---
title: ISP
description: "| 措施 | 相关接口/参数 | 收益 | 影响 | 注意 | proc信息 |"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/others/ispdevug/ispdevug_0225.html
sourcePath: /source/zh/canncommercial/900/others/ispdevug/ispdevug_0225.html
indexId: 49048b66b8cb766257086bc69e8160ce558740cbc1fb55acc04a1d1f1db5ece864
---
# ISP

| 措施 | 相关接口/参数 | 收益 | 影响 | 注意 | proc信息 |
| --- | --- | --- | --- | --- | --- |
| 离线通路时，按场景合理设置be config buffer个数。 | hi\_mpi\_isp\_set\_ctrl\_param：be\_buf\_num | 可节省部分MMZ内存 | 需要用户保证buffer大小设置合理，否则可能会出现获取be config buffer异常。 | \- | cat /proc/umap/isp MODULE/CONTROL PARAM：BeBufNum |