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71 Commits
Author SHA1 Message Date
Nick HillandBugen Zhao f2ace1d57d [Frontend][RFC] Rust front-end integration (#40848) 
Signed-off-by: Nick Hill <nickhill123@gmail.com>
Signed-off-by: Bugen Zhao <i@bugenzhao.com>
Co-authored-by: Bugen Zhao <i@bugenzhao.com>
 2026-05-21 12:24:48 +08:00
Dao007forever 3f5bd482f5 [Bugfix][KV Transfer][NIXL] Notify P node on pre-admission rejection to free stranded KV blocks (#41269) 2026-05-09 22:52:09 -07:00
Bugen Zhaoandwang.yuqi a07642667d [Bugfix] Pass reasoning parser kwargs to structured output (#41199) 
Signed-off-by: Bugen Zhao <i@bugenzhao.com>
Co-authored-by: wang.yuqi <yuqi.wang@daocloud.io>
 2026-04-30 23:38:02 -07:00
Luis 🚀andAndrew Sansom 14043dfecd feat: Enable prompt_embeds Content Part Support in vLLM Chat Completions API (#40720) 
Signed-off-by: Luis Robaina <luis@protopia.ai>
Signed-off-by: Luis Robaina 🚀 <luisfabian1545@gmail.com>
Signed-off-by: LuisRobaina <luis@protopia.ai>
Co-authored-by: Andrew Sansom <qthequartermasterman@gmail.com>
 2026-05-01 10:05:55 +08:00
Mark McLoughlinandOr Ozeri d3af8c1831 [Core][Metrics][BugFix] Replace num_cached_tokens/num_external_computed_tokens with PrefillStats (#37460) 
Related to `Counters can only be incremented by non-negative amounts`
error with the `vllm:prompt_tokens_by_source_total` metric.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Co-authored-by: Or Ozeri <or@ozery.com>
 2026-04-14 09:00:45 +01:00
Nick Hill ef076c1b73 [Core] Change max_model_len in EngineCoreReadyResponse to be non-None (#39442) 
Signed-off-by: Nick Hill <nickhill123@gmail.com>
 2026-04-10 14:34:57 +08:00
Nick Hill c8d98f81f6 [Core] Simplify API server handshake (#39364) 
Signed-off-by: Nick Hill <nickhill123@gmail.com>
 2026-04-09 18:56:15 +08:00
triangleXIVandmgoin 7c94ae16c6 [BugFix] --max-model-len=-1 causes over-limit requests to hang and starve the entire service (#39102) 
Signed-off-by: triangle14 <y1019026570@gmail.com>
Signed-off-by: mgoin <mgoin64@gmail.com>
Co-authored-by: mgoin <mgoin64@gmail.com>
 2026-04-08 14:03:17 -07:00
Itay Alroy de1a86b7de elastic_ep: Fix stateless group port races (#36330) 
Signed-off-by: Itay Alroy <ialroy@nvidia.com>
 2026-03-18 14:36:18 +00:00
Mark McLoughlinClaude Sonnet 4.5Nick Hill
 		7afe0faab1 [Frontend][Core] Re-add shutdown timeout - allowing in-flight requests to finish (#36666) 
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Nick Hill <nickhill123@gmail.com>
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
Co-authored-by: Nick Hill <nickhill123@gmail.com>
 2026-03-13 12:10:06 -07:00
Mark McLoughlin 234860399b [Frontend][Core] Revert "Add shutdown timeout" (#34730 and #36270) (#36628) 
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
 2026-03-10 06:20:41 -07:00
Cyrus Leung f96c3ab08c [Deprecation][1/2] Remove items deprecated in v0.18 (#36470) 
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
 2026-03-09 03:43:23 -07:00
Mark McLoughlinandClaude Sonnet 4.5 27066d1b2b [Frontend][Core] Add shutdown timeout - allowing in-flight requests to finish (#34730) 
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-03-05 22:04:31 -08:00
aykoppol 25e02647c2 [Core] Add optional flags to check for repetitive token patterns in engine output (#35451) 
Signed-off-by: aykoppol <aykoppol+git@gmail.com>
 2026-03-03 12:23:25 +08:00
Itay AlroyYongji WuTyler Michael SmithRon Tourgeman
 		dea268336f [1/N] Elastic EP Milestone 2 (#34861) 
Signed-off-by: Yongji Wu <wuyongji317@gmail.com>
