Supermicro Hyper A+ Server AS -2126HS-TN 753796 SPECjbb2015-MultiJVM max-jOPS
365455 SPECjbb2015-MultiJVM critical-jOPS
Tested by: Supermicro Test Sponsor: Supermicro Test location: San Jose, California Test date: September 07, 2025
SPEC license #: 001176 Hardware Availability: Oct-2024 Software Availability: Jul-2025 Publication: Thu Oct 2 17:43:26 EDT 2025
Benchmark Results Summary
 
Overall Throughput RT curve
Overall SUT (System Under Test) Description
VendorSupermicro
Vendor URLhttps://www.supermicro.com
System SourceSingle Supplier
System DesignationServer Rack
Total Systems1
All SUT Systems IdenticalYES
Total Nodes1
All Nodes IdenticalYES
Nodes Per System1
Total Chips2
Total Cores128
Total Threads256
Total Memory Amount (GB)1536
Total OS Images1
SW EnvironmentNon-virtual
 
Hardware hw_1
NameHyper A+ Server AS -2126HS-TN
VendorSupermicro
Vendor URLhttps://www.supermicro.com
AvailableOct-2024
ModelH14DSH
Form Factor2U
CPU NameAMD EPYC 9575F
CPU Characteristics64 core, 3.3 GHz, 256 MB L3 Cache (Max. Boost Clock up to 5.0 GHz)
Number of Systems1
Nodes Per System1
Chips Per System2
Cores Per System128
Cores Per Chip64
Threads Per System256
Threads Per Core2
Version1.2 01/21/2025
CPU Frequency (MHz)3300
Primary Cache32 KB(I) + 48 KB(D) per core
Secondary Cache1 MB (I+D) per core
Tertiary Cache256 MB (I+D) on chip per chip
Other CacheNone
Disk1 x 500 GB NVMe PCIe Gen4.0
File Systembtrfs
Memory Amount (GB)1536
# and size of DIMM(s)24 x 64 GB
Memory Details64 GB 2Rx4 DDR5 6400 MHz
# and type of Network Interface Cards (NICs)1 x 1 GbE NIC
Power Supply Quantity and Rating (W)2 x 2000w
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://suse.com/
Version6.4.0-150600.23.53-default
AvailableJun-2025
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 24.0.2
VendorOracle
Vendor URLhttps://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 Settings:

  • NUMA nodes per socket = NPS4
  • Determinism Control = Manual
  • Determinism Enable = Power
  • xGMI Link Configuration = 4 xGMI Links
  • 4 Link xGMI max speed = 32Gbps
  • TDP Control = Manual
  • TDP = 400
  • Package Power Limit Control = Manual
  • Package Power Limit = 400

Notes None
OS Image os_Image_1
JVM Instances jvm_Ctr_1(1), jvm_Backend_1(16), jvm_TxInjector_1(16)
OS Image Description os_1
Tuning

  • cpupower -c all frequency-set -g performance
  • tuned-adm profile throughput-performance
  • ulimit -n 1024000

  • echo 960000 > /proc/sys/kernel/sched_rt_runtime_us
  • echo 800000000 > /proc/sys/kernel/sched_latency_ns
  • echo 40000 > /proc/sys/kernel/sched_migration_cost_ns
  • echo 410000000 > /proc/sys/kernel/sched_min_granularity_ns
  • echo 2000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
  • echo 9000 > /proc/sys/kernel/sched_nr_migrate
  • 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 0 > /proc/sys/vm/numa_stat
  • echo always > /sys/kernel/mm/transparent_hugepage/enabled
  • echo always > /sys/kernel/mm/transparent_hugepage/defrag

Notes None
JVM Instance jvm_Ctr_1
Parts of Benchmark Controller
JVM Instance Description jvm_1
Command Line

-Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=1 -XX:CICompilerCount=2

Tuning

Used numactl to interleave memory on all CPUs

  • numactl --interleave=all

Notes None
JVM Instance jvm_Backend_1
Parts of Benchmark Backend
JVM Instance Description jvm_1
Command Line

-Xms31g -Xmx31g -Xmn29g -XX:AllocatePrefetchInstr=2 -XX:+UseParallelGC -XX:ParallelGCThreads=16 -XX:LargePageSizeInBytes=2m -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=95 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=11k -XX:MaxGCPauseMillis=100 -XX:LoopUnrollLimit=200 -XX:+UseTransparentHugePages -XX:TLABAllocationWeight=2 -XX:ThreadStackSize=140 -XX:CompileThresholdScaling=120 -XX:CICompilerCount=4 -XX:AutoBoxCacheMax=32 -XX:OnStackReplacePercentage=100 -XX:TLABSize=1m -XX:MinTLABSize=1m -XX:-ResizeTLAB -XX:TLABWasteTargetPercent=1 -XX:TLABWasteIncrement=1 -XX:YoungPLABSize=1m -XX:OldPLABSize=1m

Tuning

Used numactl to affinitize each Backend JVM to 8 Core / 16 Threads

  • Group1: --physcpubind=0-7,128-135 --localalloc
  • Group2: --physcpubind=8-15,136-143 --localalloc
  • Group3: --physcpubind=16-23,144-151 --localalloc
  • Group4: --physcpubind=24-31,152-159 --localalloc
  • Group5: --physcpubind=32-39,160-167 --localalloc
  • Group6: --physcpubind=40-47,168-175 --localalloc
  • Group7: --physcpubind=48-55,176-183 --localalloc
  • Group8: --physcpubind=56-63,184-191 --localalloc
  • Group9: --physcpubind=64-71,192-199 --localalloc
  • Group10: --physcpubind=72-79,200-207 --localalloc
  • Group11: --physcpubind=80-87,208-215 --localalloc
  • Group12: --physcpubind=88-95,216-223 --localalloc
  • Group13: --physcpubind=96-103,224-231 --localalloc
  • Group14: --physcpubind=104-111,232-239 --localalloc
  • Group15: --physcpubind=112-119,240-247 --localalloc
  • Group16: --physcpubind=120-127,248-255 --localalloc

