From 464c20c33400f3830331a578924c06356b6698bc Mon Sep 17 00:00:00 2001
From: bytedream <bytedream@protonmail.com>
Date: Sat, 1 Mar 2025 16:16:44 +0100
Subject: [PATCH] add benchmark script

---
 .gitignore                           |   3 +
 benchmarks/bench.sh                  | 120 +++++++++
 benchmarks/fengari/main.js           |  28 ++
 benchmarks/fengari/package-lock.json |  62 +++++
 benchmarks/fengari/package.json      |  10 +
 benchmarks/wasm/Cargo.lock           | 373 +++++++++++++++++++++++++++
 benchmarks/wasm/Cargo.toml           |  10 +
 benchmarks/wasm/build.rs             |  25 ++
 benchmarks/wasm/main.js              |  32 +++
 benchmarks/wasm/src/lib.rs           |  25 ++
 10 files changed, 688 insertions(+)
 create mode 100755 benchmarks/bench.sh
 create mode 100644 benchmarks/fengari/main.js
 create mode 100644 benchmarks/fengari/package-lock.json
 create mode 100644 benchmarks/fengari/package.json
 create mode 100644 benchmarks/wasm/Cargo.lock
 create mode 100644 benchmarks/wasm/Cargo.toml
 create mode 100644 benchmarks/wasm/build.rs
 create mode 100644 benchmarks/wasm/main.js
 create mode 100644 benchmarks/wasm/src/lib.rs

diff --git a/.gitignore b/.gitignore
index 0fe3645..a1d8806 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,7 @@
 
 book
 
+/node_modules/
 /target/
+
+benchmarks/benches
diff --git a/benchmarks/bench.sh b/benchmarks/bench.sh
new file mode 100755
index 0000000..0ed12c4
--- /dev/null
+++ b/benchmarks/bench.sh
@@ -0,0 +1,120 @@
+#!/usr/bin/env bash
+
+if [ ! -d benches ]; then
+  echo "Benchmark sources not found, downloading..."
+  mkdir benches
+  curl -L -o benches/benchmarksgame-sourcecode.zip https://salsa.debian.org/benchmarksgame-team/benchmarksgame/-/raw/3889723f05b20fe9008d7c987f832fe5d5db5bf1/public/download/benchmarksgame-sourcecode.zip
+  unzip -d benches/ benches/benchmarksgame-sourcecode.zip
+  echo "Downloaded benchmark sources"
+fi
+
+if [ ! -d "fengari/node_modules" ]; then
+  echo "Node modules not pulled, pulling"
+  npm --prefix ./fengari install
+  echo "Node modules pulled"
+fi
+
+if [ ! -f "wasm/target/wasm32-unknown-emscripten/release/wasm.js" ]; then
+  echo "Wasm module not built, building it..."
+  cargo build --manifest-path ./wasm/Cargo.toml --release --target wasm32-unknown-emscripten
+  echo "Wasm module built"
+fi
+
+bench() {
+  target="$1"
+  file="$2"
+  args=${@:3}
+
+  secs=""
+  cpu_secs=""
+  mem=""
+
+  for _ in {1..5}; do
+    output=$(/usr/bin/time -f '%U %S %e %M' node "$target/main.js" "$(cat $file)" $args 2>&1> /dev/null)
+    if [ $? != 0 ]; then
+      echo "Benchmark exited unexpectedly: $output"
+      return 1;
+    fi
+    secs="${secs} $(echo "$output" | awk '{ print $1 + $2 }')"
+    cpu_secs="${cpu_secs} $(echo "$output" | awk '{ print $3 }')"
+    mem="${mem} $(echo "$output" | awk '{ print $4 }')"
+  done
+
+  mid_secs=$(echo "$secs" | awk '{ printf "%.3f", ($1 + $2 + $3 + $4 + $5) / 5 }')
+  mid_cpu_secs=$(echo "$cpu_secs" | awk '{ printf "%.3f", ($1 + $2 + $3 + $4 + $5) / 5 }')
+  mid_mem=$(echo "$mem" | awk '{ printf "%.0f", ($1 + $2 + $3 + $4 + $5) / 5 }')
+
+  echo "$mid_secs $mid_cpu_secs $mid_mem"
+}
+
+bench_and_print() {
+  name="$1"
+  directory="$2"
+  files="$3"
+  args=${@:4}
+
+  # "array" of <secs> <cpu secs> <mem> <target> [#num]
+  bench_results=""
+  for file in $files; do
+    num=$(echo $file | grep -oP '(?<=lua-)\d(?=.lua)')
