| Time |
Nick |
Message |
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| 16:23 |
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| 18:02 |
sfan5 |
added testing code to #15531 |
| 18:02 |
ShadowBot |
https://github.com/minetest/minetest/issues/15531 -- [no squash] Group sparse mesh buffers over entire scene for rendering by sfan5 |
| 18:22 |
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| 18:49 |
sfan5 |
std::vector<S3DVertex> does some inefficient things when inserting :( |
| 18:52 |
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| 18:52 |
Krock |
yes. it's a constant realloc if you're appending without planning beforehand |
| 18:54 |
sfan5 |
not that |
| 18:55 |
sfan5 |
since S3DVertex is not a trivial type (has a default constructor) it uses a for-loop copy instead of invoking memcpy |
| 18:55 |
sfan5 |
and apparently the compiler can't turn that into a memcpy either |
| 18:56 |
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| 18:57 |
sfan5 |
(memcpy is typically SSE/AVX optimized) |
| 19:06 |
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| 19:13 |
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| 19:15 |
sfan5 |
however that's not a difference in practice on my machine at least |
| 19:15 |
sfan5 |
waste of time to investigate this further |
| 19:17 |
Krock |
sfan5: did you know? 99% of all opimizations were stopped before the next major breakthrough? https://i.kym-cdn.com/photos/images/newsfeed/002/244/642/a5f.jpg |
| 19:17 |
Krock |
(this is satire, if that wasn't already obvious) |
| 19:20 |
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imi joined #minetest-dev |
| 19:36 |
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| 20:21 |
sfan5 |
merging #15523, #15521, #15472 in 10m |
| 20:21 |
ShadowBot |
https://github.com/minetest/minetest/issues/15523 -- [no sq] Don't recalculate meshnode normals unnecessarily by sfan5 |
| 20:21 |
ShadowBot |
https://github.com/minetest/minetest/issues/15521 -- [no squash] VoxelArea fixes v2 by sfan5 |
| 20:21 |
ShadowBot |
https://github.com/minetest/minetest/issues/15472 -- Use openssl's sha1 and sha256, optionally by Desour |
| 20:42 |
Krock |
hmm. the OpenSSL functions could also be loaded during runtime without linking. But I suppose that would be rather messy to get to work cross-platform. |
| 20:52 |
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