SPECjbb2015
Copyright © 2015-2026 Standard Performance Evaluation Corporation
Amazon EC2 m8i.metal-96xl 419751 SPECjbb2015-Composite max-jOPS
300322 SPECjbb2015-Composite critical-jOPS
Tested by: Infobell IT Solutions Pvt. Ltd. Test Sponsor: Infobell IT Solutions Pvt. Ltd. Test location: Bengaluru,India Test date: May 27, 2026
SPEC license #: 6723 Hardware Availability: Dec-2025 Software Availability: Feb-2026 Publication: Thu Jun 25 13:02:27 EDT 2026
Benchmark Results Summary
 
SPECjbb2015-Composite: Single JVM/Single Host
(# of groups: 4)
Overall Throughput RT curve
Overall Throughput RT curve
Overall SUT (System Under Test) Description
VendorAmazon Web Services (AWS)
Vendor URLhttps://aws.amazon.com/ec2/instance-types/m8i/
System SourceSingle Supplier
System DesignationServer Rack
Total Systems1
All SUT Systems IdenticalYES
Total Nodes1
All Nodes IdenticalYES
Nodes Per System1
Total Chips2
Total Cores192
Total Threads384
Total Memory Amount (GB)1536
Total OS Images1
SW EnvironmentNon-virtual
  
SUT Description
Hardware hw_1
NameAmazon EC2 m8i.metal-96xl
VendorAmazon Web Services (AWS)
Vendor URLhttps://aws.amazon.com/ec2/instance-types/m8i/
AvailableDec-2025
Modelm8i.metal-96xl
Form FactorNone
CPU NameIntel(R) Xeon(R) 6975P-C
CPU Characteristics96 core, 3.9GHz, 480MB L3 Cache
Number of Systems1
Nodes Per System1
Chips Per System2
Cores Per System192
Cores Per Chip96
Threads Per System384
Threads Per Core2
Version1.0
CPU Frequency (MHz)3900
Primary Cache64KB(I) + 48KB(D) per core
Secondary Cache2MB (I+D) per core
Tertiary Cache480MB (I+D) on chip per chip
Other CacheNone
Disk1x 500GB EBS
File Systemext4
Memory Amount (GB)1536
# and size of DIMM(s)6 x 256GB
Memory DetailsDDR5 7200 MT/s
# and type of Network Interface Cards (NICs)100 Gbps
Power Supply Quantity and Rating (W)None
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.
  • The submitter confirms that the benchmark configuration and execution comply with the applicable Terms of Service and usage policies of the hardware, software, and service providers on which the system under test was deployed
Other Hardware network_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Operating System os_1
NameUbuntu 24.04.4 LTS
VendorUbuntu
Vendor URLhttps://ubuntu.com/
VersionLinux 6.17.0-1013-aws
AvailableFeb-2026
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 25.0.2
VendorOracle
Vendor URLhttp://oracle.com/
VersionJava HotSpot 64-bit Server VM, version 25.0.2
AvailableJan-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 None
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 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 3000000 > /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 0 > /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

-Xms1450g -Xmx1450g -Xmn1400g -server -XX:+UseParallelGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=5 -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=384 -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 affinitize JVM across NUMA nodes

  • numactl --cpunodebind=0-5 --interleave=0-5
Notes None
max-jOPS and critical-jOPS Details
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Pass Fail Fail
jOPS 411356 415553 419751 423949 428146
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 219269 298354 307003 344680 352913 300322
Last Success jOPS/First Failure jOPS for SLA points
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 29383 / 33580 4198 / 8395 - / 4198 - / 4198 - / 4198 - / 4198
1000us 356788 / 239258 29383 / 33580 16790 / 20988 12593 / 16790 12593 / 16790 - / 4198
5000us 415553 / 419751 402961 / 398763 193085 / 155308 146913 / 151110 100740 / 104938 67160 / 4198
10000us 415553 / 419751 415553 / 419751 356788 / 314813 302221 / 298023 239258 / 155308 92345 / 4198
25000us 415553 / 419751 415553 / 419751 415553 / 411356 407158 / 411356 310616 / 155308 92345 / 4198
50000us 415553 / 419751 415553 / 419751 415553 / 411356 407158 / 411356 331603 / 155308 121728 / 46173
75000us 415553 / 419751 415553 / 419751 415553 / 411356 407158 / 411356 369381 / 155308 163703 / 46173
100000us 415553 / 419751 415553 / 419751 415553 / 419751 407158 / 411356 369381 / 155308 163703 / 46173
200000us 415553 / 419751 415553 / 419751 415553 / 419751 415553 / 411356 402961 / 155308 289628 / 155308
500000us 419751 / - 415553 / 419751 415553 / 419751 415553 / 419751 411356 / 155308 369381 / 155308
1000000us 419751 / - 415553 / 419751 415553 / 419751 415553 / 419751 415553 / 419751 411356 / 155308
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=90, saturate=128}
specjbb.forkjoin.workers 384 {Tier1=73, Tier2=1, Tier3=10}
specjbb.group.count 1 4
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 419751 IR
High-bound (settled) is 406563 IR
Copyright © 2015-2026 Standard Performance Evaluation Corporation
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SPECjbb2015 Version: [SPECjbb2015 1.04, Feb 16, 2024]