1 files changed, 20 insertions, 0 deletions
diff --git a/ggml/src/vulkan-shaders/sigmoid.comp b/ggml/src/vulkan-shaders/sigmoid.comp
new file mode 100644
index 00000000..5c9e5c35
--- /dev/null
+++ b/ggml/src/vulkan-shaders/sigmoid.comp
@@ -0,0 +1,20 @@
+#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. / (1 + exp(-1. * float(data_a[i]))));
+}