gpt2_webgpu_aot runs on mac after updating experimental/kernels/Makefile to point to updated dylib artifact, add note to third_party/lib/README.md regarding new dawn shared library build process

Author: austinvhuang

experimental/kernels/Makefile

@@ -16,7 +16,7 @@ CXXFLAGS=-std=c++17 -I$(GPUCPP) -I$(GPUCPP)/third_party/headers -I. -Iunittest_l
 CFLAGS=-Ofast -march=native -I. -Iunittest_llmc
 # CFLAGS=-O2 -march=native -I. -Iunittest_llmc
 
-LDFLAGS=$(STDLIB) -L$(GPUCPP)/third_party/lib -ldl -ldawn -fsanitize=address
+LDFLAGS=$(STDLIB) -L$(GPUCPP)/third_party/lib -ldl -lwebgpu_dawn -fsanitize=address
 FLAGS=$(CXXFLAGS) $(LDFLAGS)
 
 ifeq ($(shell [ -d /opt/homebrew/opt/libomp/lib ] && echo "exists"), exists)
@@ -83,18 +83,18 @@ endef
 build/test_gpt2: llm.c build/unittest_kernels.o gpt2_124M.bin
 	mkdir -p build
 	$(call preprocess_file)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ llm.c/test_gpt2.c build/unittest_kernels.o -g
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ llm.c/test_gpt2.c build/unittest_kernels.o
 
 build/test_gpt2_with_metal_profiler: llm.c build/unittest_kernels.o gpt2_124M.bin
 	mkdir -p build
 	$(call preprocess_file)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ llm.c/test_gpt2.c build/unittest_kernels.o -I$(GPUCPP) $(GPUCPP)/experimental/profiler/metal.mm -framework metal -framework Foundation -DMETAL_PROFILER -g
-	install_name_tool -change @rpath/libdawn.dylib $(GPUCPP)/third_party/lib/libdawn.dylib $@
+	install_name_tool -change @rpath/libwebgpu_dawn.dylib $(GPUCPP)/third_party/lib/libwebgpu_dawn.dylib $@
 
 build/train_gpt2: llm.c build/unittest_kernels.o gpt2_124M.bin
 	mkdir -p build
 	$(call preprocess_file)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ llm.c/train_gpt2.c build/unittest_kernels.o -g
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ llm.c/train_gpt2.c build/unittest_kernels.o
 
 build/ops.o: ops.cpp ops.hpp kernels.h llm.c
 	mkdir -p build && $(CXX) $(CXXFLAGS) -c -o $@ $<
@@ -105,7 +105,7 @@ build/gpt2_webgpu: llm.c gpt2_124M.bin llm.c gpt2_webgpu.cpp ops.cpp
 
 build/gpt2_webgpu_aot: llm.c gpt2_124M.bin llm.c gpt2_webgpu_aot.cpp ops_aot.cpp
 	mkdir -p build
-	$(CC) $(CXXFLAGS) -Illm.c $(LDFLAGS) -o $@ gpt2_webgpu_aot.cpp ops_aot.cpp -g
+	$(CC) $(CXXFLAGS) -Illm.c $(LDFLAGS) -o $@ gpt2_webgpu_aot.cpp ops_aot.cpp
 
 build/gpt2_webgpu.html: check-emsdk gpt2_webgpu.cpp term.html llm.c
 	em++ gpt2_webgpu.cpp ops.cpp \
@@ -139,7 +139,7 @@ server: build/gpt2_webgpu.html
 build/unittest_kernels.o: unittest_llmc/unittest_kernels.cpp unittest_llmc/unittest_kernels.h kernels.h
 	mkdir -p build && $(CXX) $(CXXFLAGS) -DNDEBUG -c -o $@ $<
 
-dawnlib: $(if $(wildcard $(GPUCPP)/third_party/lib/libdawn.so $(GPUCPP)/third_party/lib/libdawn.dylib),,run_setup)
+dawnlib: $(if $(wildcard $(GPUCPP)/third_party/lib/libwebgpu_dawn.so $(GPUCPP)/third_party/lib/libwebgpu_dawn.dylib),,run_setup)
 
 run_setup: check-python
 	cd $(GPUCPP) && python3 setup.py

third_party/lib/README.md

@@ -1,3 +1,22 @@
+# Release 0.2.0 (draft)
+
+Switched from
+https://github.com/jspanchu/webgpu-dawn-binaries
+to building from the dawn repository:
+https://github.com/google/dawn
+
+Commit hash:
+5a00ab1fbc22d6ebbab39c901c1f90144e9b71e9 
+
+Build with clang (assumes running from out/Release)
+
+```
+cmake -DBUILD_SHARED_LIBS=ON -DDAWN_BUILD_MONOLITHIC_LIBRARY=ON -DCMAKE_BUILD_TYPE=Release ../..
+```
+Library artifact is at `src/dawn/native/libwebgpu_dawn.dylib` (7.4 MB)
+
+# Release 0.1.0
+
 https://github.com/jspanchu/webgpu-dawn-binaries
 commit hash:
 c0602d5d0466040f6e080d6cb7209860538f9f8d