vkml 0.0.3

High-level Vulkan-based machine learning library
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

[vk::constant_id(0)]
const int WORKGROUP_SIZE_X = 1;
[vk::constant_id(1)]
const int WORKGROUP_SIZE_Y = 1;
[vk::constant_id(2)]
const int WORKGROUP_SIZE_Z = 1;

struct PushConstants
{
    uint total;
    uint reduction_size;
}

[[vk::push_constant]]
PushConstants pc;

[shader("compute")]
[numthreads(WORKGROUP_SIZE_X, WORKGROUP_SIZE_Y, WORKGROUP_SIZE_Z)]
void main<T : IArithmetic>(
    StructuredBuffer<T> src,
    RWStructuredBuffer<T> dst,
    uint3 threadId: SV_DispatchThreadID)
{
    uint gid = threadId.x;
    uint total = pc.total;
    if (gid >= total)
        return;

    uint base = gid * pc.reduction_size;
    T sum = T(0);
    for (uint i = 0u; i < pc.reduction_size; ++i)
    {
        sum = sum + src[base + i];
    }

    dst[gid] = sum / T(pc.reduction_size);
}