vllm-project/vime

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An LLM post-training framework with vLLM for RL Scaling

Stars: 469
Forks: 94
Open beginner issues: 0
Indexed issues: 42
Avg merge: 4d 8h
Merged PRs (30d): 15

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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42 open issues indexed

[RFC] Colocate offload/onload dominates step time on small-model short-response workloads Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#442 · 3 comments · Opened Sep 19, 2026
[RFC] Support DSpark on Ascend NPU Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#436 · 1 comment · Opened Sep 17, 2026
[NPU] [Spike] Qwen3.5 model support dynamic batch Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vllm-project/vime#435 · Opened Sep 17, 2026
[NPU][Bug] vLLM raise error when updating weights using data parallelism Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vllm-project/vime#434 · Opened Sep 17, 2026
[NPU] [Spike] Support context parallel Open

question

Difficulty 5/5 Over a week Newbie friendliness 30/100

vllm-project/vime#433 · Opened Sep 17, 2026
[Question] how hard is it to implement HiddenState KD? Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

vllm-project/vime#412 · Opened Sep 5, 2026
[NPU] Add Kimi-K2-Thinking support Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vllm-project/vime#395 · Opened Aug 22, 2026
[NPU] Add MiniMax M2.5 support Open

question

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vllm-project/vime#391 · 1 comment · Opened Aug 19, 2026
[Bug] VIME: Gemma4-26B-MOE, Garbled Rollout Outputs on 4×8 A800 40GB GPUs with EP4/PP2/TP2 ,Notice that HF1 !=HF1-Megatron-HF2 Open

bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#388 · 3 comments · Opened Aug 18, 2026
[NPU][Spike] Coding-Agent-RL SWE Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

vllm-project/vime#379 · 4 comments · Opened Aug 5, 2026
[RFC] Support draftmodel training in vime Open

RFC

Difficulty 5/5 Over a week Newbie friendliness 28/100

vllm-project/vime#377 · 1 comment · 2 reactions · Opened Aug 3, 2026
[NPU][A3] Garbled and repetitive MoE rollouts with inference EP after colocated IPC weight update Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

vllm-project/vime#374 · 3 comments · 1 reaction · Opened Jul 27, 2026
[NPU][Spike] Multi-machine Training: Qwen3-30B-A3B GRPO on NPU Open

question

Difficulty 5/5 Over a week Newbie friendliness 30/100

vllm-project/vime#367 · Opened Jul 23, 2026
[NPU][Spike] Fully-Async training: Qwen3-4B GRPO on NPU Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

vllm-project/vime#358 · 3 comments · Opened Jul 16, 2026
[Spike] Sync vs Fully-Async training: Qwen3-4B GRPO on GPU Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

vllm-project/vime#354 · 5 comments · Opened Jul 15, 2026
[Spike] OPD E2E — Qwen3-4B Student + Qwen3-32B Teacher on GSM8K (vLLM teacher) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vllm-project/vime#327 · 1 comment · Opened Jul 8, 2026
[RFC] Support save and resume Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#324 · 2 comments · Opened Jul 8, 2026
[RFC]vime NPU CI Integration Open

RFC

Difficulty 5/5 Over a week Newbie friendliness 20/100

vllm-project/vime#315 · Opened Jul 2, 2026
[Bug] Reward CPU tests fail during collection in lightweight dev environments Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

vllm-project/vime#304 · 3 comments · Opened Jul 1, 2026
[RFC] Steps and Test Result for Running Qwen3-4B on NPU(A3) （multi-agent rollout pipeline） Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vllm-project/vime#299 · Opened Jun 30, 2026
[Ascend][RFC] Mainline Capability Adaptation Checklist (Phase 1 + Phase 2) Open