Signed-off-by: Itay Alroy <ialroy@nvidia.com>
Signed-off-by: Tyler Michael Smith <tlrmchlsmth@gmail.com>
Signed-off-by: Ron Tourgeman <rtourgeman@nvidia.com>
Co-authored-by: Yongji Wu <wuyongji317@gmail.com>
Co-authored-by: Tyler Michael Smith <tlrmchlsmth@gmail.com>
Co-authored-by: Ron Tourgeman <rtourgeman@nvidia.com>
 2026-02-28 04:46:42 +00:00
Cyrus Leung ea5ff3a1f6 [Refactor] Simplify BOS/EOS token handling (#34435) 
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
 2026-02-12 18:18:24 -08:00
Aaron HaoandRobert Shaw 89a385d79f [Feat][RL] Pause and Resume with keep requests for single engine (#32351) 
Signed-off-by: ahao-anyscale <ahao@anyscale.com>
Signed-off-by: Aaron Hao <ahao@anyscale.com>
Co-authored-by: Robert Shaw <114415538+robertgshaw2-redhat@users.noreply.github.com>
 2026-02-07 00:08:58 +00:00
Chauncey 6abb0454ad [Perf] Optimize the performance of structured output + reasoning (#33557) 
Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>
 2026-02-05 15:45:29 +08:00
zhanqiuhu 4403e3ed4c [Metrics] Add labeled prompt token metrics for P/D disaggregation (#33290) 
Add labeled Prometheus metrics to distinguish where prompt tokens come
from in P/D disaggregated deployments.

In P/D disaggregation, decode instances receive KV cache from prefill instances.
Currently, decode reports inflated prompt throughput because it counts all
prompt tokens as "computed", even though most were transferred.

This PR adds labeled metrics so users can understand actual compute work vs
transferred work:

vllm:prompt_tokens_by_source_total{source="local_compute"}        # Tokens prefilled locally
vllm:prompt_tokens_by_source_total{source="external_kv_transfer"} # Tokens received via KV transfer  
vllm:prompt_tokens_by_source_total{source="local_cache_hit"}      # Tokens from local prefix cache
vllm:prompt_tokens_cached_total                                    # Total cached (local + external, -1 when all 

Signed-off-by: Zhanqiu Hu <zh338@cornell.edu>
 2026-02-04 07:46:48 +00:00
Joshua DengRoger WangPatrick von PlatenNick Hill
 		91601ff478 [Feature] add session based streaming input support to v1 (#28973) 
Signed-off-by: Joshua Deng <joshuakdeng@gmail.com>
Signed-off-by: Patrick von Platen <patrick.v.platen@gmail.com>
Signed-off-by: Nick Hill <nickhill123@gmail.com>
Signed-off-by: Roger Wang <hey@rogerw.io>
Co-authored-by: Roger Wang <hey@rogerw.io>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Nick Hill <nickhill123@gmail.com>
 2026-01-24 12:06:28 -08:00
Hongxin Xu22quinnarlenxu
 		49e6b86c91 [Feature] Support recording expert indices for rollout router replay (#28284) 
Signed-off-by: xhx1022 <1737006628@qq.com>
Signed-off-by: Hongxin Xu <70438206+xhx1022@users.noreply.github.com>
Signed-off-by: arlenxu <arlenxu@tencent.com>
Co-authored-by: 22quinn <33176974+22quinn@users.noreply.github.com>
Co-authored-by: arlenxu <arlenxu@tencent.com>
 2026-01-12 06:23:04 -08:00
Mark McLoughlinandNick Hill f790068600 [Core] Add a random suffix to frontend-provided request IDs (#27987) 
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Nick Hill <nhill@redhat.com>
Co-authored-by: Nick Hill <nhill@redhat.com>
 2025-12-23 13:05:39 -08:00
Will EatonMark McLoughlinNick Hillchaunceyjiang
 		a9e4106f28 [P/D] KV Load Failure Recovery/Abort Configuration (#26813) 
Signed-off-by: Will Eaton <weaton@redhat.com>
Signed-off-by: Will Eaton <me@wseaton.com>
Signed-off-by: Nick Hill <nhill@redhat.com>
Co-authored-by: Mark McLoughlin <markmc@redhat.com>
