Cornserve: A Distributed Serving System for Any-to-Any Multimodal Models
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914512386392064 |
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| author | Chung, Jae-Won Ma, Jeff J. Ahn, Jisang Liang, Yizhuo Jajoo, Akshay Lee, Myungjin Chowdhury, Mosharaf |
| author_facet | Chung, Jae-Won Ma, Jeff J. Ahn, Jisang Liang, Yizhuo Jajoo, Akshay Lee, Myungjin Chowdhury, Mosharaf |
| contents | Any-to-Any models are an emerging class of multimodal models that accept combinations of multimodal data (e.g., text, image, video, audio) as input and generate them as output. Serving these models are challenging; different requests with different input and output modalities traverse different paths through the model computation graph, and each component of the model have different scaling characteristics.
We present Cornserve, a distributed serving system for generic Any-to-Any models. Cornserve provides a flexible task abstraction for expressing Any-to-Any model computation graphs, enabling component disaggregation and independent scaling. The distributed runtime dispatches compute to the data plane via an efficient record-and-replay execution model that keeps track of data dependencies, and forwards tensor data between components directly from the producer to the consumer. Built on Kubernetes with approximately 23K new lines of Python, Cornserve supports diverse Any-to-Any models and delivers up to 3.81$\times$ higher throughput and 5.79$\times$ lower tail latency. Cornserve is open-source, and the demo video is available on YouTube. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_12118 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Cornserve: A Distributed Serving System for Any-to-Any Multimodal Models Chung, Jae-Won Ma, Jeff J. Ahn, Jisang Liang, Yizhuo Jajoo, Akshay Lee, Myungjin Chowdhury, Mosharaf Machine Learning Distributed, Parallel, and Cluster Computing Any-to-Any models are an emerging class of multimodal models that accept combinations of multimodal data (e.g., text, image, video, audio) as input and generate them as output. Serving these models are challenging; different requests with different input and output modalities traverse different paths through the model computation graph, and each component of the model have different scaling characteristics. We present Cornserve, a distributed serving system for generic Any-to-Any models. Cornserve provides a flexible task abstraction for expressing Any-to-Any model computation graphs, enabling component disaggregation and independent scaling. The distributed runtime dispatches compute to the data plane via an efficient record-and-replay execution model that keeps track of data dependencies, and forwards tensor data between components directly from the producer to the consumer. Built on Kubernetes with approximately 23K new lines of Python, Cornserve supports diverse Any-to-Any models and delivers up to 3.81$\times$ higher throughput and 5.79$\times$ lower tail latency. Cornserve is open-source, and the demo video is available on YouTube. |
| title | Cornserve: A Distributed Serving System for Any-to-Any Multimodal Models |
| topic | Machine Learning Distributed, Parallel, and Cluster Computing |
| url | https://arxiv.org/abs/2603.12118 |