+
+    for target in fengari wasm; do
+      result=$(bench "$target" "$directory/$file" $args)
+
+      if [ $? != 0 ]; then
+        echo "$result"
+        return 1;
+      fi
+
+      if [ -z "${num}" ]; then
+        bench_results="${bench_results}\n$result $target"
+      else
+        bench_results="${bench_results}\n$result $target $num"
+      fi
+    done
+  done
+
+  bench_results=$(printf "$bench_results" | sed 1d | sort -k1 -n)
+  best_bench_secs=$(printf "$bench_results" | head -1 | awk '{ print $1 }')
+
+  echo "#### $name"
+  echo "| x | source | secs | mem(kb) | cpu secs |"
+  echo "| - | ------ | ---- | --- | -------- |"
+  printf "$bench_results\n" | while read line; do
+    secs=$(echo "$line" | awk '{ print $1 }')
+    cpu_secs=$(echo "$line" | awk '{ print $2 }')
+    mem=$(echo "$line" | awk '{ print $3 }')
+    target=$(echo "$line" | awk '{ print $4 }')
+    number=$(echo "$line" | awk '{ print $5 }')
+
+    secs_ratio=$(echo "$secs $best_bench_secs" | awk '{ printf "%.3f\n", $1 / $2 }')
+
+    if [ -z "$number" ]; then
+      echo "| $secs_ratio | $target | $secs | $mem | $cpu_secs |"
+    else
+      echo "| $secs_ratio | $target #$number | $secs | $mem | $cpu_secs |"
+    fi
+  done
+
+  if [ -z "${args}" ]; then
+    echo "###### [$name](https://benchmarksgame-team.pages.debian.net/benchmarksgame/performance/$(basename $directory)) with default arguments"
+  else
+    echo "###### [$name](https://benchmarksgame-team.pages.debian.net/benchmarksgame/performance/$(basename $directory)) with argument(s): $args"
+  fi
+}
+
+echo "Starting benchmarks"
+
+bench_and_print "binary-trees" benches/binarytrees "binarytrees.lua-2.lua"  # binarytrees.lua-3.lua and binarytrees.lua-4.lua are using io.popen for multiprocessing
+# bench_and_print "fannkuch-redux" benches/fannkuchredux "fannkuchredux.lua"  # broken
+bench_and_print "fasta" benches/fasta "fasta.lua-2.lua fasta.lua-3.lua"
+# bench_and_print "knucleotide" benches/knucleotide "knucleotide.lua-2.lua"  # needs to read from stdin
+bench_and_print "mandelbrot" benches/mandelbrot "mandelbrot.lua mandelbrot.lua-2.lua mandelbrot.lua-3.lua"  # mandelbrot.lua-6.lua is using io.popen for multiprocessing
+bench_and_print "n-body" benches/nbody "nbody.lua nbody.lua-2.lua nbody.lua-4.lua"
+# bench_and_print "nbody-inprocess" benches/nbodyinprocess ""  # has no lua implementation
+# bench_and_print "pidigits" benches/pidigits "pidigits.lua pidigits.lua-5.lua pidigits.lua-7.lua"  # all need external 'c-gmp' module
+# bench_and_print "regex-redux" benches/regexredux "regexredux.lua"  # needs external 'rex_pcre2' module
+# bench_and_print "reverse-complement" benches/revcomp "revcomp.lua-2.lua revcomp.lua-4.lua revcomp.lua-5.lua"  # all need to read from stdin
+bench_and_print "spectral-norm" benches/spectralnorm "spectralnorm.lua"
+
+echo "Benchmarks finished"
diff --git a/benchmarks/fengari/main.js b/benchmarks/fengari/main.js
new file mode 100644
index 0000000..c79bd47
--- /dev/null
+++ b/benchmarks/fengari/main.js
@@ -0,0 +1,28 @@
+import fengari from 'fengari';
+
+if (process.argv.length < 3) {
+    console.error('Invalid number of arguments');
+    process.exit(1);
+}
+
+const program = process.argv[2];
+const args = process.argv.slice(3);
+
+const lauxlib = fengari.lauxlib;
+const lua = fengari.lua;
+const lualib = fengari.lualib;
+
+const L = lauxlib.luaL_newstate();
