{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "In [previous](https://the-fonz.gitlab.io/posts/array-databases/) [posts](https://the-fonz.gitlab.io/posts/interpolation/) we explored how to work efficiently with [xarray](xarray.pydata.org/) and geospatial meteorological data, and while it would be possible to throw in extra adjectives to make that sound even more impressive, let's focus on the storage of this data.\n", "\n", "\n", "\n", "[Zarr](xarray.pydata.org/) is a relatively new storage format for multidimensional array data that puts every \"array chunk\" in a separate file/blob, allowing many different encoding/compression schemes within that blob while giving up random reads, which is fine as for (cloud) blob storage the latency overhead of getting a blob is relatively high, but bandwidth high as well so better just download the whole blob in one go. For google's cloud storage, these prices can be expected:\n", "\n", "| Storage type | Price [$/GB/month] | Retrieval cost [GB] |\n", "|---|---|---|\n", "| [Standard](https://cloud.google.com/storage/docs/storage-classes#standard) | .02 | 0 |\n", "| [Nearline](https://cloud.google.com/storage/docs/storage-classes#nearline) | .01 | 0.01 |\n", "| [Coldline](https://cloud.google.com/storage/docs/storage-classes#coldline) | .004 | 0.02 |\n", "| [Archive](https://cloud.google.com/storage/docs/storage-classes#archive) | .0012 | 0.05 |\n", "\n", "Please note that these prices are approximate and may vary by region and may become cheaper over time (I remember standard storage costing .026 \\\\$/GB/month not too long ago, can still see that price in some examples). Minimum storage duration is 30 days for nearline and 90 days for coldline, and there is a small cost for operations (delete/move etc) but that is usually negligible. Availability SLAs are also best for standard storage and go down a bit for the cold storage classes. Also, I assume the data is used mostly in gcloud datacenters, as egress cost of ~.10 \\\\$/GB will quickly eclipse any storage cost.\n", "\n", "From the table above, it's easy to deduct that nearline storage is cheaper than standard when downloaded less than once a month, while coldline is cheaper when downloaded at most once every 1.5 months, and archive at most once every 3 months. It can be a nice trick to set a lifecycle policy on a cloud storage bucket that moves objects to nearline after 1 month.\n", "\n", "This compares to about .05 \\\\$/GB/month for block storage on HDDs, up to .17 \\\\$/GB/month for block storage on SSDs, so blob storage is at least 2.5x cheaper. Also, it's difficult to mount block storage for concurrent reading/writing as one would need compute on top of the storage that runs something like NFS which allows connection over the network. This shows why it's so important to have good support for blob storage in file formats for storing huge amounts of numeric array data.\n", "\n", "I want to know what the best preprocessing steps (quantization?) are, what the compresson algorithm is with the best tradeoff of speed/compression, and if byte shuffling yields significant benefits.\n", "\n", "## The data\n", "We use ERA5 again as it's a representative set of meteo data, but this time downloaded from the awesome Pangeo cloud storage buckets. Make sure you use a gcloud account with billing enabled, as it's requester-pays on these buckets. See [the instructions here](https://catalog.pangeo.io/browse/master/atmosphere/era5_hourly_reanalysis_single_levels_sa/)." ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "!pip install -q intake intake-xarray gcsfs" ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [], "source": [ "import os\n", "import tempfile\n", "from datetime import datetime\n", "from time import time\n", "from pathlib import Path\n", "\n", "import numpy as np\n", "from intake import open_catalog\n", "from itertools import permutations\n", "import matplotlib.pyplot as plt\n", "from numcodecs import blosc\n", "from zarr.codecs import Blosc\n", "# Use nice seaborn mpl theme\n", "import seaborn as sns\n", "sns.set_theme()\n", "\n", "# Make fair comparisons with compression algorithms later (some use multiple threads by default)\n", "blosc.set_nthreads(1);" ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [ { "data": { "text/html": [ "
