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57 Commits
Author SHA1 Message Date
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
Mark McLoughlin cd711c48b2 [V1][Metrics] Handle preemptions (#13169) 2025-02-26 20:04:59 -08:00
Nick Hill caf7ff4456 [V1][Core] Generic mechanism for handling engine utility (#13060) 
Signed-off-by: Nick Hill <nhill@redhat.com>
 2025-02-19 17:09:22 +08:00
Varun Sundar RabindranathandVarun Sundar Rabindranath cbc40128eb [V1] LoRA - Enable Serving Usecase (#12883) 
Signed-off-by: Varun Sundar Rabindranath <varun@neuralmagic.com>
Co-authored-by: Varun Sundar Rabindranath <varun@neuralmagic.com>
 2025-02-14 14:21:12 +08:00
Mark McLoughlin 75e6e14516 [V1][Metrics] Add several request timing histograms (#12644) 
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
 2025-02-11 10:14:00 -05:00
Nick Hill 67c4637ccf [V1] Use msgpack for core request serialization (#12918) 
Signed-off-by: Nick Hill <nhill@redhat.com>
 2025-02-10 11:35:56 +08:00
afeldman-nmrshaw@neuralmagic.com <rshaw@neuralmagic.com>Nick Hill
 		0630d4537a [V1] Logprobs and prompt logprobs support (#9880) 
This PR is adding support for sample logprobs & prompt logprobs to vLLM v1.

New behavior:

- During model execution, model runner computes sample logprobs (if user-provided logprobs setting is not None) and prompt logprobs (if user-provided prompt_logprobs setting is not None). For both sample and prompt logprobs, the engine core returns 3 vectors: token ids, token logprob values, token ranks. Ranks reflect tokens' 1-indexed positions in the vocabulary vector after sorting the vocabulary by log probability in descending order.
- In scheduler.update_from_output(), sample and prompt logprobs are incorporated into the EngineCoreOutput data structure which is transferred to the engine client. If multiprocessing is enabled, then sample and prompt logprobs will be (de)serialized when the EngineCoreOutput data structure is (de)serialized.
- During output processing, the LogprobsProcessor transforms the triplet of token ids, token logprobs values, and token ranks into the OpenAI-compatible List[Dict[token id,Logprob]] format (for sample and prompt logprobs respectively.)
- Each Logprob instance (whether sample- or prompt-) consists of a token's log-probability, rank, and detokenized string representation. Note that logprob detokenization is handled by the LogprobsProcessor not the detokenizer.

Signed-off-by: Andrew Feldman <afeldman@neuralmagic.com>
Signed-off-by: Nick Hill <nhill@redhat.com>
Signed-off-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>


Co-authored-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>
Co-authored-by: Nick Hill <nhill@redhat.com>
 2025-02-07 07:26:20 -08:00
Nick Hill 3d09e592a8 [V1][Misc] Shorten FinishReason enum and use constant strings (#12760) 2025-02-04 22:43:02 -08:00
Mark McLoughlin 233df6f5c4 [V1][Metrics] Add request_success_total counter, labelled with finish reason (#12579) 
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
 2025-02-04 19:46:54 -05:00
Russell Bryant e489ad7a21 [Misc] Add SPDX-License-Identifier headers to python source files (#12628) 
- **Add SPDX license headers to python source files**
- **Check for SPDX headers using pre-commit**

commit 9d7ef44c3cfb72ca4c32e1c677d99259d10d4745
Author: Russell Bryant <rbryant@redhat.com>
Date:   Fri Jan 31 14:18:24 2025 -0500

    Add SPDX license headers to python source files
    
This commit adds SPDX license headers to python source files as
recommended to
the project by the Linux Foundation. These headers provide a concise way
that is
both human and machine readable for communicating license information
for each
source file. It helps avoid any ambiguity about the license of the code
and can
    also be easily used by tools to help manage license compliance.
    
The Linux Foundation runs license scans against the codebase to help
ensure
    we are in compliance with the licenses of the code we use, including
dependencies. Having these headers in place helps that tool do its job.
    
    More information can be found on the SPDX site:
    
    - https://spdx.dev/learn/handling-license-info/
    
    Signed-off-by: Russell Bryant <rbryant@redhat.com>

commit 5a1cf1cb3b80759131c73f6a9dddebccac039dea
Author: Russell Bryant <rbryant@redhat.com>
Date:   Fri Jan 31 14:36:32 2025 -0500

    Check for SPDX headers using pre-commit
    
    Signed-off-by: Russell Bryant <rbryant@redhat.com>

---------

Signed-off-by: Russell Bryant <rbryant@redhat.com>
 2025-02-02 11:58:18 -08:00
Cody Yu 7206ce4ce1 [Core] Support reset_prefix_cache (#12284) 2025-01-22 18:52:27 +00:00
Robert Shaw 9597a095f2 [V1][Core][1/n] Logging and Metrics (#11962) 
Signed-off-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>
 2025-01-12 21:02:02 +00:00
Roger Wang b25cfab9a0 [V1] Avoid sending text prompt to core engine (#11963) 
Signed-off-by: Roger Wang <ywang@roblox.com>
 2025-01-12 06:36:38 +00:00
Roger WangandDarkLight1337 91b361ae89 [V1] Extend beyond image modality and support mixed-modality inference with Llava-OneVision (#11685) 
Signed-off-by: Roger Wang <ywang@roblox.com>
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
Co-authored-by: DarkLight1337 <tlleungac@connect.ust.hk>
 2025-01-06 19:58:16 +00:00
Robert Shaw 4fb8e329fd [V1] [5/N] API Server: unify Detokenizer and EngineCore input (#11545) 
Signed-off-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>
 2024-12-28 20:51:57 +00:00