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[CPU][Zen] Add DA8W4 (W4A8) int4 support for dense and MoE layers - #54024

Merged

DarkLight1337 merged 21 commits into

vllm-project:mainfrom

ganeshr10:cpu-zen-da8w4-w4a8

Oct 1, 2026

Merged

[CPU][Zen] Add DA8W4 (W4A8) int4 support for dense and MoE layers#54024
DarkLight1337 merged 21 commits into
vllm-project:mainfrom
ganeshr10:cpu-zen-da8w4-w4a8

Commits on Sep 11, 2026
- [CPU][Zen] Add DA8W4 (W4A8) int4 support for dense and MoE layers
  
  ganeshr10
  and
  cursoragent
  committed
  edbadc0
- [CPU][Zen] Accept SwiGLU-OAI and biased W4A16 checkpoints on DA8W4
  
  ganeshr10
  and
  cursoragent
  committed
  d1630c6
- [CPU][Zen] Support custom MoE routing on the DA8W4 int4 path
  
  ganeshr10
  and
  cursoragent
  committed
  60b1be8
- [CPU][Zen] Reject expert parallelism and MoeWNA16 layouts on DA8W4
  
  ganeshr10
  and
  cursoragent
  committed
  ba1815f
- [CPU][Zen] Cover the DA8W4 expert-parallel and MoeWNA16 gates
  
  ganeshr10
  and
  cursoragent
  committed
  e0c8a94
Commits on Sep 16, 2026
- Merge upstream/main into cpu-zen-da8w4-w4a8
  
  ganeshr10
  and
  cursoragent
  committed
  d95d95a
Commits on Sep 18, 2026
- [CPU][Zen] Fold the DA8W4 eligibility check into the repack
  
  ganeshr10
  and
  cursoragent
  committed
  77fefaa
- [CPU][Zen] Leave the WNA16 oracle's may_have_bias alone
  
  ganeshr10
  and
  cursoragent
  committed
  75a204e
Commits on Sep 21, 2026
- Merge upstream/main into cpu-zen-da8w4-w4a8
  
  ganeshr10
  and
  cursoragent
  committed
  0269043
Commits on Sep 22, 2026
- [CPU][Zen] Drop the inherited N/K alignment gate from ZentorchWNA16
  
  ganeshr10
  and
  cursoragent
  committed
  e11951f
Commits on Sep 23, 2026
- [CPU][Zen] Skip the DA8W4 tests off CPU
  
  ganeshr10
  and
  cursoragent
  committed
  4325b98
- Merge upstream/main into cpu-zen-da8w4-w4a8
  ganeshr10
  committed
  da59753
Commits on Sep 28, 2026
- [CPU][Zen] Require the WNA16 group size to divide K
  
  ganeshr10
  and
  cursoragent
  committed
  df9197f
- Merge upstream/main into cpu-zen-da8w4-w4a8
  
  ganeshr10
  and
  cursoragent
  committed
  48a2a9f
Commits on Sep 29, 2026
- Merge upstream/main into cpu-zen-da8w4-w4a8
  
  ganeshr10
  and
  cursoragent
  committed
  92226f0
- [CPU][Zen] Follow the N-first CT WNA16 MoE weight format
  
  ganeshr10
  and
  cursoragent
  committed
  8fc8a8d
Commits on Sep 30, 2026
- Merge branch 'main' into cpu-zen-da8w4-w4a8
  mergify[bot]
  authored
  e592350
Commits on Oct 1, 2026

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[CPU][Zen] Add DA8W4 (W4A8) int4 support for dense and MoE layers - #54024

[CPU][Zen] Add DA8W4 (W4A8) int4 support for dense and MoE layers#54024
DarkLight1337 merged 21 commits into
vllm-project:mainfrom
ganeshr10:cpu-zen-da8w4-w4a8

Commits on Sep 11, 2026

[CPU][Zen] Add DA8W4 (W4A8) int4 support for dense and MoE layers

[CPU][Zen] Accept SwiGLU-OAI and biased W4A16 checkpoints on DA8W4

[CPU][Zen] Support custom MoE routing on the DA8W4 int4 path

[CPU][Zen] Reject expert parallelism and MoeWNA16 layouts on DA8W4

[CPU][Zen] Cover the DA8W4 expert-parallel and MoeWNA16 gates

Commits on Sep 16, 2026

Merge upstream/main into cpu-zen-da8w4-w4a8

Commits on Sep 18, 2026

[CPU][Zen] Fold the DA8W4 eligibility check into the repack

[CPU][Zen] Leave the WNA16 oracle's may_have_bias alone

Commits on Sep 21, 2026

Merge upstream/main into cpu-zen-da8w4-w4a8

Commits on Sep 22, 2026

[CPU][Zen] Drop the inherited N/K alignment gate from ZentorchWNA16

Commits on Sep 23, 2026

[CPU][Zen] Skip the DA8W4 tests off CPU

Merge upstream/main into cpu-zen-da8w4-w4a8

Commits on Sep 28, 2026

[CPU][Zen] Require the WNA16 group size to divide K

Merge upstream/main into cpu-zen-da8w4-w4a8

Commits on Sep 29, 2026

Merge upstream/main into cpu-zen-da8w4-w4a8

[CPU][Zen] Follow the N-first CT WNA16 MoE weight format

Commits on Sep 30, 2026

Merge branch 'main' into cpu-zen-da8w4-w4a8

Commits on Oct 1, 2026

Merge remote-tracking branch 'origin/main' into cpu-zen-da8w4-w4a8

[CPU][Zen] Narrow can_implement's reason before the substring check

[CPU][Zen] Build the DA8W4 MoE test weights N-first

Merge remote-tracking branch 'origin/main' into cpu-zen-da8w4-w4a8Change-Id: Iabc315771d84b2addec9d646c9e15a4bdfee8fee