NIRFSA_ATTR_HOST_DMA_BUFFER_SIZE
- Updated2024-05-08
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NIRFSA_ATTR_HOST_DMA_BUFFER_SIZE
Specific Attribute
| Data type |
Access | High Level Functions |
|---|---|---|
| ViInt64 | R/W | None |
Description
Specifies the size of the DMA buffer in computer memory, in bytes. To set this attribute, the NI-RFSA device must be in the Configuration state.
A sufficiently large host DMA buffer improves performance by allowing large fetches to be transferred more efficiently.
Default Value: 8 MB
Supported Devices: PXI-5820/5830/5831/5840/5841