Stars Chip Trans (Inter-Chip Transmission Bandwidth Information)

The inter-chip transmission bandwidth data does not contain summary information. The timeline information is displayed at the Stars Chip Trans layer in the msprof_*.json 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	x
Atlas inference product	x
Atlas training product	x
Atlas 350 Accelerator Card	√

Data at the Stars Chip Trans Layer in msprof_*.json

The following figure shows data at the Stars Chip Trans layer in the msprof_*.json file.

Figure 1 Stars chip trans layer

Figure 2 Stars chip trans layer

**Table 1** Field description
Field	Description
PA Link Rx	Rx traffic of PA. When there is HCCS bandwidth, you are advised not to refer to this field value, as this field is a coarse-grained statistical value. Atlas 350 Accelerator Card does not support this data.
PA Link Tx	Tx traffic of PA. When there is HCCS bandwidth, you are advised not to refer to this field value, as this field is a coarse-grained statistical value. Atlas 350 Accelerator Card does not support this data.
PCIE Read Bandwidth	PCIe read bandwidth. When there is PCIe bandwidth, you are not advised referring to this field value, as this field is a coarse-grained statistical value. Only the Atlas 350 Accelerator Card supports this data.
PCIE Write Bandwidth	PCIe write bandwidth. When there is PCIe bandwidth, you are not advised referring to this field value, as this field is a coarse-grained statistical value. Only the Atlas 350 Accelerator Card supports this data.

Parent topic: Profile Data File References