llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/get_rows.comp

#version 450

#include "types.glsl"
#include "generic_binary_head.glsl"

layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;

void main() {
    const uint i00 = gl_GlobalInvocationID.x;

    if (i00 >= p.ne00) {
        return;
    }

    uint gid_z = gl_GlobalInvocationID.z;
    while (gid_z < p.ne11 * p.ne12) {
        uint gid_y = gl_GlobalInvocationID.y;
        while (gid_y < p.ne10) {
            const uint i10 = gid_y;
            const uint i11 = gid_z / p.ne12;
            const uint i12 = gid_z % p.ne12;

            const uint i01 = data_b[get_boffset() + i10*p.nb10 + i11*p.nb11 + i12*p.nb12];

            const uint a_offset = get_aoffset() + i01*p.nb01 + i11*p.nb02 + i12*p.nb03;
            const uint d_offset = get_doffset() + i10*p.nb21 + i11*p.nb22 + i12*p.nb23;

#if defined(DATA_A_BF16)
            TEMP_TYPE v = TEMP_TYPE(bf16_to_fp32(data_a[a_offset + i00]));
#else
            TEMP_TYPE v = TEMP_TYPE(data_a[a_offset + i00]);
#endif
#ifndef OPTIMIZATION_ERROR_WORKAROUND
            data_d[d_offset + i00] = D_TYPE(v);
#else
            data_d[d_offset + i00] = D_TYPE(v);
#endif
            gid_y += gl_WorkGroupSize.y * gl_NumWorkGroups.y;
        }
        gid_z += gl_WorkGroupSize.z * gl_NumWorkGroups.z;
    }
}