Kaytus Systems Pte. Ltd. KR1180V3(KR1180-X3-A0-R0-00) 335109 SPECjbb2015-MultiJVM max-jOPS
224313 SPECjbb2015-MultiJVM critical-jOPS
Tested by: Kaytus Systems Pte. Ltd. Test Sponsor: Kaytus Systems Pte. Ltd. Test location: Singapore Test date: Aug 8, 2025
SPEC license #: 6865 Hardware Availability: Aug-2025 Software Availability: Jul-2025 Publication: Thu Sep 18 17:57:21 EDT 2025
Benchmark Results Summary
 
Overall Throughput RT curve
Overall SUT (System Under Test) Description
VendorKaytus Systems Pte. Ltd.
Vendor URLhttps://www.kaytus.com/
System SourceSingle Supplier
System DesignationServer Rack
Total Systems1
All SUT Systems IdenticalYES
Total Nodes1
All Nodes IdenticalYES
Nodes Per System1
Total Chips1
Total Cores86
Total Threads172
Total Memory Amount (GB)512
Total OS Images1
SW EnvironmentNon-virtual
 
Hardware hw_1
NameKR1180V3(KR1180-X3-A0-R0-00)
VendorKaytus Systems Pte. Ltd.
Vendor URLhttps://www.kaytus.com/
AvailableAug-2025
ModelKR1180V3(KR1180-X3-A0-R0-00)
Form Factor1U
CPU NameIntel Xeon 6787P
CPU Characteristics86 Core, 2.0 GHz, 336 MB L3 Cache (Turbo Boost Technology up to 3.80 GHz)
Number of Systems1
Nodes Per System1
Chips Per System1
Cores Per System86
Cores Per Chip86
Threads Per System172
Threads Per Core2
Version03.06.01
CPU Frequency (MHz)2000
Primary Cache64 KB(I)+48 KB(D)on chip per core
Secondary Cache2 MB (I+D) on chip per core
Tertiary Cache336 MB (I+D) on chip per chip
Other CacheNone
Disk1 x 1.92TB NVMe SSD
File Systemxfs
Memory Amount (GB)512
# and size of DIMM(s)8 x 64 GB
Memory Details8 x 64 GB 2Rx4 PC5-88/64B-H, running at 8000MHz
# and type of Network Interface Cards (NICs)1 x 10 GbE 2 ports OCP3.0 PCIe NIC
Power Supply Quantity and Rating (W)2 x 1300W
Other HardwareNone
Cabinet/Housing/EnclosureNone
Shared DescriptionNone
Shared CommentNone
Notes
  • NA: The test sponsor attests, as of date of publication, that CVE-2017-5754 (Meltdown) is mitigated in the system as tested and documented.
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5753 (Spectre variant 1) is mitigated in the system as tested and documented.
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5715 (Spectre variant 2) is mitigated in the system as tested and documented.
Other Hardware network_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Operating System os_1
NameSUSE Linux Enterprise Server 15 SP6
VendorSUSE
Vendor URLhttps://www.suse.com/
Version6.4.0-150600.21-default
AvailableJun-2024
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 24.0.2
VendorOracle
Vendor URLhttp://www.oracle.com
VersionJava HotSpot 64-bit Server VM, version 24.0.2
AvailableJul-2025
Bitness64
NotesNone
Other Software other_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Hardware
OS Images os_Image_1(1)
Hardware Description hw_1
Number of Systems 1
SW Environment non-virtual
Tuning BIOS Tuning
  • SNC=Enabled
  • Page Policy = Adaptive
  • Latency Optimized Mode = Enabled
  • Patrol Scrub=Disabled
  • Power Performance Tuning=BIOS Controls EPB
  • ENERGY_PERF_BIAS_CFG mode=Performance
Notes None
OS Image os_Image_1
JVM Instances jvm_Ctr_1(1), jvm_Backend_1(4), jvm_TxInjector_1(4)
OS Image Description os_1
Tuning
  • ulimit -n 131072
  • echo 10000 > /proc/sys/kernel/sched_cfs_bandwidth_slice_us
  • echo 0 > /proc/sys/kernel/sched_child_runs_first
  • echo 100 > /proc/sys/kernel/sched_rr_timeslice_ms
  • echo 1000000 > /proc/sys/kernel/sched_rt_period_us
  • echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
  • echo 0 > /proc/sys/kernel/sched_schedstats
  • echo 3000 > /proc/sys/vm/dirty_expire_centisecs
  • echo 500 > /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
  • echo 50000000 > /sys/kernel/debug/sched/wakeup_granularity_ns
  • echo 1 > /sys/kernel/debug/sched/tunable_scaling
  • echo 9 > /sys/kernel/debug/sched/nr_migrate
  • echo 16000000 > /sys/kernel/debug/sched/latency_ns
  • echo 28000000 > /sys/kernel/debug/sched/min_granularity_ns
  • echo 1000 > /sys/kernel/debug/sched/migration_cost_ns
Notes None
JVM Instance jvm_Ctr_1
Parts of Benchmark Controller
JVM Instance Description jvm_1
