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Various performance optimization in 3D compression
- #252
#252
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shaomeng
merged 8 commits into
NCAR:main
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Mar 15, 2026
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Various performance optimization in 3D compression
#252
shaomeng
merged 8 commits into
NCAR:main
NCAR/SPERR:main
from
shaomeng:main
shaomeng/SPERR:main
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Commits
Commits on Mar 12, 2026
remove the use of a specialized AVX2 function sperr::any_ge_pow2(). It doesn't show much benefit because the vast majority arrays to evaluate are quite small.
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Commits on Mar 14, 2026
also remove the unit test for sperr::any_ge_pow2()
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remove the use of std::remainder(), big performance win
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misc
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Commits on Mar 15, 2026
keep MSB in m_morton_buf so that each value only takes 1 byte
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misc
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another net improvement by batching all refinements together in 3D encoding step
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change the definition of Set3D, and store the morton index as a plain uint64_t. It provides performance gain actually!
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