llc_read_write (L3 Cache Read/Write Rate)

The timeline information of the L3 cache read/write rate data is displayed at the LLC layer in the msprof_*.json file, and the summary information is summarized in the llc_read_write_*.csv file.

Applicability

Product	Supported
Atlas A3 training product/Atlas A3 inference product	√
Atlas A2 training product/Atlas A2 inference product	√
Atlas 200I/500 A2 inference product	√
Atlas inference product	√
Atlas training product	√
Atlas 350 Accelerator Card	√

Data at the LLC Layer in msprof_*.json

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

Figure 1 LLC layer

**Table 1** Field description
Field	Description
LLC <id> Read/Throughput LLC <id> Write/Throughput	L3 cache read and write throughputs
LLC <id> Read/Hit Rate LLC <id> Write/Hit Rate	L3 cache read and write hit rates

llc_read_write_*.csv File

The following shows the file content format.

Figure 2 llc_read_write_*.csv

**Table 2** Field description
Field	Description
Device_id	Device ID.
Mode	Mode.
Task	Task ID
Hit Rate(%)	L3 cache hit rate.
Throughput(MB/s)	L3 cache throughput, in MB/s.

Parent topic: Profile Data File References