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dsv4.1: compression, KV I/O, and metadata kernels - #39652

Merged

hnyls2002 merged 24 commits into

mainfrom

dsv4.1-metadata

Sep 16, 2026

Commits on Sep 16, 2026
- dsv4.1: extract Top-k kernels and candidate helpers
  hnyls2002
  committed
  bdaf2e2
- dsv4.1: skip unwritten Top-k plans in metadata comparisons
  hnyls2002
  committed
  9b17c0d
- fix dsv4 top-k edge cases and trim tests
  
  BBuf
  authored and
  hnyls2002
  committed
  f51894f
- dsv4.1: extract communication kernels and wrappers
  hnyls2002
  committed
  ed1c649
- dsv4.1: extract vocab gather and sharded greedy selection
  hnyls2002
  committed
  5873fba
- fix sharded greedy test suite
  hnyls2002
  committed
  8c02375
- clarify sharded greedy docstring; split test cases; fix stale usage path
  hnyls2002
  committed
  b297ac2
- fix communication guards and cover ragged collectives
  
  BBuf
  authored and
  hnyls2002
  committed
  d3d9a85
- remove standalone nvlink communication test
  
  BBuf
  authored and
  hnyls2002
  committed
  5a8166b
- dsv4.1: extract compression and metadata kernels
  hnyls2002
  committed
  3c5130f
- dsv4.1: extract KV store and dequantization paths
  hnyls2002
  committed
  b14c741
- dsv4.1: preserve 64K prefill planner indices and reject sentinel collisions
  hnyls2002
  committed
  a0ae65a
- fix c2 padding and trim metadata tests
  
  BBuf
  authored and
  hnyls2002
  committed
  e36a479
- dsv4.1: restore C2 padding test entry point
  hnyls2002
  committed
  1b94c71
- remove standalone dsv4 metadata tests
  
  BBuf
  authored and
  hnyls2002
  committed
  ed29816
- merge main; drop stale topk lineage
  hnyls2002
  committed
  cde9da0
- merge dsv4.1-communication
  hnyls2002
  committed
  313f98d
- merge main
  hnyls2002
  committed
  be34bc2
- drop norm-only c2 entry and aliases; move small metadata into dsv4; name low-ratio metadata fields
  hnyls2002
  committed
  56efc4a
- drop unused fp4 torch reference quantizer
  hnyls2002
  committed
  c888f9e
- c2: drop the dead duplicate freqs_cis load
  
  BBuf
  and
  claude
  committed
  f33acae
- merge c1/c2 wrappers; split small metadata into its homes; move torch_quant next to the kernels; align compress kernel names
  hnyls2002
  committed
  8af4e43
- trim comments
  hnyls2002
  committed
  fdae609
- Merge branch 'main' into dsv4.1-metadata
  hnyls2002
  authored
  3b2108b

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dsv4.1: compression, KV I/O, and metadata kernels - #39652

dsv4.1: compression, KV I/O, and metadata kernels#39652
hnyls2002 merged 24 commits into
mainfrom
dsv4.1-metadata

Commits on Sep 16, 2026

dsv4.1: extract Top-k kernels and candidate helpers

dsv4.1: skip unwritten Top-k plans in metadata comparisons

fix dsv4 top-k edge cases and trim tests

dsv4.1: extract communication kernels and wrappers

dsv4.1: extract vocab gather and sharded greedy selection

fix sharded greedy test suite

clarify sharded greedy docstring; split test cases; fix stale usage path

fix communication guards and cover ragged collectives

remove standalone nvlink communication test

dsv4.1: extract compression and metadata kernels

dsv4.1: extract KV store and dequantization paths

dsv4.1: preserve 64K prefill planner indices and reject sentinel collisions

fix c2 padding and trim metadata tests

dsv4.1: restore C2 padding test entry point

remove standalone dsv4 metadata tests

merge main; drop stale topk lineage

merge dsv4.1-communication

merge main

drop norm-only c2 entry and aliases; move small metadata into dsv4; name low-ratio metadata fields

drop unused fp4 torch reference quantizer

c2: drop the dead duplicate freqs_cis load

merge c1/c2 wrappers; split small metadata into its homes; move torch_quant next to the kernels; align compress kernel names

trim comments

Merge branch 'main' into dsv4.1-metadata