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


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#version 450

#include "generic_head.glsl"
#include "types.glsl"

#extension GL_EXT_control_flow_attributes : enable

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

layout (binding = 0) readonly buffer X {A_TYPE data_a[];};
layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};

void main() {
    const uint i = gl_GlobalInvocationID.z * 262144 + gl_GlobalInvocationID.y * 512 + gl_GlobalInvocationID.x;

    if (i >= p.KX) {
        return;
    }

    const float x = float(data_a[i]);
    data_d[i] = D_TYPE(min(1.0f, max(0.0f, (x + 3.0f) / 6.0f)));
}