Latency Test Results - UG1586

Onload User Guide (UG1586)

Document ID
UG1586
Release Date
2025-11-03
Revision
1.31 English

The table below shows the results of running the tests described in Latency Tests. The times given are ½ RTT latency for a 4 byte message, to the nearest nanosecond.

Table 1. ½ RTT Latency for a 4 Byte Message at 10  Gb
Acceleration Protocol Median Notes Description
ef_vi UDP 590 ns eflatency Layer 2 ef_vi Latency
TCPDirect UDP 635 ns zfudppingpong TCPDirect Latency
TCP 640 ns zftcppingpong TCPDirect Latency
Onload UDP 717 ns sfnt-pingpong Onload Latency
TCP 794 ns sfnt-pingpong Onload Latency

These tests have also been repeated with different payloads, to generate the graphs in Latency against Payload.