On-Chip Memory Read/Write Rate.

The timeline information of the on-chip memory read/write rate data is displayed in the msprof_*.json file, and the summary information is summarized in the ddr_*.csv and hbm_*.csv files.

Applicability

Product	Supported
Atlas 350 Accelerator Card	√
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	√

On-Chip Memory Data in the msprof_*.json File

The following figure shows data at the on-chip memory in the msprof_*.json file.

Figure 1 On-chip memory 1

Figure 2 On-chip memory 2

The preceding figure shows the read/write speed of the on-chip memory. The unit is MB/s.

ddr_*.csv File

The following shows the file content format.

Figure 3 ddr_*.csv

**Table 1** Field description
Field	Description
Device_id	Device ID.
Metric	Metric.
Read(MB/s)	Read bandwidth (MB/s).
Write(MB/s)	Write bandwidth (MB/s).

hbm_*.csv File

The following shows the file content format.

Figure 4 hbm_*.csv

**Table 2** Field description
Field	Description
Device_id	Device ID.
Metric	Statistical item, whose value is the ID of the memory access unit.
Read(MB/s)	Read bandwidth (MB/s).
Write(MB/s)	Write bandwidth (MB/s).

Parent topic: Profile Data File References