Move benchmark deps to separate place & create usage memo

benchmark/README.md

@@ -0,0 +1,24 @@
+# Dev sandbox
+
+Helpers to measure performance & create benchmarks.
+
+
+## Setup
+
+```sh
+npm i
+```
+
+
+## Benchmarking
+
+```sh
+./benchmark.js
+```
+
+## Profiling
+
+```sh
+node --prof profile.js
+node --prof-process isolate-0xnnnnnnnnnnnn-v8.log
+```

benchmark/package.json

@@ -0,0 +1,9 @@
+{
+  "private": true,
+  "version": "0.0.0",
+  "dependencies": {
+    "ansi": "^0.3.1",
+    "benchmark": "^2.1.4",
+    "zlibjs": "^0.3.1"
+  }
+}

package.json

@@ -28,8 +28,6 @@
     "test": "make test"
   },
   "devDependencies": {
-    "ansi": "^0.3.1",
-    "benchmark": "^2.1.4",
     "browserify": "^16.2.3",
     "buffer-from": "^1.1.1",
     "eslint": "^5.9.0",
@@ -37,8 +35,7 @@
     "mocha": "^5.2.0",
     "multiparty": "^4.1.3",
     "ndoc": "^5.0.1",
-    "uglify-js": "=3.4.8",
-    "zlibjs": "^0.3.1"
+    "uglify-js": "=3.4.8"
   },
   "dependencies": {}
 }