Notes None
JVM Instance jvm_TxInjector_1
Parts of Benchmark TxInjector
JVM Instance Description jvm_1
Command Line

-Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=1 -XX:CICompilerCount=2

Tuning

Used numactl to affinitize each Transaction Injector JVM to 8 Core/16 Threads

  • Group1: --physcpubind=0-7,128-135 --localalloc
  • Group2: --physcpubind=8-15,136-143 --localalloc
  • Group3: --physcpubind=16-23,144-151 --localalloc
  • Group4: --physcpubind=24-31,152-159 --localalloc
  • Group5: --physcpubind=32-39,160-167 --localalloc
  • Group6: --physcpubind=40-47,168-175 --localalloc
  • Group7: --physcpubind=48-55,176-183 --localalloc
  • Group8: --physcpubind=56-63,184-191 --localalloc
  • Group9: --physcpubind=64-71,192-199 --localalloc
  • Group10: --physcpubind=72-79,200-207 --localalloc
  • Group11: --physcpubind=80-87,208-215 --localalloc
  • Group12: --physcpubind=88-95,216-223 --localalloc
  • Group13: --physcpubind=96-103,224-231 --localalloc
  • Group14: --physcpubind=104-111,232-239 --localalloc
  • Group15: --physcpubind=112-119,240-247 --localalloc
  • Group16: --physcpubind=120-127,248-255 --localalloc

Notes None
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Pass Fail Fail
jOPS 737585 745690 753796 761901 770006
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 229651 311244 401214 464319 489561 365455
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 16211 / 24316 8105 / 16211 - / 8105 - / 8105 - / 8105 - / 8105
1000us 129685 / 137791 32421 / 40527 16211 / 24316 16211 / 24316 - / 8105 - / 8105
5000us 583584 / 591689 421477 / 429582 154001 / 162107 145896 / 154001 121580 / 129685 - / 8105
10000us 591689 / 599794 551162 / 559268 453898 / 462004 389056 / 380951 235055 / 218844 8105 / 16211
25000us 599794 / 607900 575478 / 583584 510636 / 518741 462004 / 470109 340424 / 267476 8105 / 16211
50000us 607900 / 616005 583584 / 591689 534952 / 543057 510636 / 518741 421477 / 380951 8105 / 16211
75000us 616005 / 624110 591689 / 599794 559268 / 567373 534952 / 543057 478214 / 429582 8105 / 16211
100000us 624110 / 632216 599794 / 607900 567373 / 575478 559268 / 567373 502530 / 470109 162107 / 16211
200000us 680848 / 672742 624110 / 632216 599794 / 607900 591689 / 599794 559268 / 543057 340424 / 105369
500000us 745690 / 753796 705164 / 713269 656532 / 664637 640321 / 648426 632216 / 640321 421477 / 218844
1000000us 753796 / - 745690 / 753796 729480 / 737585 729480 / 737585 705164 / 713269 607900 / 599794
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 Group1.Backend.beJVM Group1.TxInjector.txiJVM1 Group10.Backend.beJVM Group10.TxInjector.txiJVM1 Group11.Backend.beJVM Group11.TxInjector.txiJVM1 Group12.Backend.beJVM Group12.TxInjector.txiJVM1 Group13.Backend.beJVM Group13.TxInjector.txiJVM1 Group14.Backend.beJVM Group14.TxInjector.txiJVM1 Group15.Backend.beJVM Group15.TxInjector.txiJVM1 Group16.Backend.beJVM Group16.TxInjector.txiJVM1 Group2.Backend.beJVM Group2.TxInjector.txiJVM1 Group3.Backend.beJVM Group3.TxInjector.txiJVM1 Group4.Backend.beJVM Group4.TxInjector.txiJVM1 Group5.Backend.beJVM Group5.TxInjector.txiJVM1 Group6.Backend.beJVM Group6.TxInjector.txiJVM1 Group7.Backend.beJVM Group7.TxInjector.txiJVM1 Group8.Backend.beJVM Group8.TxInjector.txiJVM1 Group9.Backend.beJVM Group9.TxInjector.txiJVM1
specjbb.comm.connect.client.pool.size 256 150 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170
specjbb.comm.connect.selector.runner.count 0 10 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5
specjbb.comm.connect.timeouts.connect 60000 900000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000
specjbb.comm.connect.timeouts.read 60000 800000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000
specjbb.comm.connect.timeouts.write 60000 800000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000 60000
specjbb.comm.connect.worker.pool.max 256 150 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200 256 200
specjbb.comm.connect.worker.pool.min 1 16 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32
specjbb.controller.maxir.maxFailedPoints 3 1
specjbb.customerDriver.threads 64 {probe=120, saturate=120, service=70}
specjbb.forkjoin.workers 256 {Tier1=565, Tier2=20, Tier3=60}
specjbb.group.count 1 16
specjbb.mapreducer.pool.size 256 10
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 810533 IR
High-bound (settled) is 785094 IR