## Benchmarks

Here we compare data loading speeds using a `TorchDataset` against HDF5 loading with different compressions.

### CQ500 Summary on @xeTaiz's PC (Ryzen 3700X, old slow HDD)
```eval_rst
+---------------+--------------+----------+------------+
| Dataset Type  | Average Time | Max Time | Total Time |
+===============+==============+==========+============+
| TorchDataset  |    0.71s     |   1.95s  |   278.9s   |
+---------------+--------------+----------+------------+
| HDF5 Reopen   |    5.76s     |   13.5s  |   2276.3s  |
+---------------+--------------+----------+------------+
| HDF5 OpenOnce |    5.75s     |   13.0s  |   2271.3s  |
+---------------+--------------+----------+------------+
| HDF5 LZF      |    11.90s    |   47.04s |   4698.6s  |
+---------------+--------------+----------+------------+
| HDF5 GZIP     |    22.34s    |   98.55s |   8823.2s  |
+---------------+--------------+----------+------------+
```

#### CQ500 TorchDataset 395 examples
![CQ500 Results on Domes PC](images/benchmarks/cq500_torch.png)
\
Total Time: 278.9s
Average Time: 0.706s
Max Time: 1.948s

#### CQ500 H5Dataset 395 examples (Reopen file handle on `__getitem__`)
![CQ500 Results H5 Dome](images/benchmarks/cq500_hdf5_reopen.png)
\
Total Time: 2276.3s
Average Time: 5.76s
Max Time: 13.53s

#### CQ500 H5Dataset 395 examples (Open file once)
![CQ500 Results H5 Dome](images/benchmarks/cq500_hdf5_openonce.png)
Total Time: 2271.3s
Average Time: 5.75s
Max Time: 13.0s

#### CQ500 H5Dataset 395 Examples (LZF Compression)
![CQ500 Results H5 Dome](images/benchmarks/cq500_hdf5_lzf.png)
\
Total Time: 4698.6s
Average Time: 11.9s
Max Time: 47.0s

#### CQ500 H5Dataset 395 Examples (GZIP Compression)
![CQ500 Results H5 Dome](images/benchmarks/cq500_hdf5_gzip.png)
\
Total Time: 8823.2s
Average Time: 22.34s
Max Time: 98.55s