l2_cache (L2 Cache Hit Ratio)

The L2 cache data does not contain the timeline information. The summary information is summarized in the l2_cache_*.csv file.

Availability

Atlas Training Series Product

l2_cache_*.csv File

The file content is formatted as follows.

Figure 1 l2_cache_*.csv

For the Atlas Training Series Product, the Hit Rate and Victim Rate data of the first operator in this file is not used for reference. For the , the data of the first operator in this file is missing. This does not affect the overall performance analysis.

Table 1 Field description

Field

Description

Device_id

Device ID.

Stream Id

ID of the stream where a task is located.

Task Id

Task ID.

Hit Rate

Ratio of the number of times that memory access requests hit L2 to the total number of memory access requests.

Victim Rate

Ratio of the number of times that memory access requests are missed and data in the cache is swapped out to the total number of memory access requests.

Op Name

Operator name.