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shenlei1020 avatar shenlei1020 commented on July 23, 2024

感谢您的反馈,如果我没理解错,您是用一个query对1000个passages进行rerank,然后取top 40是吗?以下是几点建议:
1、我们的bce-reranker-base_v1是base规模的bert模型,是市面上开源的最小reranker模型了;
2、根据我们的经验,利用onnxruntime部署reranker模型,就可以高并发低延迟;
3、关于使用的经验:reranker尽量不要去rerank 1000这么大量级的passages。一般我们实践经验,embedding最多召回top 100,reranker最多对这100个passage进行rerank就可以实现很好的性能,对1000做rerank,很多低质量passages浪费算力;
4、综合步骤2(onnxruntime+组batch+多进程多线程)+步骤3(最多rerank 100个embedding召回片段),可以在3090上单卡实现,对100 个passages做rerank不超过200 ms。

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shilei4260 avatar shilei4260 commented on July 23, 2024

好的,感谢明白了。

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shilei4260 avatar shilei4260 commented on July 23, 2024

有具体的实现教程吗,网上没看到转reranker转onnx的教程

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deku0818 avatar deku0818 commented on July 23, 2024

感谢您的反馈,如果我没理解错,您是用一个query对1000个passages进行rerank,然后取top 40是吗?以下是几点建议: 1、我们的bce-reranker-base_v1是base规模的bert模型,是市面上开源的最小reranker模型了; 2、根据我们的经验,利用onnxruntime部署reranker模型,就可以高并发低延迟; 3、关于使用的经验:reranker尽量不要去rerank 1000这么大量级的passages。一般我们实践经验,embedding最多召回top 100,reranker最多对这100个passage进行rerank就可以实现很好的性能,对1000做rerank,很多低质量passages浪费算力; 4、综合步骤2(onnxruntime+组batch+多进程多线程)+步骤3(最多rerank 100个embedding召回片段),可以在3090上单卡实现,对100 个passages做rerank不超过200 ms。

请问有示例吗?

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shguan2018 avatar shguan2018 commented on July 23, 2024

有没有测试例子?另外, passage 一般是多长的字符?

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goodstudy12 avatar goodstudy12 commented on July 23, 2024

感谢您的反馈,如果我没理解错,您是用一个query对1000个passages进行rerank,然后取top 40是吗?以下是几点建议: 1、我们的bce-reranker-base_v1是base规模的bert模型,是市面上开源的最小reranker模型了; 2、根据我们的经验,利用onnxruntime部署reranker模型,就可以高并发低延迟; 3、关于使用的经验:reranker尽量不要去rerank 1000这么大量级的passages。一般我们实践经验,embedding最多召回top 100,reranker最多对这100个passage进行rerank就可以实现很好的性能,对1000做rerank,很多低质量passages浪费算力; 4、综合步骤2(onnxruntime+组batch+多进程多线程)+步骤3(最多rerank 100个embedding召回片段),可以在3090上单卡实现,对100 个passages做rerank不超过200 ms。

是否可以在cpu下运行达到这个速度呐

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