %rd10, %rd9, %rd7;
ld.global.nc.f32 %f6, [%rd10];
mul.f32 %f7, %f6, %f2;
fma.rn.f32 %f8, %f5, %f1, %f7;
cvta.to.global.u64 %rd11, %rd4;
add.s64 %rd12, %rd11, %rd7;
ld.global.nc.f32 %f9, [%rd12];
fma.rn.f32 %f10, %f9, %f3, %f8;
cvta.to.global.u64 %rd13, %rd5;
add.s64 %rd14, %rd13, %rd7;
ld.global.nc.f32 %f11, [%rd14];
fma.rn.f32 %f12, %f11, %f4, %f10;
cvta.to.global.u64 %rd15, %rd1;
add.s64 %rd16, %rd15, %rd7;
st.global.f32 [%rd16], %f12;
$L__BB0_2:
ret;
}
`
)