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
|
/*
* Subgroup broadcast 1D functions
*/
#ifndef HALF
kernel void compiler_subgroup_broadcast_imm_int(global int *src,
global int *dst,
uint simd_id)
{
uint index = get_global_id(0);
int val = src[index];
int broadcast_val = sub_group_broadcast(val, 2);
dst[index] = broadcast_val;
}
kernel void compiler_subgroup_broadcast_int(global int *src,
global int *dst,
uint simd_id)
{
uint index = get_global_id(0);
int val = src[index];
int broadcast_val = sub_group_broadcast(val, simd_id);
dst[index] = broadcast_val;
}
kernel void compiler_subgroup_broadcast_long(global long *src,
global long *dst,
uint simd_id)
{
uint index = get_global_id(0);
long val = src[index];
long broadcast_val = sub_group_broadcast(val, simd_id);
dst[index] = broadcast_val;
}
kernel void compiler_subgroup_broadcast_short(global short *src,
global short *dst,
uint simd_id)
{
uint index = get_global_id(0);
short val = src[index];
short broadcast_val = sub_group_broadcast(val, simd_id);
dst[index] = broadcast_val;
}
#else
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
kernel void compiler_subgroup_broadcast_half(global half *src,
global half *dst,
uint simd_id)
{
uint index = get_global_id(0);
half val = src[index];
half broadcast_val = sub_group_broadcast(val, simd_id);
//printf("%d val %d is %d\n",index,as_ushort(val), as_ushort(broadcast_val));
dst[index] = broadcast_val;
}
#endif
|
