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Presize dense tag stores and seed span prototypes in bulk - #12926

Draft

dougqh wants to merge 18 commits into

dougqh/tagmap-split-storesfrom

dougqh/prototype-fast-path

Draft

Presize dense tag stores and seed span prototypes in bulk#12926
dougqh wants to merge 18 commits into
dougqh/tagmap-split-storesfrom
dougqh/prototype-fast-path

Commits on Oct 17, 2026
- Give the dense store's write paths one reference store
  
  dougqh
  and
  claude
  committed
  30aee55
- Presize a span's dense store from a per-operation sizing hint
  
  dougqh
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  claude
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  8c906a4
- Seed a span prototype's known tags in bulk
  
  dougqh
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  claude
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  44115d2
- Keep the sizing hint on the dense store, not the span
  
  dougqh
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  claude
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  8a0ab35
Commits on Oct 18, 2026
- Size prototype spans from hints cached on the prototype
  
  dougqh
  and
  claude
  committed
  ef5dadc
- Add singleSpanBuilder(SpanPrototype)
  
  dougqh
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  claude
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  8423cac
- Overwrite a prototype's known tags in bulk after start
  
  dougqh
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  claude
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  1b538a3
- Address techdebt and perf review findings
  
  dougqh
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  claude
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  94faf01
- Make the stores' forEach public and seed custom prototype tags from them
  
  dougqh
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  claude
  committed
  d25edde
Commits on Oct 19, 2026
- Merge tagmap-split-stores (master's #12882 slot coloring) into prototype-fast-path
  
  dougqh
  and
  claude
  committed
  7c4fbdc
- Merge tagmap-split-stores (contract tests) into prototype-fast-path
  
  dougqh
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  claude
  committed
  f79ebde
Commits on Oct 20, 2026
- Merge commit '24a64df710' into dougqh/prototype-fast-path
  dougqh
  committed
  a02601f
- Merge branch 'dougqh/tagmap-split-stores' into dougqh/prototype-fast-path
  dougqh
  committed
  619db97
- Merge branch 'dougqh/tagmap-split-stores' into dougqh/prototype-fast-path
  dougqh
  committed
  129b43e
- Merge branch 'dougqh/tagmap-split-stores' into dougqh/prototype-fast-path
  dougqh
  committed
  01b727d
- Turn the dense tag store on by default
  
  dougqh
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  claude
  committed
  0c628d3
Commits on Oct 21, 2026
- Merge branch 'dougqh/tagmap-split-stores' into dougqh/prototype-fast-path
  dougqh
  committed
  bc9e38d
- Feed the sizing hints in TraceShapeBenchmark, as serialization would
  
  dougqh
  and
  claude
  committed
  bc1f444

Commits

Commits on Oct 17, 2026

Commits on Oct 18, 2026

Commits on Oct 19, 2026

Commits on Oct 20, 2026

Commits on Oct 21, 2026