Mean latency for message rates from 100K to 1.4M msgs/sec did not exceed 3.2 microseconds, and 99.9th percentile latency did not exceed 8 microseconds.

System using kdb+ 3.1 set a record for NBBO performance and was at least 2x faster in 14 of the 17 response-time benchmarks than an identical system using kdb+ 2.8.