[sglang] feat: add multimodal input to multiturn async rollout#2014
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zhaochenyang20 merged 65 commits intoverl-project:mainfrom Jun 22, 2025
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@nanjiangwill Is it ready for us to test it in public? |
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yes it is ready for public testing |
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Amazon/Amazing job 😂
yellowbee686
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Jun 23, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
Sirius-L1
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Jun 24, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
Tyizhanshen
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Jul 1, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
oseyosey
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Jul 28, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
whatadayG
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Sep 5, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
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chenjiaoAngel
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Nov 14, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
TimurTaepov
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Dec 20, 2025
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
oseyosey
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Jan 20, 2026
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
vyomakesh0728
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Jan 22, 2026
…project#2014) ### Checklist Before Starting - [X] Searched for similar PR(s). ### What does this PR do? This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it. ### High-Level Design Since sglang engine already handle the image input, just need to properly handling the tokenization. ### Specific Changes Change `self.tokenizer.apply_chat_template()` to `self.processing_class.apply_chat_template()`. `processing_class` could be `tokenizer` or `processor`. ### Usage Example It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available ### Checklist Before Submitting - [X] Read the [Contribute Guide](https://github.com/volcengine/verl?tab=readme-ov-file#contribution-guide). - [X] Apply [pre-commit checks](https://github.com/volcengine/verl?tab=readme-ov-file#code-linting-and-formatting). - [X] Add `[BREAKING]` to the PR title `description` if it breaks any API. - [X] Update the documentation about your changes in the [docs](https://github.com/volcengine/verl/tree/main/docs). - [X] New CI unit test(s) are added to cover the code path. - [X] Rely on existing unit tests on CI that covers the code path. --------- Co-authored-by: xieck13 <xieck13@gmail.com>
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Checklist Before Starting
What does this PR do?
This PR adds image input to sglang async rollout. Previously sglang async rollout only support text. There is also a placeholder for video data, will be added as an input when SGLang engine supports it.
High-Level Design
Since sglang engine already handle the image input, just need to properly handling the tokenization.
Specific Changes
Change
self.tokenizer.apply_chat_template()toself.processing_class.apply_chat_template().processing_classcould betokenizerorprocessor.Usage Example
It will automatically using processor to process image when the model's processor supports that. It will use tokenizer if there is no processor available
Checklist Before Submitting
[BREAKING]to the PR titledescriptionif it breaks any API.