llama.cpp/ggml/src/ggml-vulkan/vulkan-shaders/tanh.comp
stduhpf 06d70147e6
Vulkan: fix NaN in tanh.comp with AMD proprietary driver on Windows (#10723)
* Vulkan: fix NaN in tanh.comp

* Faster NaN-free tanh
2024-12-08 19:19:19 +01:00

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#version 450
#include "generic_head.comp"
#include "types.comp"
#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;
}
data_d[i] = D_TYPE(1. - 2. / (exp(2.*data_a[i]) + 1.));
}