Benchmark.

sqlite3/libc/benchmark.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd -P -- "$(dirname -- "$0")"
+
+touch empty.S
+./build.sh empty.S
+go test -bench=.
+rm -f empty.S
+
+./build.sh
+go test -bench=.

sqlite3/libc/build.sh

@@ -6,11 +6,13 @@ cd -P -- "$(dirname -- "$0")"
 ROOT=../../
 BINARYEN="$ROOT/tools/binaryen/bin"
 WASI_SDK="$ROOT/tools/wasi-sdk/bin"
+SRCS="${1:-../strings.c}"
+"../tools.sh"
 
 trap 'rm -f libc.tmp' EXIT
 
 "$WASI_SDK/clang" --target=wasm32-wasi -std=c23 -g0 -O2 \
-	-o libc.wasm ../strings.c \
+	-o libc.wasm "$SRCS" \
 	-mexec-model=reactor \
 	-msimd128 -mmutable-globals -mmultivalue \
 	-mbulk-memory -mreference-types \

sqlite3/tools.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd -P -- "$(dirname -- "$0")"
+
+ROOT=../
+
+if [[ "$OSTYPE" == "msys" || "$OSTYPE" == "cygwin" ]]; then
+  WASI_SDK="x86_64-windows"
+  BINARYEN="x86_64-windows"
+elif [[ "$OSTYPE" == "linux"* ]]; then
+  if [[ "$(uname -m)" == "x86_64" ]]; then
+    WASI_SDK="x86_64-linux"
+    BINARYEN="x86_64-linux"
+  else
+    WASI_SDK="arm64-linux"
+    BINARYEN="aarch64-linux"
+  fi
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+  if [[ "$(uname -m)" == "x86_64" ]]; then
+    WASI_SDK="x86_64-macos"
+    BINARYEN="x86_64-macos"
+  else
+    WASI_SDK="arm64-macos"
+    BINARYEN="arm64-macos"
+  fi
+fi
+
+WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-25/wasi-sdk-25.0-$WASI_SDK.tar.gz"
+BINARYEN="https://github.com/WebAssembly/binaryen/releases/download/version_123/binaryen-version_123-$BINARYEN.tar.gz"
+
+# Download tools
+mkdir -p "$ROOT/tools"
+[ -d "$ROOT/tools/wasi-sdk" ] || curl -#L "$WASI_SDK" | tar xzC "$ROOT/tools" &
+[ -d "$ROOT/tools/binaryen" ] || curl -#L "$BINARYEN" | tar xzC "$ROOT/tools" &
+wait
+
+[ -d "$ROOT/tools/wasi-sdk" ] || mv "$ROOT/tools/wasi-sdk"* "$ROOT/tools/wasi-sdk"
+[ -d "$ROOT/tools/binaryen" ] || mv "$ROOT/tools/binaryen"* "$ROOT/tools/binaryen"