Add LFM2.5-VL 1.6B vulkan (8da4w) build

.gitattributes

@@ -56,3 +56,4 @@ vl_450m/mlx/lfm_2_5_vl_450m_mlx_int4.pte filter=lfs diff=lfs merge=lfs -text
 vl_1_6b/mlx/lfm2_5_vl_1_6b_fullmlx_allbf16_dyn.pte filter=lfs diff=lfs merge=lfs -text
 vl_1_6b/mlx/lfm_2_5_vl_1_6b_mlx_int4.pte filter=lfs diff=lfs merge=lfs -text
 vl_450m/vulkan/lfm_2_5_vl_450m_vulkan_8da4w.pte filter=lfs diff=lfs merge=lfs -text
+vl_1_6b/vulkan/lfm_2_5_vl_1_6b_vulkan_8da4w.pte filter=lfs diff=lfs merge=lfs -text

vl_1_6b/vulkan/config.json

@@ -0,0 +1,103 @@
+{
+  "$schema": "https://huggingface.co/software-mansion/react-native-executorch-spec/resolve/main/config.schema.json",
+  "model": "lfm_2_5_vl",
+  "family": "lfm",
+  "capabilities": [
+    "vision",
+    "text-generation"
+  ],
+  "backend": "vulkan",
+  "license": "lfm-1.0",
+  "variants": [
+    {
+      "file": "lfm_2_5_vl_1_6b_vulkan_8da4w.pte",
+      "precision": "8da4w",
+      "quantized": true,
+      "default": true,
+      "methods": {
+        "enable_dynamic_shape": false,
+        "get_eos_ids": [
+          7
+        ],
+        "get_max_context_len": 2048,
+        "get_max_seq_len": 256,
+        "get_n_layers": null,
+        "get_vocab_size": 65536,
+        "text_decoder": {
+          "inputs": [
+            {
+              "shape": [
+                1,
+                256,
+                2048
+              ],
+              "dtype": "float32"
+            },
+            {
+              "shape": [
+                256
+              ],
+              "dtype": "int64"
+            }
+          ],
+          "outputs": [
+            {
+              "shape": [
+                1,
+                65536
+              ],
+              "dtype": "float32"
+            }
+          ]
+        },
+        "token_embedding": {
+          "inputs": [
+            {
+              "shape": [
+                1,
+                2048
+              ],
+              "dtype": "int64"
+            }
+          ],
+          "outputs": [
+            {
+              "shape": [
+                1,
+                2048,
+                2048
+              ],
+              "dtype": "float32"
+            }
+          ]
+        },
+        "use_kv_cache": true,
+        "use_sdpa_with_kv_cache": true,
+        "vision_encoder": {
+          "inputs": [
+            {
+              "shape": [
+                1,
+                3,
+                512,
+                512
+              ],
+              "dtype": "float32"
+            }
+          ],
+          "outputs": [
+            {
+              "shape": [
+                1,
+                256,
+                2048
+              ],
+              "dtype": "float32"
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "size": "1_6b"
+}

vl_1_6b/vulkan/lfm_2_5_vl_1_6b_vulkan_8da4w.pte

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f746b0ce3406d078413a926069d0e8aae493e4ac1acb424e010d2a18fc5f28b
+size 2533361152