+lualib.luaL_openlibs(L);
+
+// set 'arg' (argv) value, this allows to manipulate the behavior of the scripts
+lauxlib.luaL_newlibtable(L);
+lua.lua_pushstring(L, 'lua');
+lua.lua_rawseti(L, -2, 0);
+for (let i = 0; i < args.length; i++) {
+    lua.lua_pushstring(L, args[i]);
+    lua.lua_rawseti(L, -2, i + 1);
+}
+lua.lua_setglobal(L, 'arg')
+
+lauxlib.luaL_dostring(L, fengari.to_luastring(program));
diff --git a/benchmarks/fengari/package-lock.json b/benchmarks/fengari/package-lock.json
new file mode 100644
index 0000000..4f3e8b6
--- /dev/null
+++ b/benchmarks/fengari/package-lock.json
@@ -0,0 +1,62 @@
+{
+  "name": "fengari",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "fengari",
+      "version": "1.0.0",
+      "dependencies": {
+        "fengari": "=0.1.4"
+      }
+    },
+    "node_modules/fengari": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/fengari/-/fengari-0.1.4.tgz",
+      "integrity": "sha512-6ujqUuiIYmcgkGz8MGAdERU57EIluGGPSUgGPTsco657EHa+srq0S3/YUl/r9kx1+D+d4rGfYObd+m8K22gB1g==",
+      "license": "MIT",
+      "dependencies": {
+        "readline-sync": "^1.4.9",
+        "sprintf-js": "^1.1.1",
+        "tmp": "^0.0.33"
+      }
+    },
+    "node_modules/os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha512-D2FR03Vir7FIu45XBY20mTb+/ZSWB00sjU9jdQXt83gDrI4Ztz5Fs7/yy74g2N5SVQY4xY1qDr4rNddwYRVX0g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/readline-sync": {
+      "version": "1.4.10",
+      "resolved": "https://registry.npmjs.org/readline-sync/-/readline-sync-1.4.10.tgz",
+      "integrity": "sha512-gNva8/6UAe8QYepIQH/jQ2qn91Qj0B9sYjMBBs3QOB8F2CXcKgLxQaJRP76sWVRQt+QU+8fAkCbCvjjMFu7Ycw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/sprintf-js": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.3.tgz",
+      "integrity": "sha512-Oo+0REFV59/rz3gfJNKQiBlwfHaSESl1pcGyABQsnnIfWOFt6JNj5gCog2U6MLZ//IGYD+nA8nI+mTShREReaA==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/tmp": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "license": "MIT",
+      "dependencies": {
+        "os-tmpdir": "~1.0.2"
+      },
+      "engines": {
+        "node": ">=0.6.0"
+      }
+    }
+  }
+}
diff --git a/benchmarks/fengari/package.json b/benchmarks/fengari/package.json
new file mode 100644
index 0000000..b91aae6
--- /dev/null
+++ b/benchmarks/fengari/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "fengari",
+  "version": "1.0.0",
+  "description": "",
+  "type": "module",
+  "dependencies": {
+    "fengari": "=0.1.4"
+  },
+  "private": true
+}
diff --git a/benchmarks/wasm/Cargo.lock b/benchmarks/wasm/Cargo.lock
new file mode 100644
index 0000000..4dbc1e3
--- /dev/null
+++ b/benchmarks/wasm/Cargo.lock
@@ -0,0 +1,373 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "autocfg"
+version = "1.4.0"
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+
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+
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+ "serde",
+]
+
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+ "rustix",
+ "winsafe",
+]
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+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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+[[package]]
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diff --git a/benchmarks/wasm/Cargo.toml b/benchmarks/wasm/Cargo.toml
new file mode 100644
