fusion_op (Operator Fusion Information)

The data about operator fusion (before and after) does not contain the timeline information. The summary information is summarized in the fusion_op_*.csv file.

This profile data file does not exist in single-operator scenarios (such as the PyTorch scenario).

Applicable Products

For details about the mapping between AI processors and Ascend products, see Ascend Product Overview.

AI Processor Type	Supported
Ascend 950PR/Ascend 950DT	√
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas 200I/500 A2 inference products	√
Atlas inference products	√
Atlas training products	√
Ascend 950PR/Ascend 950DT	√

fusion_op_*.csv File

The file content is formatted as follows.

Figure 1 fusion_op_*.csv

**Table 1** Field description
Field	Description
Device_id	Device ID. For data collected from the host, the value is host.
Model Name	Model name.
Model ID	Model ID.
Fusion Op	Fused operator name.
Original Ops	Names of the base operators.
Memory Input(KB)	Input tensor memory size, in KB.
Memory Output(KB)	Output tensor memory size, in KB.
Memory Weight(KB)	Weight memory size, in KB.
Memory Workspace(KB)	Workspace memory size, in KB.
Memory Total(KB)	Total memory size, in KB, calculated as the sum of Memory Input, Memory Output, Memory Weight, and Memory Workspace.

Parent topic: Profile Data File References