zijie-tian/nano-vllm
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76af506956bf1c6276c07d11d867011b98d0b6ef
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96 Commits

Author SHA1 Message Date
Zijie Tian
76af506956 [claudesquad] update from 'multi-request-2' on 13 Jan 26 02:01 CST 2026-01-13 02:01:07 +08:00
Zijie Tian
64971c8e8a Merge branch 'zijie/fix-dist-3': Fix distributed port conflict 
- Auto port allocation with _find_free_port() in model_runner.py
- Resource management refactor with close() + context manager in llm_engine.py
- Add tests/test_port_conflict.py and tests/run_parallel_niah.sh
- Remove docs/torch_distributed_port_issue.md (issue fixed)
- Ignore tests/data/ directory

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-12 16:27:25 +08:00
Zijie Tian
a6cc703d73 [tests] Added test_niah_standalone.py. 2026-01-12 00:16:37 +08:00
Zijie Tian
e23be2e844 Merge branch 'zijie/add-llama-1': Add multi-model support 
- Add model registry system for dynamic model loading
- Implement LlamaForCausalLM with Llama3 RoPE scaling
- Register Qwen3ForCausalLM and Qwen2ForCausalLM
- Update ModelRunner to use get_model_class() for dynamic model selection

Tested: needle 32k test PASSED

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-10 21:20:53 +08:00
Zijie Tian
03a8c033cb [claudesquad] update from 'add-llama-1' on 10 Jan 26 21:03 CST 2026-01-10 21:03:45 +08:00
Zijie Tian
1425510a2e [claudesquad] update from 'fix-bug-2' on 09 Jan 26 16:05 CST 2026-01-09 16:05:36 +08:00
Zijie Tian
59f8970ed3 [claudesquad] update from 'fix-bug-2' on 09 Jan 26 15:12 CST 2026-01-09 15:12:42 +08:00
Zijie Tian
47e3e465f0 [claudesquad] update from 'fix-ga-perf-2' on 09 Jan 26 14:08 CST 2026-01-09 14:08:12 +08:00
Zijie Tian
ea4e904de0 [claudesquad] update from 'int-minference-1' on 08 Jan 26 23:22 CST 2026-01-08 23:22:38 +08:00
Zijie Tian
a8c9f0d837 [claudesquad] update from 'lw-offload-2' on 08 Jan 26 20:53 CST 2026-01-08 20:53:08 +08:00
Zijie Tian
c1ddb44e5d Merge branch 'zijie/layer-prefill-1' into tzj/vs_offload 
Adds MInference sparse attention support:
- New MInference sparse policy implementation
- A-shape, vertical-slash, and block-sparse patterns
- Updated bench.py with sparse attention options
- test_minference_gpu.py validation test

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-08 03:40:53 +08:00
Zijie Tian
d8a87da1c3 [claudesquad] update from 'layer-prefill-1' on 08 Jan 26 03:36 CST 2026-01-08 03:36:39 +08:00
Zijie Tian
ecd9ae0271 [WIP] changed to layerwise offload. 2026-01-08 00:28:27 +08:00
Zijie Tian
6575099a06 [refactor] Cleanup unused code after perf_opt merge 
Removed ~460 lines of unused/redundant code from offload_engine.py:
- CUDA gather methods (gathered_h2d_*, update_gather_indices)
- Legacy async transfer methods (prefetch_block_async, offload_block_async)
- Legacy sync/wait methods (wait_for_block, wait_all_transfers, sync_indices)
- Legacy compatibility methods (load_to_compute_layer, wait_compute_layer)
- Unused gather_indices tensors and memory calculations

Updated class docstring to reflect current architecture.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-07 06:25:21 +08:00
Zijie Tian
8fd25d72d7 Merge perf_opt-1 and perf_opt-2 branches 
Combines two performance optimization features:
- perf_opt-1: Cross-layer pipeline for decode (double-buffered layer cache)
- perf_opt-2: Per-layer prefill buffer for async offload