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" [[ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
"...\n",
" [0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" [0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" [0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ]],\n",
"\n",
" [[4.9999847, 4.9999847, 4.9999847, ..., 4.9999847, 4.9999847,\n",
" 4.9999847],\n",
" [4.9999847, 4.9999847, 4.9999847, ..., 4.9999847, 4.9999847,\n",
" 4.9999847],\n",
" [4.9999847, 4.9999847, 4.9999847, ..., 4.9999847, 4.9999847,\n",
" 4.9999847],\n",
" ...,\n",
" [0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" [0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" [0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ]]], dtype=float32)array([[[nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" ...,\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan]],\n",
"\n",
" [[nan, nan, nan, ..., nan, nan, nan],\n",
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" [nan, nan, nan, ..., nan, nan, nan],\n",
" ...,\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
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"\n",
" [[nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" ...,\n",
"...\n",
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" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.]]], dtype=float32)array([[[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
"...\n",
" ...,\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.],\n",
" [10., 10., 10., ..., 10., 10., 10.]]], dtype=float32)array([[[nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" ...,\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan]],\n",
"\n",
" [[nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" ...,\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan]],\n",
"\n",
" [[nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" [nan, nan, nan, ..., nan, nan, nan],\n",
" ...,\n",
"...\n",
" ...,\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.],\n",
" [ 0., 0., 0., ..., 0., 0., 0.]]], dtype=float32)array([[[ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" ...,\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan]],\n",
"\n",
" [[ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
" [ nan, nan, nan, ..., nan, nan,\n",
" nan],\n",
"...\n",
" [265663.88, 265727.25, 265727.25, ..., 265600.38, 265663.88,\n",
" 265663.88],\n",
" [267249.75, 267249.75, 267249.75, ..., 267186.25, 267186.25,\n",
" 267186.25],\n",
" [269025.88, 269025.88, 269025.88, ..., 269025.88, 269025.88,\n",
" 269025.88]],\n",
"\n",
" [[ 0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" [ 0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" [ 0. , 0. , 0. , ..., 0. , 0. ,\n",
" 0. ],\n",
" ...,\n",
" [267186.25, 267186.25, 267249.75, ..., 267059.38, 267122.88,\n",
" 267122.88],\n",
" [267757.25, 267757.25, 267757.25, ..., 267693.75, 267693.75,\n",
" 267757.25],\n",
" [268708.75, 268708.75, 268708.75, ..., 268708.75, 268708.75,\n",
" 268708.75]]], dtype=float32)array([[[244.07776, 244.07776, 244.07776, ..., 244.07776, 244.07776,\n",
" 244.07776],\n",
" [244.01335, 244.01166, 244.00996, ..., 244.01675, 244.01505,\n",
" 244.01335],\n",
" [243.72865, 243.72357, 243.72018, ..., 243.73544, 243.73373,\n",
" 243.73206],\n",
" ...,\n",
" [249.687 , 249.687 , 249.68869, ..., 249.6853 , 249.6853 ,\n",
" 249.687 ],\n",
" [249.59209, 249.59209, 249.59209, ..., 249.5887 , 249.5887 ,\n",
" 249.5887 ],\n",
" [249.28198, 249.28198, 249.28198, ..., 249.28198, 249.28198,\n",
" 249.28198]],\n",
"\n",
" [[244.27432, 244.27432, 244.27432, ..., 244.27432, 244.27432,\n",