RFC

vllm-project/vime#279 · 7 comments · 1 reaction · 3 assignees · Opened Jun 21, 2026
[NPU][Spike] Abnormally high train_rollout_logprob_abs_diff (experimental notes) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vllm-project/vime#274 · 2 comments · Opened Jun 20, 2026
[RFC] Steps and Test Result for Running Qwen3-30B on NPU(A3) （use-rollout-routing-replay） Open

question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

vllm-project/vime#270 · 1 comment · 3 reactions · Opened Jun 18, 2026
[NPU][Spike] Colocate Mode Test (Qwen3-4B GRPO) on Ascend 910B1 (A2) Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

vllm-project/vime#255 · 1 comment · Opened Jun 16, 2026
[Spike] [TQ] Transfer Queue test on H800 (Qwen3-4B GRPO) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vllm-project/vime#244 · 1 reaction · Opened Jun 13, 2026
[Ascend][RFC] vime-ascend Build and Roadmap Open

RFC

Difficulty 5/5 Over a week Newbie friendliness 20/100

vllm-project/vime#243 · Opened Jun 13, 2026
[RFC] Multi-turn OPD for agent with a temporal curriculum Open

question

Difficulty 5/5 Over a week Newbie friendliness 42/100

vllm-project/vime#231 · 1 comment · Opened Jun 10, 2026
[RFC] AMD ROCm Support in VIME Open

question RFC

Difficulty 5/5 Over a week Newbie friendliness 25/100

vllm-project/vime#229 · 3 comments · Opened Jun 10, 2026
[RFC] Integrating TransferQueue into Vime: Decoupling Rollout and Training with a Streaming Data Bus Open

RFC

Difficulty 5/5 Over a week Newbie friendliness 32/100

vllm-project/vime#227 · 2 comments · 3 reactions · Opened Jun 10, 2026
[NPU] Steps for Running Qwen3-4B GRPO on Ascend A3 Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

vllm-project/vime#210 · 2 comments · Opened Jun 9, 2026
[NPU] Steps and Test Result for Running Qwen3-30B on NPU(A3) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vllm-project/vime#205 · 2 comments · Opened Jun 9, 2026
[NPU][Spike] Steps and Test Results for Running Qwen3-32B on NPU（A3） Open

vllm-project/vime#165 · 1 assignee · Opened Jun 6, 2026
[RFC] Replace Gather-based Weight Transfer with P2P for Faster Sync and Balanced GPU Memory Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

vllm-project/vime#160 · 1 comment · Opened Jun 5, 2026
[NPU][Spike] Steps and Test Results for Running Qwen3-4B on NPU（A2） Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vllm-project/vime#157 · 3 comments · Opened Jun 5, 2026
[RFC] Qwen3-30B-A3B 8×H200 200-step convergence benchmark Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

vllm-project/vime#79 · Opened May 30, 2026
[RFC] Multi-node rollout parallelism for vLLM backend (TP/PP/ EP) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#65 · Opened May 28, 2026
[Bug] examples/on_policy_distillation: bad vllm CLI flag, unbounded teacher-readiness loop, and sglang-shape reward parser (fixed in PR #18) Open

Difficulty 4/5 3-5 days Newbie friendliness 10/100

vllm-project/vime#59 · 2 comments · Opened May 28, 2026
[RFC]: Optional NCCL m2n Reshard for Non-Colocated Weight Sync Open

vllm-project/vime#52 · 2 reactions · 1 assignee · Opened May 27, 2026
[RFC] NPU support roadmap. Open

RFC

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#51 · 1 comment · Opened May 27, 2026
Parallelism correctness for RL training: logits parity & convergence across TP/PP/CP layouts Open

vllm-project/vime#46 · 2 comments · 1 assignee · Opened May 27, 2026
[RFC] Code Contribution and Test Cases Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

vllm-project/vime#15 · Opened May 19, 2026
[RFC] VIME Roadmap Open

vllm-project/vime#11 · 15 comments · 5 reactions · 3 assignees · Opened May 18, 2026

vllm-project/vime

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