{"schema_version":"onlylabs.public_signal.v1","title":"ByteDance (Doubao/Seed) Repo: ByteDance-Seed/SDP4Bit","description":"ByteDance (Doubao/Seed) repo signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/081e939f-6190-420a-b1a2-530685edbfed","json_url":"https://onlylabs.fyi/signals/081e939f-6190-420a-b1a2-530685edbfed/signal.json","generated_at":"2026-06-11T03:58:37.851396+00:00","org":{"slug":"bytedance","name":"ByteDance (Doubao/Seed)","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/bytedance","dossier_json_url":"https://onlylabs.fyi/labs/bytedance/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/081e939f-6190-420a-b1a2-530685edbfed","signal_json":"https://onlylabs.fyi/signals/081e939f-6190-420a-b1a2-530685edbfed/signal.json","source":"https://github.com/ByteDance-Seed/SDP4Bit","lab_dossier":"https://onlylabs.fyi/labs/bytedance","lab_dossier_json":"https://onlylabs.fyi/labs/bytedance/dossier.json","analysis":"https://onlylabs.fyi/analysis/bytedance","analysis_json":"https://onlylabs.fyi/analysis/bytedance/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/bytedance/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":null,"topic_signals_json":null,"topic_feed":null,"data_business":{"radar":"https://onlylabs.fyi/data-radar","radar_json":"https://onlylabs.fyi/data-radar.json","opportunities":"https://onlylabs.fyi/opportunities","opportunities_json":"https://onlylabs.fyi/opportunities.json","lanes":[{"key":"data","label":"Data demand","url":"https://onlylabs.fyi/data-radar/data","json_url":"https://onlylabs.fyi/data-radar/data/signals.json"},{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure","json_url":"https://onlylabs.fyi/data-radar/infrastructure/signals.json"}]}},"answer_pack":{"answer":"ByteDance (Doubao/Seed) published ByteDance-Seed/SDP4Bit (Python). 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Data demand, Infrastructure."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has captured page count","object":"1","text":"ByteDance-Seed/SDP4Bit has captured page count 1."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has readable page count","object":"1","text":"ByteDance-Seed/SDP4Bit has readable page count 1."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has related signal count","object":"6","text":"ByteDance-Seed/SDP4Bit has related signal count 6."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has analysis playbook objective","object":"Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.","text":"ByteDance-Seed/SDP4Bit has analysis playbook objective Turn new repository signals into early evidence of tooling, eval, infrastructure, model-adjacent, or product work before it appears in polished launch channels.."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has source host","object":"github.com","text":"ByteDance-Seed/SDP4Bit has source host github.com."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has lab","object":"ByteDance (Doubao/Seed)","text":"ByteDance-Seed/SDP4Bit has lab ByteDance (Doubao/Seed)."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has signal desk","object":"repos","text":"ByteDance-Seed/SDP4Bit has signal desk repos."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has source host","object":"github.com","text":"ByteDance-Seed/SDP4Bit has source host github.com."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has repository","object":"ByteDance-Seed/SDP4Bit","text":"ByteDance-Seed/SDP4Bit has repository ByteDance-Seed/SDP4Bit."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has language","object":"Python","text":"ByteDance-Seed/SDP4Bit has language Python."},{"subject":"ByteDance-Seed/SDP4Bit","predicate":"has 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Overview SDP4Bit is a communication quantization strategy designed to reduce the overhead of large-scale distributed training in Sharded Data Parallelism (ShardedDP). By utilizing quantization on weight differences and two-level gradient smooth quantization, SDP4Bit reduces the communication of weights and gradients to nearly 4 bits without compromising accuracy. Paper Results Reproduce Preparing for Data In the data processing step, we followed the [data preprocessing instructions](https://github.com/NVIDIA/Megatron-LM?tab=readme-ov-file#data-preprocessing) in Megatron-LM official repository. We use the [**pile deduplicated..."},"evidence_pages":[{"url":"https://github.com/ByteDance-Seed/SDP4Bit","final_url":"https://github.com/ByteDance-Seed/SDP4Bit","title":"ByteDance-Seed/SDP4Bit repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T03:58:37.851396+00:00","bytes":18411,"raw_path":"36dae479963965702c2c35e697536fd03d4326c8a7383344e797f45079bde141.json","content_hash":"c7b21046467e74cc11541d51330cf629895eab15143f8c592a5b25d1abd48889","excerpt_chars":1200,"truncated":true,"excerpt":"ByteDance-Seed/SDP4Bit Description: official implementation of paper SDP4Bit: Toward 4-bit Communication Quantization in Sharded Data Parallelism for LLM Training Language: Python License: Apache-2.0 Stars: 44 Forks: 8 Open issues: 0 Created: 2024-11-21T06:24:38Z Pushed: 2024-12-11T04:37:04Z Default branch: main Fork: no Archived: no README: SDP4Bit This repository is the official implement of paper **[SDP4Bit: Toward 4-bit Communication Quantization in Sharded Data Parallelism for LLM Training](https://arxiv.org/abs/2410.15526)**. 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