SPECjbb2015
Copyright © 2015-2026 Standard Performance Evaluation Corporation
Supermicro WIO A+ Server AS -1115SV-WTNRT 264739 SPECjbb2015-Composite max-jOPS
255491 SPECjbb2015-Composite critical-jOPS
Tested by: Supermicro Test Sponsor: Supermicro Test location: San Jose, California Test date: April 29, 2026
SPEC license #: 001176 Hardware Availability: May-2026 Software Availability: Apr-2026 Publication: Tue May 19 18:03:46 EDT 2026
Benchmark Results Summary
 
SPECjbb2015-Composite: Single JVM/Single Host
(# of groups: 2)
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 Chips1
Total Cores64
Total Threads128
Total Memory Amount (GB)384
Total OS Images1
SW EnvironmentNon-virtual
  
SUT Description
Hardware hw_1
NameSupermicro WIO A+ Server AS -1115SV-WTNRT
VendorSupermicro
Vendor URLhttps://www.supermicro.com
AvailableMay-2026
ModelH13SVW-NT
Form Factor1U
CPU NameAMD EPYC 8535P
CPU Characteristics64 core, 2.0GHz, 256MB L3 Cache (Max. Boost Clock up to 4.5GHz)
Number of Systems1
Nodes Per System1
Chips Per System1
Cores Per System64
Cores Per Chip64
Threads Per System128
Threads Per Core2
Version2.0 03/23/2026
CPU Frequency (MHz)2000
Primary Cache32KB(I)+48KB(D) per core
Secondary Cache1MB (I+D) per core
Tertiary Cache256MB (I+D) on chip per chip
Other CacheNone
Disk1 x 3.84 TB NVMe PCIe Gen5.0
File Systembtrfs
Memory Amount (GB)384
# and size of DIMM(s)6 x 64GB
Memory Details64GB 2Rx4 DDR5 RDIMM 6400 MT/s
# and type of Network Interface Cards (NICs)1 x 1 GbE NIC
Power Supply Quantity and Rating (W)2 x 800w
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 SP7
VendorSUSE
Vendor URLhttps://www.suse.com
Version6.4.0-150700.53.34-default
AvailableJun-2025
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 26.0.1
VendorOracle
Vendor URLhttps://www.oracle.com
VersionJava HotSpot 64-bit Server VM, version 26.0.1
AvailableApr-2026
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 = NPS2
  • L1 Stream HW Prefetcher = Disable
  • L2 Stream HW Prefetcher = Disable
  • Determinism Control = Manual
  • Determinism Enable = Power
  • TDP Control = Manual
  • TDP = 210
  • Package Power Limit Control = Manual
  • Package Power Limit = 210
Notes None
OS Image os_Image_1
JVM Instances jvm_Composite_1(1)
OS Image Description os_1
Tuning

  • tuned-adm profile throughput-performance
  • ulimit -n 1024000

  • echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
  • echo 400000 > /proc/sys/kernel/sched_latency_ns
  • echo 50000 > /proc/sys/kernel/sched_migration_cost_ns
  • echo 200000 > /proc/sys/kernel/sched_min_granularity_ns
  • echo 50000 > /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

-Xms330g -Xmx330g -Xmn325g -server -XX:+UseParallelGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=15 -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=128 -XX:SurvivorRatio=42 -XX:TargetSurvivorRatio=95 -XX:+UseTransparentHugePages -XX:+PrintFlagsFinal -XX:InlineSmallCode=10k -XX:LoopUnrollLimit=1000 -XX:+UseNUMA -XX:-UseNUMAInterleaving -XX:-UseAdaptiveNUMAChunkSizing -XX:CICompilerCount=32
Tuning

Used numactl to run on all available nodes

  • numactl --cpunodebind=0-1 --interleave=0-1
Notes None
max-jOPS and critical-jOPS Details
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Fail Fail Fail
jOPS 261798 264739 267681 270623 273564
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 239736 257385 260327 260327 260327 255491
Last Success jOPS/First Failure jOPS for SLA points
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 229441 / 32357 5883 / 8825 2942 / 5883 2942 / 5883 - / 2942 - / 2942
1000us 258856 / 108837 217675 / 29415 11766 / 14708 11766 / 14708 8825 / 11766 - / 2942
5000us 264739 / - 258856 / 261798 250032 / 173551 229441 / 123545 100013 / 97071 26474 / 23532
10000us 264739 / - 261798 / 264739 258856 / 261798 252973 / 255915 241207 / 238266 55889 / 23532
25000us 264739 / - 264739 / - 258856 / 261798 258856 / 261798 255915 / 258856 55889 / 23532
50000us 264739 / - 264739 / - 261798 / 264739 258856 / 261798 258856 / 261798 138253 / 23532
75000us 264739 / - 264739 / - 261798 / 264739 261798 / 264739 258856 / 261798 167668 / 132370
100000us 264739 / - 264739 / - 261798 / 264739 261798 / 264739 258856 / 261798 214733 / 170610
200000us 264739 / - 264739 / - 261798 / 264739 261798 / 264739 261798 / 264739 229441 / 232382
500000us 264739 / - 264739 / - 264739 / - 264739 / - 261798 / 264739 255915 / 258856
1000000us 264739 / - 264739 / - 264739 / - 264739 / - 264739 / - 258856 / 261798
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.comm.connect.timeouts.connect 60000 800000
specjbb.comm.connect.timeouts.read 60000 800000
specjbb.comm.connect.timeouts.write 60000 800000
specjbb.customerDriver.threads 64 {saturate=95}
specjbb.forkjoin.workers 128 {Tier1=70, Tier2=1, Tier3=15}
specjbb.group.count 1 2
specjbb.mapreducer.pool.size 128 3
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 294155 IR
High-bound (settled) is 287332 IR
Copyright © 2015-2026 Standard Performance Evaluation Corporation
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SPECjbb2015 Version: [SPECjbb2015 1.04, Feb 16, 2024]