Tuning Recommendations - Xilinx Alveo X3522 User Manual

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Installation manual (38 pages)

Table Of Contents

Table of Contents

Memory Bandwidth

Many chipsets use multiple channels to access main system memory. Maximum memory

performance is only achieved when the chipset can make use of all channels simultaneously. This

should be taken into account when selecting the number of memory modules (DIMMs) to

populate in the server. For optimal memory bandwidth in the system, it is likely that:

• all DIMM slots should be populated

• all NUMA nodes should have memory installed.

Please consult the motherboard documentation for details.

Server Motherboard, Server BIOS, Chipset Drivers

Tuning or enabling other system capabilities might further enhance adapter performance.

Readers should consult their server user guide. Possible opportunities include tuning the PCIe

memory controller via the PCIe Latency Timer setting available in some BIOS versions.

Out of Scope Considerations

In addition, you might need to consider other issues influencing performance, such as application

settings, server motherboard chipset, CPU speed, cache size, RAM size, additional software

installed on the system such as a firewall, and the specification and configuration of the LAN.

Consideration of such issues is not within the scope of this guide.