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authorMitja Felicijan <mitja.felicijan@gmail.com>2026-02-12 20:57:17 +0100
committerMitja Felicijan <mitja.felicijan@gmail.com>2026-02-12 20:57:17 +0100
commitb333b06772c89d96aacb5490d6a219fba7c09cc6 (patch)
tree211df60083a5946baa2ed61d33d8121b7e251b06 /llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/sum_rows.comp
downloadllmnpc-b333b06772c89d96aacb5490d6a219fba7c09cc6.tar.gz
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Diffstat (limited to 'llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/sum_rows.comp')
-rw-r--r--llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/sum_rows.comp47
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diff --git a/llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/sum_rows.comp b/llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/sum_rows.comp
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1#version 450
2
3#include "types.glsl"
4#include "sum_rows.glsl"
5
6#extension GL_EXT_control_flow_attributes : enable
7
8layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in;
9
10layout (binding = 0) readonly buffer A {A_TYPE data_a[];};
11layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};
12
13layout (constant_id = 0) const uint BLOCK_SIZE = 32;
14
15shared FLOAT_TYPE tmp[BLOCK_SIZE];
16
17void main() {
18 const uint row = gl_WorkGroupID.z * 262144 + gl_WorkGroupID.y * 512 + gl_WorkGroupID.x;
19 const uint col = gl_LocalInvocationID.x;
20 const float weight = p.weight;
21
22 const uint i03 = fastdiv(row, p.ne0_12mp, p.ne0_12L);
23 const uint i03_offset = i03 * p.ne01*p.ne02;
24 const uint i02 = fastdiv(row - i03_offset, p.ne0_1mp, p.ne0_1L);
25 const uint i01 = row - i03_offset - i02*p.ne01;
26
27 const uint src_idx = get_aoffset() + i01 * p.nb01 + i02 * p.nb02 + i03 * p.nb03;
28 const uint dst_idx = get_doffset() + i01 * p.nb11 + i02 * p.nb12 + i03 * p.nb13;
29
30 tmp[col] = FLOAT_TYPE(0.0);
31
32 for (uint i = col; i < p.n_cols; i += BLOCK_SIZE) {
33 tmp[col] += FLOAT_TYPE(data_a[src_idx + i]);
34 }
35
36 barrier();
37 [[unroll]] for (int s = int(BLOCK_SIZE) / 2; s > 0; s >>= 1) {
38 if (col < s) {
39 tmp[col] += tmp[col + s];
40 }
41 barrier();
42 }
43
44 if (col == 0) {
45 data_d[dst_idx] = D_TYPE(tmp[0] * weight);
46 }
47}