Co-authored-by: Nick Hill <nhill@redhat.com>
Co-authored-by: chaunceyjiang <chaunceyjiang@gmail.com>
 2025-12-10 11:00:52 -08:00
Avishek Goswami 32c40b95e0 [BugFix] bad_words filtering ineffective when n > 1 (#29313) 
Signed-off-by: GOavi101 <1704178@kiit.ac.in>
 2025-11-25 09:36:34 +00:00
Nicolò LucchesiandHarry Mellor 6f1e7f7226 [DisaggEverything] Tokens in<>out /generate endpoint (#24261) 
Signed-off-by: NickLucche <nlucches@redhat.com>
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
Co-authored-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
 2025-11-14 09:58:01 -07:00
Snehlata e15601789b [Feature]: Add corrupted request metric to V1 metrics system. (#27306) 
Signed-off-by: atalhens <sneh.lata@nutanix.com>
 2025-11-05 13:45:29 -08:00
Harry Mellor 8fcaaf6a16 Update Optional[x] -> x | None and Union[x, y] to x | y (#26633) 
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
 2025-10-12 09:51:31 -07:00
Harry Mellor d6953beb91 Convert formatting to use ruff instead of yapf + isort (#26247) 
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
 2025-10-05 07:06:22 -07:00
Andrew SansomandCyrus Leung 9a4600e4dc [CORE] Prompt Embeddings Support for v1 Engine (#24278) 
Signed-off-by: Andrew Sansom <andrew@protopia.ai>
Signed-off-by: Andrew Sansom <qthequartermasterman@gmail.com>
Co-authored-by: Cyrus Leung <cyrus.tl.leung@gmail.com>
 2025-09-19 08:03:09 +08:00
RichardoMuMu HuaiYe ZhangBenjamin Bartelssimon-mo瑜琮Aaron Pham22quinn
 		40b6c9122b [V1] feat:add engine v1 tracing (#20372) 
Signed-off-by: Mu Huai <tianbowen.tbw@antgroup.com>
Signed-off-by: Ye Zhang <zhysishu@gmail.com>
Signed-off-by: RichardoMu <44485717+RichardoMrMu@users.noreply.github.com>
Signed-off-by: simon-mo <simon.mo@hey.com>
Signed-off-by: Aaron Pham <contact@aarnphm.xyz>
Signed-off-by: 22quinn <33176974+22quinn@users.noreply.github.com>
Co-authored-by: Mu Huai <tianbowen.tbw@antgroup.com>
Co-authored-by: Ye Zhang <zhysishu@gmail.com>
Co-authored-by: Benjamin Bartels <benjamin@bartels.dev>
Co-authored-by: simon-mo <simon.mo@hey.com>
Co-authored-by: 瑜琮 <ly186375@antfin.com>
Co-authored-by: Aaron Pham <contact@aarnphm.xyz>
Co-authored-by: 22quinn <33176974+22quinn@users.noreply.github.com>
 2025-09-11 17:10:39 -07:00
Flora Feng 69f46359dd [Multimodal] Consolidate mm inputs into MultiModalFeatureSpec (#23779) 
Signed-off-by: sfeng33 <4florafeng@gmail.com>
 2025-08-29 18:36:57 +08:00
Cyrus Leung 4dff91c93d [Refactor] Allow optional MultiModalKwargsItem in IPC (#23022) 
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
 2025-08-16 11:30:49 +00:00
Cyrus Leung 19b927e52d [Core] Use individual MM items in P0/P1 cache and model runner (#22570) 
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
 2025-08-13 07:18:07 -07:00
Nick Hill 56bd537dde [Misc] Support more collective_rpc return types (#21845) 
Signed-off-by: Nick Hill <nhill@redhat.com>
 2025-07-30 10:20:20 -07:00
Rui Qiao 217937221b Elastic Expert Parallel Initial Support (#20775) 
Signed-off-by: Rui Qiao <ruisearch42@gmail.com>
 2025-07-18 17:46:09 -07:00
amitandRoger Wang 4a0f7888a3 [Core] feat: Implement Priority Scheduling in V1 Engine (#19057) 
Signed-off-by: amit <amit.man@gmail.com>
Co-authored-by: Roger Wang <Rogerw0108@gmail.com>
 2025-06-22 20:18:08 -07:00
Maximilien de Bayserand22quinn 799397ee4f Support embedding models in V1 (#16188) 
Signed-off-by: Max de Bayser <mbayser@br.ibm.com>
Signed-off-by: Max de Bayser <maxdebayser@gmail.com>
Signed-off-by: 22quinn <33176974+22quinn@users.noreply.github.com>
