{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "c40c06a2",
   "metadata": {},
   "source": [
    "# Performance measurements\n",
    "This notebook tries to push a number of frames to the browser as fast as posisble, using different parameters, and measures how fast it goes."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "fd3aa015",
   "metadata": {},
   "outputs": [],
   "source": [
    "import time\n",
    "import numpy as np\n",
    "from jupyter_rfb import RemoteFrameBuffer\n",
    "\n",
    "class PerformanceTester(RemoteFrameBuffer):\n",
    "    i = 0\n",
    "    n = 0\n",
    "    \n",
    "    def get_frame(self):\n",
    "        if self.i >= self.n:\n",
    "            return None\n",
    "        array = np.zeros((640, 480), np.uint8)\n",
    "        # array = np.random.uniform(0, 255, (640, 480)).astype(np.uint8)\n",
    "        array[:20,: int(array.shape[1] * (self.i + 1) / self.n)] = 255\n",
    "        self.i += 1\n",
    "        self.request_draw()  # keep going\n",
    "        return array\n",
    "\n",
    "    def run(self, n=100):\n",
    "        self.i = 0\n",
    "        self.n = n\n",
    "        self.request_draw()\n",
    "        \n",
    "w = PerformanceTester(css_height='100px')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6ea1d044",
   "metadata": {},
   "outputs": [],
   "source": [
    "w"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "cbc00754",
   "metadata": {},
   "outputs": [],
   "source": [
    "n = 50\n",
    "w.max_buffered_frames = 2\n",
    "w.reset_stats()\n",
    "w.run(n)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "4b7c7dd0",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Call this when it's done\n",
    "w.get_stats()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "c77e31a0",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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