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perf(cpu): reject the packed-nibble int4 x int16 acc4 kernel; pin the acc4 int4 accuracy envelope - #1607

Merged

justinchuby merged 7 commits into

mainfrom

squad/roy-int4-i16-acc4

Aug 20, 2026

Merged

perf(cpu): reject the packed-nibble int4 x int16 acc4 kernel; pin the acc4 int4 accuracy envelope#1607
justinchuby merged 7 commits into
mainfrom
squad/roy-int4-i16-acc4

Commits on Aug 20, 2026
- experiment: packed-nibble int4 x int16 AVX2 acc4 decode kernel
  
  Roy
  and
  Copilot
  committed
  1d50cb1
- perf(cpu): reject packed-nibble int4 x int16 acc4 kernel; pin acc4 int4 accuracy
  
  Roy
  and
  Copilot
  committed
  065bc36
- Merge remote-tracking branch 'origin/main' into squad/roy-int4-i16-acc4
  justinchuby
  committed
  896670a
- Merge remote-tracking branch 'origin/main' into squad/roy-int4-i16-acc4
  justinchuby
  committed
  8000bb3
- docs(perf): record the packed-nibble int4 rejection in the CPU MatMul ledger
  
  Roy
  and
  Copilot
  committed
  57145ed
- review: correct the ledger's premise attribution and scope the accuracy pin to its measured route
  
  Roy
  and
  Copilot
  committed
  f15b89d
- Merge remote-tracking branch 'origin/main' into squad/roy-int4-i16-acc4
  justinchuby
  committed
  63c3a0b