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-rw-r--r--ggml_vk_generate_shaders.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/ggml_vk_generate_shaders.py b/ggml_vk_generate_shaders.py
index 6b1b82bf..67981a75 100644
--- a/ggml_vk_generate_shaders.py
+++ b/ggml_vk_generate_shaders.py
@@ -1689,7 +1689,8 @@ void main() {
}
const float xi = float(data_a[i]);
- data_d[i] = D_TYPE(0.5f*xi*(1.0f + tanh(SQRT_2_OVER_PI*xi*(1.0f + GELU_COEF_A*xi*xi))));
+ const float val = SQRT_2_OVER_PI*xi*(1.0f + GELU_COEF_A*xi*xi);
+ data_d[i] = D_TYPE(0.5f*xi*(2.0f - 2.0f / (exp(2 * val) + 1)));
}
"""