Co-authored-by: 22quinn <33176974+22quinn@users.noreply.github.com>
 2025-06-18 21:36:33 -07:00
jmswen c8dcc15921 Allow AsyncLLMEngine.generate to target a specific DP rank (#19102) 
Signed-off-by: Jon Swenson <jmswen@gmail.com>
 2025-06-04 08:26:47 -07:00
Simon Mo 02f0c7b220 [Misc] Add SPDX-FileCopyrightText (#19100) 
Signed-off-by: simon-mo <simon.mo@hey.com>
 2025-06-03 11:20:17 -07:00
Nick Hill 2dbe8c0774 [Perf] API-server scaleout with many-to-many server-engine comms (#17546) 2025-05-30 08:17:00 -07:00
Chaunceyandsimon-mo b046cf792d [Feature][V1]: suupports cached_tokens in response usage (#18149) 
Co-authored-by: simon-mo <xmo@berkeley.edu>
 2025-05-23 01:41:03 -07:00
Robert ShawTyler Michael SmithApostaCRobert ShawmgoinNick HillTyler Michael SmithBrent Salisbury
 		d19110204c [P/D] NIXL Integration (#17751) 
Signed-off-by: ApostaC <yihua98@uchicago.edu>
Signed-off-by: Tyler Michael Smith <tyler@neuralmagic.com>
Signed-off-by: rshaw@neuralmagic.com <robertgshaw2@gmail.com>
Signed-off-by: Robert Shaw <rshaw@neuralmagic.com>
Signed-off-by: mgoin <mgoin64@gmail.com>
Signed-off-by: Nick Hill <nhill@redhat.com>
Signed-off-by: Brent Salisbury <bsalisbu@redhat.com>
Co-authored-by: Tyler Michael Smith <tyler@neuralmagic.com>
Co-authored-by: ApostaC <yihua98@uchicago.edu>
Co-authored-by: Robert Shaw <rshaw@neuralmagic.com>
Co-authored-by: mgoin <mgoin64@gmail.com>
Co-authored-by: Nick Hill <nhill@redhat.com>
Co-authored-by: Tyler Michael Smith <tysmith@redhat.com>
Co-authored-by: Brent Salisbury <bsalisbu@redhat.com>
 2025-05-12 09:46:16 -07:00
Marko Rosenmueller 77073c77bc [Core] Prevent side-channel attacks via cache salting (#17045) 
Signed-off-by: Marko Rosenmueller <5467316+dr75@users.noreply.github.com>
 2025-04-30 20:27:21 +08:00
Nick Hill df6f3ce883 [Core] Remove prompt string from engine core data structures (#17214) 
Signed-off-by: Nick Hill <nhill@redhat.com>
 2025-04-25 23:41:05 -07:00
Nick Hill 1e013fa388 [V1][DP] More robust DP/EP dummy request coordination (#16277) 
Signed-off-by: Nick Hill <nhill@redhat.com>
 2025-04-22 19:12:15 -07:00
Robert Shawrshaw@neuralmagic.com <rshaw@neuralmagic.com>Cyrus LeungRussell BryantAndrew Feldmanafeldman-nmNick Hill
 		2b05b8ce69 [V1][Frontend] Improve Shutdown And Logs (#11737) 
Signed-off-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>
Signed-off-by: Andrew Feldman <afeldman@neuralmagic.com>
Signed-off-by: Nick Hill <nhill@redhat.com>
Co-authored-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>
Co-authored-by: Cyrus Leung <cyrus.tl.leung@gmail.com>
Co-authored-by: Russell Bryant <rbryant@redhat.com>
Co-authored-by: Andrew Feldman <afeldman@neuralmagic.com>
Co-authored-by: afeldman-nm <156691304+afeldman-nm@users.noreply.github.com>
Co-authored-by: Nick Hill <nhill@redhat.com>
 2025-04-16 19:48:34 -07:00
Cyrus Leung e484e02857 [Bugfix] Avoid transferring cached multi-modal items from P0 to P1 (#16273) 
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
 2025-04-09 00:51:27 -07:00
Nick Hill 15dac210f0 [V1] AsyncLLM data parallel (#13923) 
Signed-off-by: Nick Hill <nhill@redhat.com>
 2025-03-27 16:14:41 -07:00
Cyrus LeungandRoger Wang b539222d4e [V1] Remove input cache client (#14864) 
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
Signed-off-by: Roger Wang <ywang@roblox.com>
Co-authored-by: Roger Wang <ywang@roblox.com>
 2025-03-16 23:42:06 -07:00
Harry Mellor cf069aa8aa Update deprecated Python 3.8 typing (#13971) 2025-03-02 17:34:51 -08:00