OS Images |
os_Image_1(1)
|
Hardware Description |
hw_1
|
Number of Systems |
1
|
SW Environment |
non-virtual
|
Tuning |
BIOS Settings: - NUMA nodes per socket = NPS2
- Determinism Control = Manual
- Determinism Slider = Power
- cTDP Control = Manual
- cTDP = 240
- Package Power Limit Control = Manual
- Package Power Limit = 240
- Memory Clock Speed = 1467MHz
- L1 Stream HW Prefetcher = Disable
- L2 Stream HW Prefetcher = Disable
|
Notes |
None
|
|
JVM Instances |
jvm_Composite_1(1)
|
OS Image Description |
os_1
|
Tuning |
- cpupower -c all frequency-set -g performance
- tuned-adm profile throughput-performance
- echo 400000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 50000 > /proc/sys/kernel/sched_wakeup_granularity_ns
- echo 50000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 128 > /proc/sys/kernel/sched_nr_migrate
- echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 400000 > /proc/sys/kernel/sched_latency_ns
- echo 10000 > /proc/sys/vm/dirty_expire_centisecs
- echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
- echo 40 > /proc/sys/vm/dirty_ratio
- echo 10 > /proc/sys/vm/dirty_background_ratio
- echo 10 > /proc/sys/vm/swappiness
- echo 0 > /proc/sys/kernel/numa_balancing
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- Add cgroup_disable=memory,cpu,cpuacct,blkio,hugetlb,pids,cpuset,perf_event,freezer,devices,net_cls,net_prio to GRUB_CMDLINE_LINUX_DEFAULT
- ulimit -n 1024000
- UserTasksMax=970000
- DefaultTasksMax=970000
|
Notes |
None
|
Parts of Benchmark |
Composite
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms126g -Xmx126g -Xmn122g -server -XX:+UseParallelOldGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=15 -XX:+ScavengeBeforeFullGC -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=96 -XX:-UseBiasedLocking -XX:SurvivorRatio=42 -XX:TargetSurvivorRatio=95 -XX:+UseTransparentHugePages -XX:InlineSmallCode=10k -XX:LoopUnrollLimit=1000 -XX:+UseNUMA -XX:-UseNUMAInterleaving -XX:-UseAdaptiveNUMAChunkSizing -XX:+UseCompressedOops -XX:ObjectAlignmentInBytes=32 -XX:CICompilerCount=32
|
Tuning |
None
|
Notes |
Used numactl to run on all available nodes - numactl --cpunodebind=0-3 --interleave=0-3
|
|