" 244.27432],\n",
" [244.37093, 244.36923, 244.36754, ..., 244.37431, 244.37431,\n",
" 244.37093],\n",
" [244.13538, 244.13199, 244.12689, ..., 244.14384, 244.14046,\n",
" 244.13876],\n",
"...\n",
" [248.90407, 248.90576, 248.90576, ..., 248.90237, 248.90237,\n",
" 248.90407],\n",
" [248.80917, 248.80917, 248.80917, ..., 248.80748, 248.80917,\n",
" 248.80917],\n",
" [248.41263, 248.41263, 248.41263, ..., 248.41263, 248.41263,\n",
" 248.41263]],\n",
"\n",
" [[256.1622 , 256.1622 , 256.1622 , ..., 256.1622 , 256.1622 ,\n",
" 256.1622 ],\n",
" [256.05203, 256.05203, 256.05203, ..., 256.04697, 256.04697,\n",
" 256.05035],\n",
" [255.77751, 255.77751, 255.7809 , ..., 255.77074, 255.77412,\n",
" 255.77582],\n",
" ...,\n",
" [248.84645, 248.84645, 248.84645, ..., 248.84306, 248.84476,\n",
" 248.84476],\n",
" [248.8007 , 248.8007 , 248.8007 , ..., 248.79901, 248.8007 ,\n",
" 248.8007 ],\n",
" [248.47702, 248.47702, 248.47702, ..., 248.47702, 248.47702,\n",
" 248.47702]]], dtype=float32)array([[[1. , 1. , 1. , ..., 1. ,\n",
" 1. , 1. ],\n",
" [0.99749744, 0.99749744, 0.9974669 , ..., 0.9974669 ,\n",
" 0.9974669 , 0.99749744],\n",
" [0.98043734, 0.98046786, 0.98046786, ..., 0.9804984 ,\n",
" 0.98046786, 0.98046786],\n",
" ...,\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ],\n",
" [0.07873896, 0.07867792, 0.0786474 , ..., 0.07861689,\n",
" 0.0786474 , 0.07867792],\n",
" [0.195001 , 0.195001 , 0.195001 , ..., 0.195001 ,\n",
" 0.195001 , 0.195001 ]],\n",
"\n",
" [[0.98501515, 0.98501515, 0.98501515, ..., 0.98501515,\n",
" 0.98501515, 0.98501515],\n",
" [1. , 1. , 1. , ..., 1. ,\n",
" 1. , 1. ],\n",
" [1. , 1. , 1. , ..., 1. ,\n",
" 1. , 1. ],\n",
"...\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ],\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ],\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ]],\n",
"\n",
" [[1. , 1. , 1. , ..., 1. ,\n",
" 1. , 1. ],\n",
" [0.9987487 , 0.9988403 , 0.9989013 , ..., 0.99899286,\n",
" 0.9989013 , 0.9988403 ],\n",
" [0.9902034 , 0.9902034 , 0.99032545, ..., 0.99050856,\n",
" 0.99032545, 0.9902034 ],\n",
" ...,\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ],\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ],\n",
" [0. , 0. , 0. , ..., 0. ,\n",
" 0. , 0. ]]], dtype=float32)array([[[0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
"...\n",
" ...,\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.]],\n",
"\n",
" [[0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" ...,\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.],\n",
" [0., 0., 0., ..., 0., 0., 0.]]], dtype=float32)array([[[ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" ...,\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan]],\n",
"\n",
" [[ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
" [ nan, nan, nan, ...,\n",
" nan, nan, nan],\n",
"...\n",
" [0.0000000e+00, 0.0000000e+00, 0.0000000e+00, ...,\n",
" 0.0000000e+00, 0.0000000e+00, 0.0000000e+00],\n",
" [0.0000000e+00, 0.0000000e+00, 0.0000000e+00, ...,\n",
" 0.0000000e+00, 0.0000000e+00, 0.0000000e+00],\n",
" [0.0000000e+00, 0.0000000e+00, 0.0000000e+00, ...,\n",
" 0.0000000e+00, 0.0000000e+00, 0.0000000e+00]],\n",
"\n",
" [[5.2340329e-05, 5.2340329e-05, 5.2340329e-05, ...,\n",
" 5.2340329e-05, 5.2340329e-05, 5.2340329e-05],\n",
" [8.1703067e-05, 8.1703067e-05, 8.1703067e-05, ...,\n",
" 8.2980841e-05, 8.2980841e-05, 8.2980841e-05],\n",
" [1.2765825e-04, 1.2765825e-04, 1.2765825e-04, ...,\n",
" 1.2893602e-04, 1.2893602e-04, 1.2893602e-04],\n",
" ...,\n",
" [0.0000000e+00, 0.0000000e+00, 0.0000000e+00, ...,\n",
" 0.0000000e+00, 0.0000000e+00, 0.0000000e+00],\n",
" [0.0000000e+00, 0.0000000e+00, 0.0000000e+00, ...,\n",
" 0.0000000e+00, 0.0000000e+00, 0.0000000e+00],\n",
" [0.0000000e+00, 0.0000000e+00, 0.0000000e+00, ...,\n",
" 0.0000000e+00, 0.0000000e+00, 0.0000000e+00]]], dtype=float32)array([[[245.32692, 245.32692, 245.32692, ..., 245.32692, 245.32692,\n",
" 245.32692],\n",
