SPECjbb2015
Copyright © 2015-2025 Standard Performance Evaluation Corporation
Supermicro Hyper A+ Server AS -2126HS-TN 574178 SPECjbb2015-Composite max-jOPS
555085 SPECjbb2015-Composite critical-jOPS
Tested by: Supermicro Test Sponsor: Supermicro Test location: San Jose, California Test date: September 12, 2025
SPEC license #: 001176 Hardware Availability: Oct-2024 Software Availability: Jul-2025 Publication: Thu Oct 2 17:43:26 EDT 2025
Benchmark Results Summary
 
SPECjbb2015-Composite: Single JVM/Single Host
(# of groups: 3)
Overall Throughput RT curve
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
  
SUT Description
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
Topology
SUT config_1 Configuration
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 Slider = Power
  • xGMI Link Configuration = 4 xGMI Links
  • 4 Link xGMI max speed = 32Gbps
  • TDP Control = Manual
  • TDP = 400
  • PPT Control = Manual
  • PPT = 400
Notes None
OS Image os_Image_1
JVM Instances jvm_Composite_1(1)
OS Image Description os_1
Tuning

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

  • echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
  • echo 20000000 > /proc/sys/kernel/sched_latency_ns
  • echo 40000 > /proc/sys/kernel/sched_migration_cost_ns
  • echo 1000000 > /proc/sys/kernel/sched_min_granularity_ns
  • echo 40000 > /proc/sys/kernel/sched_wakeup_granularity_ns
  • echo 128 > /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 1 > /proc/sys/kernel/numa_balancing
  • echo always > /sys/kernel/mm/transparent_hugepage/enabled
  • echo always > /sys/kernel/mm/transparent_hugepage/defrag
Notes None
JVM Instance jvm_Composite_1
Parts of Benchmark Composite
JVM Instance Description jvm_1
Command Line

-Xms1420g -Xmx1420g -Xmn1390g -server -XX:+UseParallelGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=5 -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=256 -XX:SurvivorRatio=120 -XX:TargetSurvivorRatio=95 -XX:+UseNUMA -XX:-UseAdaptiveNUMAChunkSizing -XX:+UseTransparentHugePages -XX:InlineSmallCode=11k -XX:TLABAllocationWeight=2 -XX:ThreadStackSize=140 -XX:AutoBoxCacheMax=32 -XX:OnStackReplacePercentage=100
Tuning

Used numactl to run on all available nodes

  • numactl --cpunodebind=0-7 --interleave=0-7
Notes None
max-jOPS and critical-jOPS Details
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Pass Fail Fail
jOPS 561128 567653 574178 580703 587227
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 484856 574178 574178 574178 574178 555085
Last Success jOPS/First Failure jOPS for SLA points
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 26099 / 32624 - / 6525 - / 6525 - / 6525 - / 6525 - / 6525
1000us 567653 / 110921 32624 / 39148 6525 / 13049 6525 / 13049 - / 6525 - / 6525
5000us 574178 / - 574178 / - 574178 / 358861 548079 / 221841 137020 / 143544 65247 / 58723
10000us 574178 / - 574178 / - 574178 / - 574178 / - 541554 / 358861 91346 / 58723
25000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 195742 / 58723
50000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 260990 / 58723
75000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 280564 / 202267
100000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 300138 / 274039
200000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 482831 / 404534
500000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 567653 / 528505
1000000us 574178 / - 574178 / - 574178 / - 574178 / - 574178 / - 574178 / 528505
Number of probes
Probes jOPS / Total jOPS
Request Mix Accuracy
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%
Rate of Non-Critical Failures
There were no non-critical failures in Response Time curve building
Delay between performance status pings during RT Curve (Response-Throughput Curve)
Delay between status pings
IR/PR Accuracy
IR/PR Accuracy
Run Properties
This section lists properties only set by user
Property Name Default Controller
specjbb.controller.maxir.maxFailedPoints 3 1
specjbb.controller.rtcurve.warmup.step 0.1 0.2
specjbb.customerDriver.threads 64 {probe=72, saturate=256}
specjbb.forkjoin.workers 256 {Tier1=95, Tier2=1, Tier3=12}
specjbb.group.count 1 3
specjbb.heartbeat.period 10000 50000
specjbb.heartbeat.threshold 100000 500000
View table in csv format
Validation Details
Validation Reports
 
Level: COMPLIANCE
Check Agent Result
Check properties on compliance All PASSED
 
Level: CORRECTNESS
Check Agent Result
Compare SM and HQ Inventory All PASSED
Other Checks
High-bound (max attempted) is 652475 IR
High-bound (settled) is 631966 IR
Copyright © 2015-2025 Standard Performance Evaluation Corporation
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SPECjbb2015 Version: [SPECjbb2015 1.04, Feb 16, 2024]