diff options
| -rw-r--r-- | sys/conf/NOTES | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 0adb769..ea373c5 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -176,10 +176,11 @@ options ROOTDEVNAME=\"ufs:da0s2e\" # queue and no CPU affinity which makes it suboptimal for SMP. It has very # good interactivity and priority selection. # -# SCHED_ULE is a new scheduler that has been designed for SMP and has some -# advantages for UP as well. It is intended to replace the 4BSD scheduler -# over time. NOTE: SCHED_ULE is currently considered experimental and is -# not recommended for production use at this time. +# SCHED_ULE provides significant performance advantages over 4BSD on many +# workloads on SMP machines. It supports cpu-affinity, per-cpu runqueues +# and scheduler locks. It also has a stronger notion of interactivity +# which leads to better responsiveness even on uniprocessor machines. This +# will eventually become the default scheduler. # options SCHED_4BSD #options SCHED_ULE |