" [245.93839, 245.9368 , 245.9368 , ..., 245.9368 , 245.93839,\n",
" 245.93839],\n",
" [246.04855, 246.04376, 246.04216, ..., 246.04855, 246.05016,\n",
" 246.04855],\n",
" ...,\n",
" [247.34654, 247.34973, 247.34973, ..., 247.34334, 247.34494,\n",
" 247.34654],\n",
" [247.23318, 247.23318, 247.23318, ..., 247.23158, 247.23158,\n",
" 247.23158],\n",
" [246.87875, 246.87875, 246.87875, ..., 246.87875, 246.87875,\n",
" 246.87875]],\n",
"\n",
" [[245.31894, 245.31894, 245.31894, ..., 245.31894, 245.31894,\n",
" 245.31894],\n",
" [246.01183, 246.01024, 246.01024, ..., 246.01024, 246.01024,\n",
" 246.01024],\n",
" [246.12039, 246.1172 , 246.1156 , ..., 246.12039, 246.12039,\n",
" 246.12039],\n",
"...\n",
" [246.88673, 246.88834, 246.88834, ..., 246.88354, 246.88354,\n",
" 246.88673],\n",
" [246.68877, 246.68877, 246.68877, ..., 246.68716, 246.68716,\n",
" 246.68877],\n",
" [246.2976 , 246.2976 , 246.2976 , ..., 246.2976 , 246.2976 ,\n",
" 246.2976 ]],\n",
"\n",
" [[255.04984, 255.04984, 255.04984, ..., 255.04984, 255.04984,\n",
" 255.04984],\n",
" [255.47292, 255.47292, 255.47452, ..., 255.46652, 255.46973,\n",
" 255.47131],\n",
" [255.45375, 255.45375, 255.45375, ..., 255.44098, 255.44737,\n",
" 255.44896],\n",
" ...,\n",
" [246.87875, 246.88194, 246.88194, ..., 246.87715, 246.87875,\n",
" 246.87875],\n",
" [246.68398, 246.68398, 246.68558, ..., 246.68237, 246.68237,\n",
" 246.68398],\n",
" [246.29123, 246.29123, 246.29123, ..., 246.29123, 246.29123,\n",
" 246.29123]]], dtype=float32)array([[[ 0.01948136, 0.01948136, 0.01948136, ..., 0.01948136,\n",
" 0.01948136, 0.01948136],\n",
" [-5.008356 , -5.020882 , -5.0334086 , ..., -4.956324 ,\n",
" -4.974632 , -4.991012 ],\n",
" [-6.4324927 , -6.4498367 , -6.4700713 , ..., -6.3486633 ,\n",
" -6.3833513 , -6.4112945 ],\n",
" ...,\n",
" [-1.6031477 , -1.589658 , -1.5674961 , ..., -1.6542163 ,\n",
" -1.6320544 , -1.6147103 ],\n",
" [-0.9479293 , -0.93443954, -0.92094976, ..., -0.98069024,\n",
" -0.9700911 , -0.95852846],\n",
" [ 0.5532916 , 0.5532916 , 0.5532916 , ..., 0.5532916 ,\n",
" 0.5532916 , 0.5532916 ]],\n",
"\n",
" [[ 0.11969125, 0.11969125, 0.11969125, ..., 0.11969125,\n",
" 0.11969125, 0.11969125],\n",
" [-3.1573644 , -3.1718178 , -3.184344 , ..., -3.1072595 ,\n",
" -3.1236398 , -3.1409838 ],\n",
" [-4.5969176 , -4.6152253 , -4.637387 , ..., -4.513088 ,\n",
" -4.547776 , -4.5757194 ],\n",
"...\n",
" [-4.3512106 , -4.3396482 , -4.3232675 , ..., -4.3858986 ,\n",
" -4.371445 , -4.359883 ],\n",
" [-3.7788582 , -3.7682593 , -3.7576602 , ..., -3.8010201 ,\n",
" -3.7942753 , -3.7875302 ],\n",
" [ 0.5475103 , 0.5475103 , 0.5475103 , ..., 0.5475103 ,\n",
" 0.5475103 , 0.5475103 ]],\n",
"\n",
" [[ 0.14378011, 0.14378011, 0.14378011, ..., 0.14378011,\n",
" 0.14378011, 0.14378011],\n",
" [ 7.647958 , 7.6209784 , 7.593999 , ..., 7.7154074 ,\n",
" 7.693245 , 7.6701202 ],\n",
" [ 8.090231 , 8.057469 , 8.012182 , ..., 8.202967 ,\n",
" 8.158643 , 8.121064 ],\n",
" ...,\n",
" [-4.363737 , -4.3512106 , -4.332903 , ..., -4.4013157 ,\n",
" -4.3858986 , -4.3733726 ],\n",
" [-3.7856033 , -3.7740405 , -3.7634413 , ..., -3.8096921 ,\n",
" -3.8019836 , -3.7933116 ],\n",
" [ 0.52920276, 0.52920276, 0.52920276, ..., 0.52920276,\n",
" 0.52920276, 0.52920276]]], dtype=float32)array([[[ -0.02454072, -0.02454072, -0.02454072, ..., -0.02454072,\n",
" -0.02454072, -0.02454072],\n",
" [ -6.981851 , -6.967335 , -6.951966 , ..., -7.015152 ,\n",
" -7.0040517 , -6.9929514 ],\n",
" [ -7.251673 , -7.232034 , -7.206418 , ..., -7.308882 ,\n",
" -7.2875357 , -7.2678967 ],\n",
" ...,\n",
" [ -5.6284714 , -5.636156 , -5.645549 , ..., -5.591755 ,\n",
" -5.606271 , -5.619079 ],\n",
" [ -5.607979 , -5.613102 , -5.618225 , ..., -5.585778 ,\n",
" -5.593463 , -5.6011477 ],\n",
" [ 0.1744104 , 0.1744104 , 0.1744104 , ..., 0.1744104 ,\n",
" 0.1744104 , 0.1744104 ]],\n",
"\n",
" [[ 0.03181452, 0.03181452, 0.03181452, ..., 0.03181452,\n",
" 0.03181452, 0.03181452],\n",
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