1 files changed, 20 insertions, 5 deletions
diff --git a/ggml/src/vulkan-shaders/add.comp b/ggml/src/vulkan-shaders/add.comp
index 3974845d..2b4085c4 100644
--- a/ggml/src/vulkan-shaders/add.comp
+++ b/ggml/src/vulkan-shaders/add.comp
@@ -1,14 +1,29 @@
 #version 450
 
+#extension GL_EXT_shader_16bit_storage : require
+
 #include "types.comp"
 #include "generic_binary_head.comp"
 
+const uint num_threads = 256;
+
+layout(local_size_x = num_threads, local_size_y = 1, local_size_z = 1) in;
+
 void main() {
-    const uint idx = get_idx();
+    uint idx = get_idx();
 
-    if (idx >= p.ne) {
-        return;
-    }
+    // num_threads * num_iter must equal 512, to match the wg_denoms and get_idx calculation
+    const uint num_iter = 2;
 
-    data_d[p.d_offset + dst_idx(idx)] = D_TYPE(FLOAT_TYPE(data_a[src0_idx(idx)]) + FLOAT_TYPE(data_b[src1_idx(idx)]));
+    [[unroll]] for (uint i = 0; i < num_iter; ++i) {
+        if (idx >= p.ne) {
+            continue;
+        }
+        uint i00, i01, i02, i03;
+        get_indices(idx, i00, i01, i02, i03);
+
+        data_d[get_doffset() + dst_idx(i00, i01, i02, i03)] = D_TYPE(FLOAT_TYPE(data_a[get_aoffset() + src0_idx(i00, i01, i02, i03)]) + FLOAT_TYPE(data_b[get_boffset() + src1_idx(i00, i01, i02, i03)]));
+
+        idx += num_threads;
+    }
 }