rav1e_v6.6_vs_v7.ipynb

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    "%matplotlib inline\n",
    "%config InlineBackend.figure_format = 'retina'\n",
    "\n",
    "import seaborn as sns\n",
    "import struct\n",
    "import numpy as np\n",
    "import matplotlib.pyplot as plt\n",
    "\n",
    "sns.set(style=\"darkgrid\", context=\"talk\")\n",
    "plt.style.use(\"dark_background\")\n",
    "plt.rcParams.update({\"grid.linewidth\":0.5, \"grid.alpha\":0.5})"
   ]
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   "cell_type": "code",
   "execution_count": null,
   "id": "db394633-c140-4a54-8aae-2aebd966f8e5",
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   "source": [
    "v6_6 = np.array([\n",
    "    [1 +12.8958, 1 - .127002],\n",
    "    [1 + 2.8195, 1 - .118419],\n",
    "    [1 + 1.2497, 1 - .084560],\n",
    "    [1 +  .6296, 1 - .067793],\n",
    "    [1 +  .3479, 1 - .044871],\n",
    "    [1 +  .2918, 1 - .036907],\n",
    "    [1         , 1          ],\n",
    "    [1 -  .0085, 1 + .008098],\n",
    "    [1 -  .3296, 1 + .054494],\n",
    "    [1 -  .3561, 1 + .194278],\n",
    "    [1 -  .5403, 1 + .509521],\n",
    "])\n",
    "\n",
    "v7 = np.array([\n",
    "    [1 + 8.8559, 1 - .125922],\n",
    "    [1 + 5.3445, 1 - .118419],\n",
    "    [1 + 2.2441, 1 - .084560],\n",
    "    [1 +  .9837, 1 - .067793],\n",
    "    [1 +  .4504, 1 - .044871],\n",
    "    [1 +  .3202, 1 - .036907],\n",
    "    [1         , 1          ],\n",
    "    [1 -  .0397, 1 + .008098],\n",
    "    [1 -  .2107, 1 + .054494],\n",
    "    [1 -  .4363, 1 + .194278],\n",
    "    [1 -  .5974, 1 + .509521],\n",
    "])\n",
    "\n",
    "relspeed = np.array([3.58, 1.46, 1.48, 1.57, 1.58, 1.65, 1.60, 1.65, 1.54, 1.63, 1.51])\n",
    "\n",
    "v7.T[0] = v6_6.T[0] / relspeed\n",
    "v7.T[1] / v7[6,1] - 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "0915f6c8",
   "metadata": {},
   "outputs": [],
   "source": [
    "fig, ax = plt.subplots(figsize=(16, 9))\n",
    "ax.plot(*v6_6.T, 's-', label='v0.6.6 (aarch64)')\n",
    "ax.plot(*v7.T, 'D-', label='v0.7.0 (aarch64)')\n",
    "for i in range(11):\n",
    "    ax.annotate(i, v6_6[i], v6_6[i] + .01)\n",
    "    ax.annotate(i, v7[i], v7[i] + .01)\n",
    "\n",
    "ax.set_xlabel('⟵ Faster\\nRelative time')\n",
    "ax.set_ylabel('Relative bitrate\\n⟵ Smaller')\n",
    "plt.legend();"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "2cdf3a5e",
   "metadata": {},
   "outputs": [],
   "source": [
    "fig, ax = plt.subplots(figsize=(16, 9))\n",
    "ax.plot(*(1 / v6_6).T, 's-', label='v0.6.6 (aarch64)')\n",
    "ax.plot(*(1 / v7).T, 'D-', label='v0.7.0 (aarch64)')\n",
    "for i in range(11):\n",
    "    ax.annotate(i, (1 / v6_6)[i], (1 / v6_6)[i] - .023)\n",
    "    ax.annotate(i, (1 / v7)[i], (1 / v7)[i] + .01)\n",
    "\n",
    "ax.set_xlabel('Faster ⟶\\nRelative speed')\n",
    "ax.set_ylabel('Relative compression\\nSmaller ⟶')\n",
    "plt.legend();"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "631fe7e0-3215-426b-9e99-ad19b458c0ed",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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