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Co-authored-by: Chayenne <zhaochen20@outlook.com>

Co-authored-by: Edenzzzz <wtan45@wisc.edu>
Co-authored-by: Chayenne <zhaochen20@outlook.com>
Co-authored-by: Yi Zhang <1109276519@qq.com>

Co-authored-by: yinfan98 <1106310035@qq.com>

Co-authored-by: Sehoon Kim <sehoon@x.ai>

Co-authored-by: wangyu <wangyu.steph@bytedance.com>
Co-authored-by: wangyu <yuwangauto@foxmail.com>

Co-authored-by: qingquansong <qsong@linkedin.com>

Support penalty in overlap mode; return logprob with chunked prefill; improve benchmark scripts (#3988)
Co-authored-by: SangBin Cho <rkooo567@gmail.com>
Co-authored-by: dhou-xai <dhou@x.ai>
Co-authored-by: Hanming Lu <hanming_lu@berkeley.edu>

Co-authored-by: zhaochenyang20 <zhaochen20@outlook.com>

Co-authored-by: pankajroark <pankajroark@users.noreply.github.com>