Forums Technical Discussion hou.hipFile.save very slow

hou.hipFile.save very slow

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erikcarlson
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25 posts
Joined: Dec. 2015
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Hi,
I'm running into an issue where running 
hou.hipFile.save(path)
is very slow (about 4 - 5 minutes).
I've tried both on a local and network file system and it doesn't really change, so I don't think it's a hardware issue.
I've also tried running performance monitor right before saving, but it doesn't seem to record what's happening during the save process.
The HOUDINI_BUFFEREDSAVE environment variable is set to 1.
len(hou.node('/').allSubChildren(recurse_in_locked_nodes=False))
is 634. Doesn't seem like a ridiculous number of nodes that would cause a lot of slowdown to me.
How else can I profile this?

Another thing I noticed is when I save as v001, it will take about 4 minutes, but if I save again as v002, it takes about 3 seconds, so this is leaving me scratching my head.

Currently testing with Houdini 20.0.688 on Windows 10.
Edited by erikcarlson - Oct. 14, 2024 21:49:35
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Enivob
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2628 posts
Joined: June 2008
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If you have any nodes locked with geometry, that could be what is slowing things down. Is your HIP file size huge?
Using Houdini Indie 20.0
Windows 11 64GB Ryzen 16 core.
nVidia 3050RTX 8BG RAM.
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