Documentation

llc_bandwidth (L3 Cache Bandwidth)

The timeline information of the L3 cache bandwidth data is displayed at the LLC Bandwidth level in the msprof_*.json file. The summary information is summarized in the llc_bandwidth_*.csv file.

Availability

Atlas 200/300/500 Inference Product

Data at LLC Bandwidth Level in msprof_*.json

The following figure shows data at the LLC Bandwidth level in the msprof_*.json file.

Figure 1 LLC bandwidth layer.
Table 1 Field description

Field

Description

LLC/Read, LLC/Write

L3 cache read rate and L3 cache write rate.

Hit_BandWidth(MB/s)

Cache hit bandwidth (MB/s).

Hit_Rate(%)

Cache hit rate.

BandWidth(MB/s)

Bandwidth (MB/s).

llc_bandwidth_*.csv File

The file content is formatted as follows.

Figure 2 llc_bandwidth_*.csv
Table 2 Field description

Field

Description

Device_id

Device ID.

Metric

Performance metrics.

Hit_Rate(%)

Cache hit rate.

Hit_BandWidth(MB/s)

Cache hit bandwidth (MB/s).

BandWidth(MB/s)

Bandwidth (MB/s).

l3c_rd

L3 cache read rate.

l3c_wr

L3 cache write rate.