Altera Stratix V Avalon-ST User Manual
Page 39
Parameter
Value
Description
RX Buffer credit
allocation -
performance for
received requests
Minimum
Low
Balanced
High
Maximum
Determines the allocation of posted header credits, posted
data credits, non-posted header credits, completion header
credits, and completion data credits in the 16 KByte RX buffer.
The 5 settings allow you to adjust the credit allocation to
optimize your system. The credit allocation for the selected
setting displays in the message pane.
Refer to the Throughput Optimization chapter for more
information about optimizing performance. The Flow Control
chapter explains how the RX credit allocation and the
Maximum payload RX Buffer credit allocation and the
Maximum payload size that you choose affect the allocation
of flow control credits. You can set the Maximum payload
size parameter on the Device tab.
The Message window dynamically updates the number of
credits for Posted, Non-Posted Headers and Data, and
Completion Headers and Data as you change this selection.
4-2
System Settings
UG-01097_avst
2014.08.18
Altera Corporation
Parameter Settings