---
title: HcclReduceOp
description: "定义集合通信reduce操作的类型。"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/hcclug/hcclcpp_07_0039.html
sourcePath: /source/zh/canncommercial/900/API/hcclug/hcclcpp_07_0039.html
indexId: 32ec2b8bceeec41febcdb229ad9fa204ba643e3a20edd2537198db0d10c394c061
---
# HcclReduceOp

#### 功能说明

定义集合通信reduce操作的类型。


#### 定义原型

```
typedef enum {
    HCCL_REDUCE_SUM = 0,    /* sum */
    HCCL_REDUCE_PROD = 1,   /* prod */
    HCCL_REDUCE_MAX = 2,    /* max */
    HCCL_REDUCE_MIN = 3,    /* min */
    HCCL_REDUCE_RESERVED    /* reserved */
} HcclReduceOp;
```