Both features are complementary and improve CPU offload performance.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-07 06:03:44 +08:00
Zijie Tian
ccf27d3a74 [claudesquad] update from 'perf_opt-1' on 07 Jan 26 05:58 CST 2026-01-07 05:58:23 +08:00
Zijie Tian
0ad86eb449 [claudesquad] update from 'perf_opt-2' on 07 Jan 26 05:58 CST 2026-01-07 05:58:10 +08:00
Zijie Tian
58a06501c1 Merge branch 'zijie/debug_chunk-2' into tzj/minference 2026-01-07 03:30:38 +08:00
Zijie Tian
2a6e0a2c02 [feat] Added Quest Sparsity Policy. 2026-01-07 03:29:21 +08:00
Zijie Tian
2fe50bab50 [claudesquad] update from 'debug_chunk-2' on 07 Jan 26 03:27 CST 2026-01-07 03:27:27 +08:00
Zijie Tian
c99a6f3d3f [WIP] Before add Quest policy. 2026-01-07 02:32:30 +08:00
Zijie Tian
0e691f2d85 [WIP] move metadata to GPU. 2026-01-06 23:32:32 +08:00
Zijie Tian
690492e074 [WIP] Before refactor policies. 2026-01-06 20:47:55 +08:00
Zijie Tian
7cc8a394a5 [fix] Fixed bench_offload.py, BUT performance DEGRAD. 2026-01-06 18:46:48 +08:00
Zijie Tian
535f2037ab [WIP] Before fix bench_offload.py. 2026-01-06 18:41:08 +08:00
Zijie Tian
c7ac39dfbd [refactor] Before add sprae policy. 2026-01-05 21:19:24 +08:00
Zijie Tian
e554d5482b [refactor] Delete unnesscessory test, and refacrtor the offload prefix cache. 2026-01-05 20:31:42 +08:00
Zijie Tian
247c5312d9 [fix] Fixed decode misalign. 2026-01-05 19:00:44 +08:00
Zijie Tian
054aaff403 [fix] Fixed needle test bug. 2026-01-05 18:34:09 +08:00
Zijie Tian
d623043a3c [WIP] FIXED decode and prefill NEEDLE test. 2026-01-05 01:51:46 +08:00
Zijie Tian
e897380127 [test] Added test_align.py and Before change nanovllm attention. 2026-01-04 22:48:01 +08:00
Zijie Tian
772313db8f [refactor] Refactor the kvcache offload. 2026-01-04 19:37:03 +08:00
Zijie Tian
00ed17c640 [feat] Added debug tools. 2026-01-03 22:36:40 +08:00
Zijie Tian
74ee6d0895 [WIP] need to fix model to normally decode. 2026-01-01 05:18:27 +08:00
Zijie Tian
965c8aff12 [WIP] need change flashattention to debug. 2026-01-01 00:58:22 +08:00
Zijie Tian
30462fe89a [WIP] Before fix needle. 2025-12-31 23:35:25 +08:00
Zijie Tian
ccd1b3d4ab [WIP] Before modify nanovllm CPU-GPU kvcache. 2025-12-31 22:41:07 +08:00
Zijie Tian
484d0de9f9 [feat] Added debug hook to offload_engine.py. 2025-12-31 19:44:39 +08:00
Zijie Tian
89f8020d38 [WIP] fixing attention compute error. 2025-12-30 00:31:48 +08:00
Zijie Tian
82ed34fc2d [opt] optimize nanovllm performance compareable with vllm. 2025-12-25 03:47:07 +08:00
Zijie Tian
16fcf8350b [WIP] replace merge attention with triton kernel. 2025-12-25 01:07:05 +08:00
Zijie Tian
cf5e7df093 [WIP] Added sgDMA operator for scatter kvcache communication. 2025-12-24 23:48:52 +08:00
Zijie Tian
6ec1b23982 [WIP] NEED to modify communication. 2025-12-24 21:57:51 +08:00
Zijie Tian
782437c486 [WIP] remove num_prefetch_blocks varible. 2025-12-24 18:22:26 +08:00
Zijie Tian
4dcef16c13 [WIP] NEED refactor nanovllm mechenism. 2025-12-22 23:52:56 +08:00
Zijie Tian
1907b625b6 [refactor] Remove legacy mode path. 2025-12-22 20:17:56 +08:00
Zijie Tian
051f2295c9 [feat] Added sparse KVcache feature, NEED VERIFY. 2025-12-22 08:51:02 +08:00
Zijie Tian
dc7807a211 [feat] Fixed warmup memory overhead. 2025-12-15 21:39:14 +08:00
Zijie Tian
91a0f09a24 [feat] Optimized with ASYNC offload. 2025-12-15 07:21:35 +08:00
Zijie Tian
b8b6478506 [feat] Need to optimized with async prefetch. 2025-12-15 06:58:40 +08:00