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Resolve basic keys in Cython and lower per-call overhead (part 2/4 of #744) - #747

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FabianIsensee wants to merge 9 commits into

FabianIsensee:split-index

Open

Resolve basic keys in Cython and lower per-call overhead (part 2/4 of #744)#747
FabianIsensee wants to merge 9 commits into
Blosc:mainfrom
FabianIsensee:split-index

Commits on Nov 4, 2026
- Release the GIL in NDArray slice reads
  
  FabianIsensee
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  claude
  committed
  09e7a47
- Make GIL-free slice reads safe around fork, exit and lazy expressions
  
  FabianIsensee
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  claude
  committed
  ddd70de
- Fix crashes with frame-backed operands in miniexpr and matmul
  
  FabianIsensee
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  claude
  committed
  8fee90b
- Make the general NDArray.__getitem__ path accept the keys NumPy accepts
  
  FabianIsensee
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  claude
  committed
  0677313
- Fix SChunk.update_special(), failed data writes and decompress_chunk()
  
  FabianIsensee
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  claude
  committed
  4301191
- Clip the last chunk when collecting the True positions of a bool mask
  
  FabianIsensee
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  claude
  committed
  6abf3f6
- Start blosc2.nthreads from BLOSC_NTHREADS and keep NUMEXPR_NUM_THREADS
  
  FabianIsensee
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  claude
  committed
  8ed4a48
- Resolve basic keys of NDArray.__getitem__/__setitem__ in Cython
  
  FabianIsensee
  and
  claude
  committed
  7d75617
- Lower the per-call overhead of creating arrays and of small writes
  
  FabianIsensee
  and
  claude
  committed
  c7a5627