IEIT Systems Co., Ltd. meta brain i24G8 1103410 SPECjbb2015-MultiJVM max-jOPS
704876 SPECjbb2015-MultiJVM critical-jOPS
Tested by: IEIT Systems Co., Ltd. Test Sponsor: IEIT Systems Co., Ltd. Test location: Jinan, China Test date: Jun 24, 2025
SPEC license #: 3358 Hardware Availability: Jul-2025 Software Availability: Apr-2025 Publication: Thu Jul 24 15:43:07 EDT 2025
Benchmark Results Summary
 
Overall Throughput RT curve
Overall SUT (System Under Test) Description
VendorIEIT Systems Co., Ltd.
Vendor URLhttps://www.ieisystem.com/
System SourceSingle Supplier
System DesignationServer Rack
Total Systems1
All SUT Systems IdenticalYES
Total Nodes1
All Nodes IdenticalYES
Nodes Per System1
Total Chips2
Total Cores256
Total Threads512
Total Memory Amount (GB)1536
Total OS Images1
SW EnvironmentNon-virtual
 
Hardware hw_1
Namemeta brain i24G8
VendorIEIT Systems Co., Ltd.
Vendor URLhttps://www.ieisystem.com/
AvailableJul-2025
Modelmeta brain i24G8
Form Factor2U
CPU NameIntel Xeon 6980P
CPU Characteristics128 Core, 2.00 GHz, 504 MB L3 Cache (Turbo Boost Technology up to 3.90 GHz)
Number of Systems1
Nodes Per System1
Chips Per System2
Cores Per System256
Cores Per Chip128
Threads Per System512
Threads Per Core2
Version03.05.00
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 Cache504 MB (I+D) on chip per chip
Other CacheNone
Disk1 x 4TB NVMe SSD
File Systemxfs
Memory Amount (GB)1536
# and size of DIMM(s)24 x 64 GB
Memory Details24 x 64 GB 2Rx4 PC5-88/64B-H
# and type of Network Interface Cards (NICs)1 x 10 Gbit NIC
Power Supply Quantity and Rating (W)4 x 2700W
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 24.0.1
VendorOracle
Vendor URLhttp://www.oracle.com
VersionJava HotSpot 64-bit Server VM, version 24.0.1
AvailableApr-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
  • 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(12), jvm_TxInjector_1(12)
OS Image Description os_1
Tuning
  • ulimit -n 131072
  • tuned-adm profile throughput-performance
  • echo 10000 > /proc/sys/kernel/sched_cfs_bandwidth_slice_us
  • echo 0 > /proc/sys/kernel/sched_child_runs_first
  • echo 16000000 > /sys/kernel/debug/sched/latency_ns
  • echo 1000 > /sys/kernel/debug/sched/migration_cost_ns
  • echo 28000000 > /sys/kernel/debug/sched/min_granularity_ns
  • 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 1 > /sys/kernel/debug/sched/tunable_scaling
  • echo 50000000 > /sys/kernel/debug/sched/wakeup_granularity_ns
  • 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 40000 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
  • echo 600 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
  • echo always > /sys/kernel/mm/transparent_hugepage/defrag
  • echo always > /sys/kernel/mm/transparent_hugepage/enabled
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 -Xms31g -Xmx31g -Xmn29g -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 -XX:ParallelGCThreads=42
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=2 --localalloc
  • Group4:numactl --cpunodebind=3 --localalloc
  • Group5:numactl --cpunodebind=4 --localalloc
  • Group6:numactl --cpunodebind=5 --localalloc
  • Group7:numactl --cpunodebind=0 --localalloc
  • Group8:numactl --cpunodebind=1 --localalloc
  • Group9:numactl --cpunodebind=2 --localalloc
  • Group10:numactl --cpunodebind=3 --localalloc
  • Group11:numactl --cpunodebind=4 --localalloc
  • Group12:numactl --cpunodebind=5 --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=2 --localalloc
  • Group4:numactl --cpunodebind=3 --localalloc
  • Group5:numactl --cpunodebind=4 --localalloc
  • Group6:numactl --cpunodebind=5 --localalloc
  • Group7:numactl --cpunodebind=0 --localalloc
  • Group8:numactl --cpunodebind=1 --localalloc
  • Group9:numactl --cpunodebind=2 --localalloc
  • Group10:numactl --cpunodebind=3 --localalloc
  • Group11:numactl --cpunodebind=4 --localalloc
  • Group12:numactl --cpunodebind=5 --localalloc
Notes None
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Fail Fail Fail
jOPS 1091150 1103410 1115670 1127930 1140190
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 484274 619135 766257 852078 888858 704876
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 12260 / 24520 - / 12260 - / 12260 - / 12260 - / 12260 - / 12260
1000us 894988 / 907248 49040 / 61301 24520 / 36780 12260 / 24520 - / 12260 - / 12260
5000us 1005329 / 1017589 894988 / 907248 662046 / 649786 563965 / 576225 392324 / 404584 - / 12260
10000us 1017589 / 1029849 944028 / 956289 809167 / 821427 747867 / 760127 478144 / 490404 - / 12260
25000us 1042109 / 1054369 980809 / 993069 870468 / 882728 821427 / 833687 613005 / 625266 - / 12260
50000us 1042109 / 1054369 993069 / 1005329 919508 / 931768 882728 / 894988 760127 / 772387 367803 / 61301
75000us 1054369 / 1066630 1017589 / 1029849 944028 / 956289 907248 / 919508 845948 / 858208 453624 / 465884
100000us 1054369 / 1066630 1017589 / 1029849 956289 / 968549 944028 / 956289 882728 / 894988 576225 / 527185
200000us 1078890 / 1091150 1042109 / 1054369 993069 / 1005329 968549 / 980809 956289 / 968549 845948 / 858208
500000us 1103410 / - 1078890 / 1091150 1042109 / 1054369 1042109 / 1054369 1017589 / 1029849 956289 / 968549
1000000us 1103410 / - 1103410 / - 1091150 / 1103410 1078890 / 1091150 1066630 / 1078890 1029849 / 1017589
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 512 {Tier1=336, Tier2=15, Tier3=36}
specjbb.group.count 1 12
specjbb.mapreducer.pool.size 512 223
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 1226011 IR
High-bound (settled) is 1159247 IR