Command Line -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
Tuning None
Notes None
JVM Instance jvm_Backend_1
Parts of Benchmark Backend
JVM Instance Description jvm_1
Command Line -XX:+UseParallelGC -XX:+UseLargePages -XX:+AlwaysPreTouch -XX:-UseAdaptiveSizePolicy -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=10k -verbose:gc -XX:-UseCountedLoopSafepoints -XX:LoopUnrollLimit=20 -server -XX:TargetSurvivorRatio=95 -XX:SurvivorRatio=28 -XX:LargePageSizeInBytes=1G -XX:MaxGCPauseMillis=500 -XX:AdaptiveSizeMajorGCDecayTimeScale=12 -XX:AdaptiveSizeDecrementScaleFactor=2 -XX:AllocatePrefetchLines=3 -XX:AllocateInstancePrefetchLines=2 -XX:AllocatePrefetchStepSize=128 -XX:AllocatePrefetchDistance=384 -Xms31744m -Xmx31744m -Xmn29696m -XX:ParallelGCThreads=43 -Xlog:pagesize=trace
Tuning numactl used to affinitize two Backend JVMs to one NUMA node
  • Group1:numactl --cpunodebind=0 --localalloc
  • Group2:numactl --cpunodebind=1 --localalloc
  • Group3:numactl --cpunodebind=0 --localalloc
  • Group4:numactl --cpunodebind=1 --localalloc
Notes None
JVM Instance jvm_TxInjector_1
Parts of Benchmark TxInjector
JVM Instance Description jvm_1
Command Line -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
Tuning numactl used to affinitize two TxInjector JVMs to one NUMA node
  • Group1:numactl --cpunodebind=0 --localalloc
  • Group2:numactl --cpunodebind=1 --localalloc
  • Group3:numactl --cpunodebind=0 --localalloc
  • Group4:numactl --cpunodebind=1 --localalloc
Notes None
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Fail Fail Fail
jOPS 331023 335109 339196 343283 347369
critical-jOPS = Geomean ( jOPS @ 10000; 25000; 50000; 75000; 100000; SLAs )
Response time percentile is 99-th
SLA (us) 10000 25000 50000 75000 100000 Geomean
jOPS 153251 185944 247245 275852 292199 224313
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 12260 / 16347 4087 / 8173 - / 4087 - / 4087 - / 4087 - / 4087
1000us 306502 / 310589 65387 / 69474 16347 / 20433 12260 / 16347 8173 / 12260 - / 4087
5000us 331023 / 335109 298329 / 302416 216595 / 220682 187988 / 192075 122601 / 126688 8173 / 4087
10000us 331023 / 335109 314676 / 318763 273809 / 277896 245202 / 249289 155295 / 151208 8173 / 4087
25000us 335109 / - 322849 / 326936 290156 / 294242 273809 / 277896 183901 / 187988 8173 / 4087
50000us 335109 / - 326936 / 331023 306502 / 310589 290156 / 294242 245202 / 249289 110341 / 12260
75000us 335109 / - 326936 / 331023 310589 / 314676 306502 / 310589 273809 / 277896 196162 / 102167
100000us 335109 / - 331023 / 335109 318763 / 322849 310589 / 314676 290156 / 294242 212508 / 167555
200000us 335109 / - 335109 / - 322849 / 326936 318763 / 322849 318763 / 322849 265635 / 269722
500000us 335109 / - 335109 / - 335109 / - 331023 / 335109 326936 / 331023 318763 / 322849
1000000us 335109 / - 335109 / - 335109 / - 335109 / - 335109 / - 331023 / 335109
Probes jOPS / Total jOPS
Request Mix Accuracy
Note
(Actual % in the Mix - Expected % in the Mix) must be within:
'Main Tx' limit of +/-5.0% for the requests whose expected % in the mix is >= 10.0%
'Minor Tx' limit of +/-1.0% for the requests whose expected % in the mix is < 10.0%
There were no non-critical failures in Response Time curve building
Delay between status pings
IR/PR Accuracy
This section lists properties only set by user
Property Name Default Controller
specjbb.comm.connect.client.pool.size 256 232
specjbb.comm.connect.selector.runner.count 0 1
specjbb.comm.connect.timeouts.connect 60000 600000
specjbb.comm.connect.timeouts.read 60000 600000
specjbb.comm.connect.timeouts.write 60000 600000
specjbb.comm.connect.worker.pool.max 256 81
specjbb.comm.connect.worker.pool.min 1 24
specjbb.customerDriver.threads 64 {=75, probe=69, saturate=85}
specjbb.forkjoin.workers 172 {Tier1=344, Tier2=16, Tier3=38}
specjbb.group.count 1 4
specjbb.mapreducer.pool.size 172 223
specjbb.txi.pergroup.count 1 1
View table in csv format
 
Level: COMPLIANCE
Check Agent Result
Check properties on compliance All PASSED
 
Level: CORRECTNESS
Check Agent Result
Compare SM and HQ Inventory All PASSED
High-bound (max attempted) is 408670 IR
High-bound (settled) is 350701 IR