Supermicro WIO A+ Server AS -1115SV-WTNRT 282896 SPECjbb2015-MultiJVM max-jOPS
143338 SPECjbb2015-MultiJVM 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
 
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
 
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
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_Ctr_1(1), jvm_Backend_1(8), jvm_TxInjector_1(8)
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=0-7,64-71 --localalloc
  • Group2: --physcpubind=8-15,72-79 --localalloc
  • Group3: --physcpubind=16-23,80-87 --localalloc
  • Group4: --physcpubind=24-31,88-95 --localalloc
  • Group5: --physcpubind=32-39,96-103 --localalloc
  • Group6: --physcpubind=40-47,104-111 --localalloc
  • Group7: --physcpubind=48-55,112-119 --localalloc
  • Group8: --physcpubind=56-63,120-127 --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=0-7,64-71 --localalloc
  • Group2: --physcpubind=8-15,72-79 --localalloc
  • Group3: --physcpubind=16-23,80-87 --localalloc
  • Group4: --physcpubind=24-31,88-95 --localalloc
  • Group5: --physcpubind=32-39,96-103 --localalloc
  • Group6: --physcpubind=40-47,104-111 --localalloc
  • Group7: --physcpubind=48-55,112-119 --localalloc
  • Group8: --physcpubind=56-63,120-127 --localalloc

Notes None
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Pass Fail Fail
jOPS 276317 279607 282896 286186 289475
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 96491 123356 155921 172368 189145 143338
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 6579 / 9868 3289 / 6579 - / 3289 - / 3289 - / 3289 - / 3289
1000us 52632 / 55921 13158 / 16447 3289 / 6579 - / 3289 - / 3289 - / 3289
5000us 220396 / 223685 125001 / 128290 69079 / 72369 65790 / 69079 55921 / 59211 3289 / 6579
10000us 223685 / 226975 207238 / 210527 171053 / 174343 144738 / 148027 101974 / 85527 6579 / 9868
25000us 226975 / 230264 220396 / 223685 194080 / 197369 177632 / 180922 125001 / 121711 6579 / 9868
50000us 230264 / 233554 223685 / 226975 207238 / 210527 190790 / 194080 161185 / 148027 6579 / 9868
75000us 233554 / 236843 226975 / 230264 213817 / 217106 207238 / 203948 177632 / 164474 39474 / 9868
100000us 236843 / 240133 226975 / 230264 220396 / 223685 207238 / 210527 190790 / 187501 82237 / 19737
200000us 256580 / 250001 236843 / 240133 226975 / 230264 223685 / 226975 220396 / 203948 161185 / 49342
500000us 282896 / - 269738 / 266449 250001 / 253291 246712 / 250001 240133 / 236843 207238 / 121711
1000000us 282896 / - 282896 / - 282896 / - 279607 / 282896 273028 / 276317 230264 / 226975
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 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
specjbb.comm.connect.client.pool.size 256 150 256 170 256 170 256 170 256 170 256 170 256 170 256 170 256 170
specjbb.comm.connect.selector.runner.count 0 10 20 5 20 5 20 5 20 5 20 5 20 5 20 5 20 5
specjbb.comm.connect.timeouts.connect 60000 900000 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
specjbb.comm.connect.timeouts.write 60000 800000 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
specjbb.comm.connect.worker.pool.min 1 16 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 128 {Tier1=565, Tier2=20, Tier3=60}
specjbb.group.count 1 8
specjbb.mapreducer.pool.size 128 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 328949 IR
High-bound (settled) is 295557 IR