SPECjbb2015 Report for jbb2015-20260325-01672 : 423535 max-jOPS ; 408533 critical-jOPS

Vendor	Amazon Web Services (AWS)
Vendor URL	https://aws.amazon.com/ec2/instance-types/m8i/
System Source	Single Supplier
System Designation	Server Rack
Total Systems	1
All SUT Systems Identical	YES
Total Nodes	3
All Nodes Identical	YES
Nodes Per System	1
Total Chips	1
Total Cores	96
Total Threads	192
Total Memory Amount (GB)	768
Total OS Images	1
SW Environment	Non-virtual

Hardware hw_1
Name	Amazon EC2 m8i.48xlarge
Vendor	Amazon Web Services (AWS)
Vendor URL	https://aws.amazon.com/ec2/instance-types/m8i/
Available	Dec-2025
Model	m8i.48xlarge
Form Factor	None
CPU Name	Intel(R) Xeon(R) 6975P-C
CPU Characteristics	96 core, 3.9GHz, 480MB L3 Cache
Number of Systems	1
Nodes Per System	1
Chips Per System	1
Cores Per System	96
Cores Per Chip	96
Threads Per System	192
Threads Per Core	2
Version	None
CPU Frequency (MHz)	3900
Primary Cache	64KB(I) + 48KB(D) per core
Secondary Cache	2MB (I+D) per core
Tertiary Cache	480MB (I+D) on chip per chip
Other Cache	None
Disk	1x 500GB EBS with 60 Gbps network bandwidth
File System	xfs
Memory Amount (GB)	768
# and size of DIMM(s)	3 x 256GB
Memory Details	DDR5 7200 MT/s
# and type of Network Interface Cards (NICs)	60 Gbps
Power Supply Quantity and Rating (W)	None
Other Hardware	None
Cabinet/Housing/Enclosure	None
Shared Description	None
Shared Comment	None
Notes	None
Other Hardware network_1
Name	None
Vendor	None
Vendor URL	None
Version	None
Available	None
Bitness	None
Notes	None

Operating System os_1
Name	Red Hat Enterprise Linux 9.6 (Plow)
Vendor	RHEL
Vendor URL	https://www.redhat.com/
Version	Linux 5.14.0-570.72.1.el9_6.x86_64
Available	Sept-2025
Bitness	64
Notes	None
Java Virtual Machine jvm_1
Name	Oracle Java SE 25.0.2
Vendor	Oracle
Vendor URL	http://oracle.com/
Version	Java HotSpot 64-bit Server VM, version 25.0.2
Available	Jan-2026
Bitness	64
Notes	None
Other Software other_1
Name	None
Vendor	None
Vendor URL	None
Version	None
Available	None
Bitness	None
Notes	None

SUT
- Hardware config_1
  - OS Image os_Image_1
    - JVM jvm_Composite_1 : Composite

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	-server -Xms700g -Xmx700g -Xmn690g -server -XX:+UseParallelGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=5 -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=192 -XX:SurvivorRatio=120 -XX:TargetSurvivorRatio=95 -XX:+UseNUMA -XX:-UseAdaptiveNUMAChunkSizing -XX:+UseTransparentHugePages -XX:InlineSmallCode=11k
Tuning	None
Notes	None

max-jOPS = jOPS passed before the First Failure
Pass/Fail	Pass	Pass	Pass	Fail	Fail
jOPS	412947	418241	423535	428829	434124

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	353652	423535	423535	423535	423535	408533

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

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=128}
specjbb.forkjoin.workers	192	{Tier1=80, Tier2=1, Tier3=10}
specjbb.group.count	1	3
specjbb.heartbeat.period	10000	50000
specjbb.heartbeat.threshold	100000	500000


Level: COMPLIANCE
Check	Agent	Result
Check properties on compliance	All	PASSED

High-bound (max attempted) is 529419 IR

High-bound (settled) is 448053 IR

SPECjbb2015 Version: [SPECjbb2015 1.04, Feb 16, 2024]

Amazon EC2 m8i.48xlarge	423535 SPECjbb2015-Composite max-jOPS 408533 SPECjbb2015-Composite critical-jOPS
Tested by: Infobell IT Solutions Pvt. Ltd.	Test Sponsor: Infobell IT Solutions Pvt. Ltd.	Test location: Bengaluru,India	Test date: March 18, 2026
SPEC license #: 6723	Hardware Availability: Dec-2025	Software Availability: Jan-2026	Publication: Thu Apr 16 11:48:03 EDT 2026


SPECjbb2015-Composite: Single JVM/Single Host (# of groups: 3) Overall SUT Description SUT Description max-jOPS and critical-jOPS Details Number of probes Request Mix Accuracy Rate Of Non-Critical Failures Delay between performance status pings IR/PR Accuracy Topology SUT Configuration Properties Validation Details Link to Full Disclosure	Overall Throughput RT curve