[RFC] DFlash on Qwen3-4b

.gitignore

@@ -69,6 +69,7 @@ xcuserdata/
 /src/executorch/include/
 /src/executorch/share/
 /src/executorch/version.py
+/dflash_benchmarks.md
 *_etdump
 
 # Android
@@ -85,3 +86,6 @@ zephyr_dev_root.backup.*/
 # Agents
 .claude/*.local.*
 extension/pybindings/mlx.metallib
+
+# Scratch/WIP work not ready for review -- never committed
+/wip/

Makefile

@@ -484,3 +484,8 @@ clean:
 	rm -rf cmake-out \
 	       extension/llm/tokenizers/build \
 	       extension/llm/tokenizers/pytorch_tokenizers.egg-info
+
+# qwen3_dflash-mlx target removed: it depended on the C++ engine sources
+# (CMakeLists.txt, CMakePresets.json, qwen3_dflash_engine.*), which are
+# gitignored/not yet landed. Restore this target in the follow-up PR that
+# actually lands the C++ engine.