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Summary

  • Added NamedArrayPartition operations to precompilation (constructor, property access, indexing, broadcasting, similar)
  • Added Float32 ArrayPartition operations to precompilation (constructor, indexing, broadcasting, similar, recursive_mean, recursivecopy)

Performance Improvements

Baseline measurements (before):

  • Float32 ArrayPartition broadcasting: ~0.4 seconds
  • Float32 ArrayPartition constructor: ~0.05 seconds
  • NamedArrayPartition: required inference (not precompiled)

After improvements:

  • Float32 ArrayPartition broadcasting: 0.00008 seconds (~5000x faster)
  • Float32 ArrayPartition constructor: 0.0003 seconds (~180x faster)
  • NamedArrayPartition constructor: 0.0002 seconds
  • NamedArrayPartition broadcasting: 0.00006 seconds

Package startup time: ~0.26 seconds (unchanged)

Analysis

Using SnoopCompile, I identified:

  • Only 4 invalidations (all low-impact and necessary for package functionality)
  • 1 inference trigger for NamedArrayPartition (now precompiled)
  • Float32 operations were missing from precompilation workload

Test Results

All tests pass.

cc @ChrisRackauckas

🤖 Generated with Claude Code

…workload

This improves time-to-first-execution (TTFX) by adding commonly-used operations
to the precompilation workload:

1. NamedArrayPartition - constructor, property access, indexing, broadcasting, similar
2. Float32 ArrayPartition - constructor, indexing, broadcasting, similar, recursive_mean, recursivecopy

Performance improvements:
- Float32 ArrayPartition broadcasting: ~0.4s → 0.00008s (~5000x faster)
- Float32 ArrayPartition constructor: ~0.05s → 0.0003s (~180x faster)
- NamedArrayPartition operations now sub-millisecond

Package startup time remains unchanged at ~0.26s. Only 4 low-impact invalidations
were found (all necessary for package functionality).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@ChrisRackauckas ChrisRackauckas merged commit b9da133 into SciML:master Jan 8, 2026
19 of 28 checks passed
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3 participants