luboslenco
17 lines
514 B
Plaintext
17 lines
514 B
Plaintext
#version 450
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/* Swish/SiLU: out = x * sigmoid(x). In-place safe (binding 0 and 1 may alias). */
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layout(local_size_x = 256) in;
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layout(std430, binding = 0) readonly buffer In { float x[]; };
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layout(std430, binding = 1) writeonly buffer Out { float outp[]; };
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layout(push_constant) uniform PC { uint n; } pc;
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void main() {
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uint stride_g = gl_NumWorkGroups.x * 256u;
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for (uint i = gl_GlobalInvocationID.x; i < pc.n; i += stride_g) {
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float v = x[i];
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outp[i] = v / (1.0 + exp(-v));
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}
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}
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