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

#version 450

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

// false for SET, true for ACC
layout(constant_id = 1) const bool ACC = true;

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

void main() {
    const uint idx = gl_GlobalInvocationID.x;
    if (idx >= p.ne) {
        return;
    }

    const uint offset = p.param3;
    const uint src1_i = idx - offset;
    const uint i3 = src1_i / p.nb03;
    const uint rem2 = src1_i - i3 * p.nb03;
    const uint i2 = rem2 / p.nb02;
    const uint rem1 = rem2 - i2 * p.nb02;
    const uint i1 = rem1 / p.nb01;
    const uint i0 = rem1 % p.nb01;

    uint i00, i01, i02, i03;

    if (i0 < p.ne10 && i1 < p.ne11 && i2 < p.ne12 && i3 < p.ne13) {
        if (ACC) {
            data_d[get_doffset() + idx] = D_TYPE(FLOAT_TYPE(data_a[get_aoffset() + idx]) + FLOAT_TYPE(data_b[get_boffset() + src1_idx(i0, i1, i2, i3)]));
        } else {
            data_d[get_doffset() + idx] = D_TYPE(FLOAT_TYPE(data_b[get_boffset() + src1_idx(i0, i1, i2, i3)]));
        }
    } else {
        data_d[get_doffset() + idx] = D_TYPE(FLOAT_TYPE(data_a[get_aoffset() + idx]));
    }
}