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Hot take PR: Use vlsvrs to read in compressed VDFs#430

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kstppd wants to merge 15 commits intofmihpc:masterfrom
kstppd:asterix_vlsvrs_vdfs
Open

Hot take PR: Use vlsvrs to read in compressed VDFs#430
kstppd wants to merge 15 commits intofmihpc:masterfrom
kstppd:asterix_vlsvrs_vdfs

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@kstppd
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@kstppd kstppd commented Feb 18, 2026

So this PR is a second attempt at reading in compressed VDFs produce by Asterix. In this attempt vlsvrs is used when VDFs are compressed. By default the supported methods
are :

  1. NONE
  2. OCTREE
  3. ZFP
  4. HERMITE

MLP and MLP_MULTI are supported however you need to have asterix installed on your machine and prior to pip install . you need to:
export MLP_COMPRESSION_DIR=/path/to/asterix/.so/files.

So in this case we have no python interfacing with any C/C++/CUDA libs since it is all done by vlsvrs.

@kstppd
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kstppd commented Feb 19, 2026

Apparently the test image CI test is supposed to fail right now so the PR looks good

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