wasm-micro-runtime/samples/workload/XNNPACK/xnnpack.patch

diff --git a/.bazelrc b/.bazelrc
index fcaff1063..e61d53337 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -1,6 +1,7 @@
 # Basic build settings
 build --jobs 128
 build --cxxopt='-std=gnu++14'
+build --incompatible_enable_cc_toolchain_resolution
 
 # Sets the default Apple platform to macOS.
 build --apple_platform_type=macos
@@ -55,3 +56,10 @@ build:macos --apple_platform_type=macos
 
 build:macos_arm64 --config=macos
 build:macos_arm64 --cpu=darwin_arm64
+
+# Emscripten configs
+build:wasm --copt="-Wno-unused"
+build:wasm --copt="-Wno-unused-function"
+build:wasm --copt="-Wno-unused-but-set-variable"
+build:wasm --cpu=wasm
+build:wasm --features=wasm_simd
diff --git a/WORKSPACE b/WORKSPACE
index 2e568088b..3961371ca 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -83,7 +83,23 @@ http_archive(
 )
 
 # Android NDK location and version is auto-detected from $ANDROID_NDK_HOME environment variable
-android_ndk_repository(name = "androidndk")
+# android_ndk_repository(name = "androidndk")
 
 # Android SDK location and API is auto-detected from $ANDROID_HOME environment variable
-android_sdk_repository(name = "androidsdk")
+# android_sdk_repository(name = "androidsdk")
+
+http_archive(
+    name = "emsdk",
+    sha256 = "5fa6f5eb45a4d50264610c4c9e1c155535359b63bfaad69b4e5101d16c1e7e32",
+    strip_prefix = "emsdk-a896e3d066448b3530dbcaa48869fafefd738f57/bazel",
+    url = "https://github.com/emscripten-core/emsdk/archive/a896e3d066448b3530dbcaa48869fafefd738f57.tar.gz",
+)
+
+load("@emsdk//:deps.bzl", emsdk_deps = "deps")
+emsdk_deps()
+
+load("@emsdk//:emscripten_deps.bzl", emsdk_emscripten_deps = "emscripten_deps")
+emsdk_emscripten_deps(emscripten_version = "3.1.44")
+
+load("@emsdk//:toolchains.bzl", "register_emscripten_toolchains")
+register_emscripten_toolchains()
diff --git a/bench/utils.cc b/bench/utils.cc
index 3b32503a7..656845336 100644
--- a/bench/utils.cc
+++ b/bench/utils.cc
@@ -456,3 +456,13 @@ CodeMemoryHelper::~CodeMemoryHelper() {
 
 }  // namespace utils
 }  // namespace benchmark
+
+
+extern "C"
+__attribute__((import_module("env"), import_name("getentropy"))) int import_getentropy(void* buffer, size_t length);
+
+extern "C"
+int getentropy(void* buffer, size_t length)
+{
+  return import_getentropy(buffer, length);
+}
diff --git a/build_defs.bzl b/build_defs.bzl
index 01b436eb7..2738fd50a 100644
--- a/build_defs.bzl
+++ b/build_defs.bzl
@@ -1,6 +1,7 @@
 """Build definitions and rules for XNNPACK."""
 
-load(":emscripten.bzl", "xnnpack_emscripten_benchmark_linkopts", "xnnpack_emscripten_deps", "xnnpack_emscripten_minimal_linkopts", "xnnpack_emscripten_test_linkopts")
+load(":emscripten.bzl", "xnnpack_emscripten_benchmark_linkopts", "xnnpack_emscripten_deps", "xnnpack_emscripten_minimal_linkopts", "xnnpack_emscripten_test_linkopts", "xnnpack_emscripten_standalone_benchmark_linkopts")
+load("@emsdk//emscripten_toolchain:wasm_rules.bzl", "wasm_cc_binary")
 
 def xnnpack_visibility():
     """Visibility of :XNNPACK target.
@@ -393,7 +394,8 @@ def xnnpack_benchmark(name, srcs, copts = [], deps = [], tags = []):
             "//conditions:default": ["-Wno-unused-function"],
         }) + copts,
         linkopts = select({
-            ":emscripten": xnnpack_emscripten_benchmark_linkopts(),
+            ":emscripten": xnnpack_emscripten_standalone_benchmark_linkopts(),
+            ":emscripten_wasmsimd": xnnpack_emscripten_standalone_benchmark_linkopts(),
             ":windows_x86_64_mingw": ["-lshlwapi"],
             ":windows_x86_64_msys": ["-lshlwapi"],
             "//conditions:default": [],
@@ -405,5 +407,16 @@ def xnnpack_benchmark(name, srcs, copts = [], deps = [], tags = []):
             ":emscripten": xnnpack_emscripten_deps(),
             "//conditions:default": [],
         }),
-	tags = tags,
+        tags = tags,
+    )
+
+    wasm_cc_binary(
+        name = name + "-wasm",
+        cc_target = ":" + name,
+        threads = "off",
+        simd = True,
+        standalone= True,
+        outputs = [
+            name + ".wasm",
+        ]
     )
diff --git a/emscripten.bzl b/emscripten.bzl
index f1557a7b1..a3c4f93b9 100644
--- a/emscripten.bzl
+++ b/emscripten.bzl
@@ -33,6 +33,21 @@ def xnnpack_emscripten_benchmark_linkopts():
         "--pre-js $(location :preamble.js.lds)",
     ]
 
+def xnnpack_emscripten_standalone_benchmark_linkopts():
+    return [
+        "-s ASSERTIONS=1",
+        "-s ERROR_ON_UNDEFINED_SYMBOLS=0",
+        "-s ALLOW_MEMORY_GROWTH=1",
+        "-s TOTAL_MEMORY=536870912",  # 512M
+        "-s USE_PTHREADS=0",
+        "-s STANDALONE_WASM=1",
+        "-Wl,--export=__heap_base",
+        "-Wl,--export=__data_end",
+        "-Wl,--export=malloc",
+        "-Wl,--export=free",
+    ]
+
+
 def xnnpack_emscripten_deps():
     """Emscripten-specific dependencies for unit tests and benchmarks."""
     return [