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Nodes: Update of nodes topology cache more parallel #107686

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Iliya Katushenock wants to merge 8 commits from mod_moder/blender:tmp_more_parallel_node_topology_cache into main
pull from: mod_moder/blender:tmp_more_parallel_node_topology_cache
merge into: blender:main

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Conversation 1 Commits 8 Files Changed 1 +33 -28
Iliya Katushenock commented 2023-05-06 19:26:48 +02:00
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Topology cache updating can be split in parts:

  1. Cache, based only on a dna data from node tree.
  2. Cache, based on other cache.

This mean, first type of cache have to be updated previously than last one.
Like last type, first one is internally independent and can be parallel.

This pull request change some implementations of function of first type
of cache to make it independent of cache, but only for dna data.

Some approximate figures for improvement (for 65 nodes ~) 56167 ns -> 36067 ns.

Results of editing ETK_Sort Attribute node group in attached file (Created by Erindale).
I just open this node tree and edit something in this, add node, connect something, parent to frame, ...

Topology cache updating can be split in parts: 1. Cache, based only on a dna data from node tree. 2. Cache, based on other cache. This mean, first type of cache have to be updated previously than last one. Like last type, first one is internally independent and can be parallel. This pull request change some implementations of function of first type of cache to make it independent of cache, but only for dna data. Some approximate figures for improvement (for 65 nodes ~) 56167 ns -> 36067 ns. Results of editing `ETK_Sort Attribute` node group in attached file (Created by Erindale). _I just open this node tree and edit something in this, add node, connect something, parent to frame, ..._
sort_and_tilt2.blend
1.4 MiB
console from benchmark.txt
15 KiB
Iliya Katushenock added 1 commit 2023-05-06 19:26:53 +02:00
Iliya Katushenock added this to the Nodes & Physics project 2023-05-06 19:27:06 +02:00
Iliya Katushenock requested review from Hans Goudey 2023-05-06 19:27:21 +02:00
Iliya Katushenock added 1 commit 2023-05-06 19:44:33 +02:00
Iliya Katushenock changed title from Nodes: More parallel topology cache update for nodes to Nodes: More parallel topology cache updating for nodes 2023-05-06 23:06:05 +02:00
Iliya Katushenock changed title from Nodes: More parallel topology cache updating for nodes to Nodes: Update of nodes topology cache more parallel 2023-05-06 23:07:40 +02:00
Iliya Katushenock added 1 commit 2023-05-06 23:12:02 +02:00
Hans Goudey commented 2023-05-07 00:48:14 +02:00
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Seems reasonable to me! Some absolute performance numbers (i.e. in milliseconds would be nice too).
It's mostly guesswork I suppose, but a cutoff a bit higher than 32 might be good, there's not too much work happening here. Maybe 64 or 128?

Seems reasonable to me! Some absolute performance numbers (i.e. in milliseconds would be nice too). It's mostly guesswork I suppose, but a cutoff a bit higher than 32 might be good, there's not _too_ much work happening here. Maybe 64 or 128?
Iliya Katushenock added 1 commit 2023-05-07 01:48:19 +02:00
Iliya Katushenock added 1 commit 2023-05-19 19:37:01 +02:00
Iliya Katushenock added 3 commits 2023-06-24 19:25:58 +02:00
Hans Goudey reviewed 2024-01-30 04:46:18 +01:00
Hans Goudey left a comment
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I guess this doesn't seem worth the downside of using the linked list macros more too me. Even if it's slightly more parallel, it's not expensive code. I don't have a strong opinion, but yeah, to me it doesn't feel so worth it.

I guess this doesn't seem worth the downside of using the linked list macros more too me. Even if it's slightly more parallel, it's not expensive code. I don't have a strong opinion, but yeah, to me it doesn't feel so worth it.
This pull request has changes conflicting with the target branch.
  • source/blender/blenkernel/intern/node_runtime.cc
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From your project repository, check out a new branch and test the changes.
git fetch -u tmp_more_parallel_node_topology_cache:mod_moder-tmp_more_parallel_node_topology_cache
git checkout mod_moder-tmp_more_parallel_node_topology_cache
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