Switch to pixi with multi-env support

[pavelzw]

No description provided.

[github-actions]

(benchmark 7744629437 / attempt 1)
Base results / Our results / Change

Model	Size	Dump Time	Load Time
sklearn rf 20M	23.4 MiB / 3.0 MiB / 7.67 x	0.01 s / 0.03 s / 2.21 x	0.02 s / 0.03 s / 1.40 x
sklearn rf 20M lzma	6.6 MiB / 2.0 MiB / 3.27 x	9.93 s / 0.84 s / 0.08 x	0.41 s / 0.15 s / 0.37 x
sklearn rf 200M	238.8 MiB / 30.8 MiB / 7.75 x	0.14 s / 0.23 s / 1.65 x	0.22 s / 0.37 s / 1.68 x
sklearn rf 200M lzma	48.0 MiB / 14.8 MiB / 3.24 x	74.39 s / 15.20 s / 0.20 x	3.17 s / 1.15 s / 0.36 x
sklearn rf 1G	1302.2 MiB / 168.0 MiB / 7.75 x	0.84 s / 1.20 s / 1.43 x	1.24 s / 1.94 s / 1.56 x
sklearn rf 1G lzma	259.6 MiB / 99.2 MiB / 2.62 x	384.49 s / 84.37 s / 0.22 x	16.19 s / 6.95 s / 0.43 x
sklearn gb 2M	2.5 MiB / 1.1 MiB / 2.16 x	0.03 s / 0.24 s / 7.69 x	0.03 s / 0.22 s / 6.42 x
sklearn gb 2M lzma	0.6 MiB / 0.2 MiB / 3.80 x	0.85 s / 0.41 s / 0.48 x	0.07 s / 0.29 s / 4.05 x
lgbm gbdt 2M	2.6 MiB / 1.0 MiB / 2.78 x	0.05 s / 0.18 s / 3.86 x	0.01 s / 0.09 s / 10.42 x
lgbm gbdt 2M lzma	0.9 MiB / 0.5 MiB / 1.90 x	1.18 s / 0.41 s / 0.35 x	0.06 s / 0.11 s / 1.96 x
lgbm gbdt 5M	5.3 MiB / 1.9 MiB / 2.81 x	0.09 s / 0.36 s / 3.78 x	0.02 s / 0.18 s / 10.51 x
lgbm gbdt 5M lzma	1.7 MiB / 0.8 MiB / 1.96 x	2.84 s / 0.82 s / 0.29 x	0.11 s / 0.23 s / 2.11 x
lgbm gbdt 20M	22.7 MiB / 7.6 MiB / 3.00 x	0.39 s / 1.51 s / 3.87 x	0.07 s / 0.75 s / 10.28 x
lgbm gbdt 20M lzma	6.3 MiB / 3.0 MiB / 2.09 x	17.25 s / 3.99 s / 0.23 x	0.44 s / 0.90 s / 2.06 x
lgbm gbdt 100M	101.1 MiB / 33.0 MiB / 3.06 x	1.87 s / 6.75 s / 3.61 x	0.39 s / 25.09 s / 65.17 x
lgbm gbdt 100M lzma	25.6 MiB / 10.6 MiB / 2.41 x	75.41 s / 16.33 s / 0.22 x	1.67 s / 3.79 s / 2.26 x
lgbm rf 10M	10.9 MiB / 3.2 MiB / 3.46 x	0.18 s / 0.42 s / 2.40 x	0.03 s / 0.27 s / 9.84 x
lgbm rf 10M lzma	0.7 MiB / 0.4 MiB / 1.86 x	1.35 s / 0.60 s / 0.44 x	0.08 s / 0.31 s / 3.80 x

[jonashaag]

Cool!