Arb:Data Transfer:Advanced:Preferred Packet Size Property

NI RF Signal Generators Help (NI-RFSG 18.1)


Edition Date: June 2018
Part Number: 371025V-01
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Short Name: Preferred Packet Size

Property of niRFSG

Specifies the preferred size of the data field in a PCI Express read request packet.

In general, the larger the packet size, the more efficiently the device uses the bus. By default, RF signal generators use the largest packet size allowed by the system. However, due to different system implementations, some systems may perform better with smaller packet sizes.

Recommended values for this property are powers of two between 64 and 512.

Note  In some cases, the RF signal generator generates packets smaller than the preferred size you set with this property.

Supported Devices: PXI-5670/5671, PXIe-5672/5673/5673E

Related Topics

Improving Streaming Performance

Remarks

The following table lists the characteristics of this property.

Datatype iL
PermissionsRead/Write
High-level VIs N/A
Channel-based No
ResettableYes

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