index 0000000..f109379
--- /dev/null
+++ b/benchmarks/wasm/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "wasm"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+mlua = { version = "=0.10.3", features = ["lua53", "vendored"] }
diff --git a/benchmarks/wasm/build.rs b/benchmarks/wasm/build.rs
new file mode 100644
index 0000000..6f856af
--- /dev/null
+++ b/benchmarks/wasm/build.rs
@@ -0,0 +1,25 @@
+use std::env;
+use std::path::PathBuf;
+
+fn main() {
+    let out_dir = env::var("OUT_DIR").unwrap();
+    let pkg_name = env::var("CARGO_PKG_NAME").unwrap();
+    let target_path = PathBuf::from(out_dir)
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .to_path_buf();
+
+    println!("cargo:rustc-link-arg=-sEXPORTED_RUNTIME_METHODS=['ccall','setValue','stringToUTF8']");
+    println!("cargo:rustc-link-arg=-sEXPORTED_FUNCTIONS=['_execute','_malloc','_free']");
+    println!("cargo:rustc-link-arg=-sEXPORT_ES6=1");
+    println!("cargo:rustc-link-arg=-sERROR_ON_UNDEFINED_SYMBOLS=0");
+    println!("cargo:rustc-link-arg=--no-entry");
+    println!(
+        "cargo:rustc-link-arg=-o{}.js",
+        target_path.join(pkg_name).to_string_lossy()
+    );
+}
diff --git a/benchmarks/wasm/main.js b/benchmarks/wasm/main.js
new file mode 100644
index 0000000..8ea48a3
--- /dev/null
+++ b/benchmarks/wasm/main.js
@@ -0,0 +1,32 @@
+if (process.argv.length < 3) {
+    console.error('Invalid number of arguments');
+    process.exit(1);
+}
+
+const program = process.argv[2];
+const args = process.argv.slice(3);
+
+const wasm = await import('./target/wasm32-unknown-emscripten/release/wasm.js');
+const module = {
+    print: (str) => console.log(str),
+    printErr: (str) => console.error(str),
+}
+
+const Module = await wasm.default(module);
+
+// allocate strings to be able to pass them
+const arg_pointers = args.map(a => {
+    const arg_pointer = Module._malloc(a.length + 1); // +1 for \0
+    Module.stringToUTF8(a, arg_pointer, a.length + 1);
+    return arg_pointer;
+})
+const args_pointer = Module._malloc(args.length * 4); // 4 bytes for each pointer
+arg_pointers.forEach((pointer, i) => {
+    Module.setValue(args_pointer + i * 4, pointer, 'i32')
+});
+
+Module.ccall('execute', null, ['string', 'number', 'array'], [program, args.length, arg_pointers])
+
+// free allocated strings
+arg_pointers.forEach(pointer => Module._free(pointer))
+Module._free(arg_pointers)
diff --git a/benchmarks/wasm/src/lib.rs b/benchmarks/wasm/src/lib.rs
new file mode 100644
index 0000000..61fe43f
--- /dev/null
+++ b/benchmarks/wasm/src/lib.rs
@@ -0,0 +1,25 @@
+#![warn(clippy::missing_safety_doc)]
+
+use mlua::Lua;
+use std::ffi::{c_char, c_int, CStr};
+
+#[no_mangle]
+pub unsafe extern "C" fn execute(program: *const c_char, argc: c_int, argv: *const *const c_char) {
+    let lua = Lua::new();
+    let lua_globals = lua.globals();
+
+    // set 'arg' (argv) value, this allows to manipulate the behavior of the scripts
+    let arg = lua.create_table().unwrap();
+    arg.set(-1, "mlua").unwrap();
+    arg.set(0, "execute").unwrap();
+    for i in 0..argc {
+        let argv_arg = CStr::from_ptr(*argv.offset(i as isize));
+        arg.push(argv_arg.to_str().unwrap()).unwrap();
+    }
+    lua_globals.set("arg", arg).unwrap();
+
+    let exec = CStr::from_ptr(program).to_str().unwrap();
+    if let Err(err) = lua.load(exec).exec() {
+        eprintln!("{}", err)
+    }
+}