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Performance & internals
Format interop

Reference

API reference

Development

UX series
colstore Performance Optimization Series: Reference Summary
Round 1 — Stages 1–6
Round 2 — Stages 7–12
Round 3 — Defaults, placement validation, and filesystem portability
Round 4 — Read-path Python offloads
Round 5 — Edit-path mask routing and cache-resident streaming
Round 6 — Overlapping the streaming write with compute
Round 7 — One gather, layout specializations, and the bandwidth-bound frontier
Net effect
Rejected alternatives (do not re-propose without new evidence)
Open / deferred items (recorded reasons)
Gather diagnostics
Valgrind leak checking

colstore.FormatError¶

exception colstore.FormatError[source]¶

Bases: Exception

Raised when a file does not match the expected colstore format.

colstore.QueryError

colstore.use_passive_openmp_wait

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Last updated on 2026-07-15

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colstore.FormatError
- FormatError