add speed benchmark script for method-4

scripts/bench-speed4.zsh

+#!/usr/bin/env zsh
+zmodload zsh/datetime # enable EPOCHREALTIME
+
+method4() {
+    local proj="$1"
+    local wasm="$2"
+    local size_bits="$3"
+    local size="$(($size_bits / 8))"
+
+    local out="./out/size-bench/dyn/$proj/$size_bits/$(basename "$wasm")"
+    mkdir -p "$(dirname "$out")"
+
+    local watermark="$(head -c "$size" /dev/random | base64 | head -c "$size")"
+
+    # warm up
+    kyuk -w "$watermark" -o "$out" "$wasm"
+    kyuk -w "$watermark" -o "$out" "$wasm"
+    kyuk -w "$watermark" -o "$out" "$wasm"
+
+    local times=100
+    local start="$EPOCHREALTIME"
+    for i in {1..$times}; do
+        kyuk -w "$watermark" -o "$out" "$wasm"
+    done
+    local end="$EPOCHREALTIME"
+    local duration_ms="$((($end - $start) * 1000 / $times))"
+
+    echo "$proj\t$size_bits\t$duration_ms"
+}
+
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 10
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 20
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 50
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 100
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 200
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 500
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 1000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 2000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 5000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 10000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 20000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 50000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 100000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 200000
+method4 "jq-web" "./node_modules/jq-web/jq.wasm.wasm" 500000
+
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 10
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 20
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 50
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 100
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 200
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 500
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 1000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 2000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 5000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 10000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 20000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 50000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 100000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 200000
+method4 "vim-wasm" "./node_modules/vim-wasm/vim.wasm" 500000