x-algorithm changelog (unofficial)

Unofficial, community-maintained project. Not affiliated with, endorsed by, or operated by X Corp. or xAI. Notes are generated from the public git history of xai-org/x-algorithm and may contain mistakes; the upstream diff is the source of truth.

· cb45b55 · 16 files, +1,228/−218

Code changes in phoenix/, grox/ and home-mixer/ (16 files).

numeric tweaksschema
  • Other literal values changed in code: bs_per_device 256→512 (xrecsys.py) and ep 256→128 (xrecsys.py).
  • Proto/Thrift schema: 2 fields added (e.g. PredictNextActionsRequest.feed_cursor_direction and PredictNextActionsRequest.feed_request_context).
  • Most activity in phoenix/ (+1,215/−217), grox/ (+12/−0) and home-mixer/ (+1/−1).
  • 1 file changed only in formatting, comments or sync metadata.

Full analysis → Summary: automatic analysis

Config parameters (param! defaults)

None.

Pipeline components

None detected.

Changed constants & literal values

Old lineNew lineFile
"bs_per_device": 256,"bs_per_device": 512,phoenix/xrex/configs/xrecsys.py
"ep": 256,"ep": 128,phoenix/xrex/configs/xrecsys.py

Schema fields (2)

Show proto/thrift field changes
ChangeField
addedPredictNextActionsRequest.feed_cursor_direction
addedPredictNextActionsRequest.feed_request_context

Modules touched

ModuleFiles addedModifiedRemovedLines +Lines −
phoenix/1120+1,215−217
grox/020+12−0
home-mixer/010+1−1

Files (16)

Show file list
PathLinesNote
Mgrox/core/data_loaders/data_types.py+6/−0
Mgrox/core/data_loaders/post_mapper.py+6/−0
Mhome-mixer/params/param.rs+1/−1sync metadata
Mphoenix/crates/serving/xai-recsys-proto/proto/recsys.proto+3/−0
Mphoenix/python/common/xai-proto/proto/recsys.proto+3/−0
Mphoenix/xrex/configs/xrecsys.py+12/−2
Mphoenix/xrex/cutedsl/ranker_attention_varlen_fa4.py+67/−57
Aphoenix/xrex/cutedsl/ranker_candidate_attention_fa4.py+369/−0
Mphoenix/xrex/data/recsys/sequence_packing.py+259/−12
Mphoenix/xrex/inference/model_runner.py+4/−0
Mphoenix/xrex/models/layers.py+10/−0
Mphoenix/xrex/models/recsys_attention.py+35/−5
Mphoenix/xrex/models/recsys_feature_prep.py+77/−7
Mphoenix/xrex/models/recsys_model.py+2/−2
Mphoenix/xrex/models/transformer.py+17/−3
Mphoenix/xrex/train/trainer_recsys.py+357/−129