Solarflare Solarflare XtremeScale series, User Manual, Page: 249 / 400

Solarflare Server Adapter User Guide
Solarflare Adapters on Windows
Issue 20 © Solarflare Communications 2017 242
Tuning Recommendations
The following tables provide recommendations for tuning settings for different
application characteristics.
• Throughput ‐ Table 56 on page 242
• Latency ‐ Table 57 on page 243
Table 56: Throughput Tuning Settings
Tuning Parameter How?
Intel QuickData (Intel
chipsets only)
Enable in BIOS and configure as described in guide.
Interrupt
Moderation
Leave at default (Enabled).
Adaptive Interrupt
Moderation
Leave at default (Enabled).
Interrupt
Moderation Time
Leave at default (60µs).
Large Receive
Offloads
Enable in Network Adapter Advanced Properties.
Large Send Offloads Leave at default (Enabled).
Max Frame Size Configure to maximum supported by network in
Network Adapter's Advanced Properties.
Memory bandwidth Ensure memory utilizes all memory channels on system
motherboard.
Offload Checksums Leave at default.
PCI Express Lane
Configuration
Ensure the adapter is in an x8 slot (2.0 or later), and that
current speed (not the supported speed) reads back as
“x8 and 5GT/s”, or “x8 and 8GT/s”, or “x8 and Unknown”.
Power Saving Mode Leave at default.
Receive Segment
Coalescing
Leave at default (Enabled).
Receive Side Scaling
(RSS)
Leave at default.
RSS NUMA Node Leave at default (All).
TCP Protocol Tuning Leave at default (install with “Optimize Windows TCP/IP
protocol settings for 10G networking” option selected).