SPECpower_ssj2008 JVM Instance 'WIN-CKU6IPL9I0A.091' Performance Report

SPECpower_ssj2008

JVM Instance 'WIN-CKU6IPL9I0A.091' Performance Report

Dell Inc. PowerEdge R7725 (AMD EPYC 9845)			ssj_ops@100% = 219,982
Test Sponsor:	Dell Inc.	SPEC License #:	6573	Test Method:	Single Node
Tested By:	Dell Inc.	Test Location:	Round Rock, TX, USA	Test Date:	Jun 12, 2026
Hardware Availability:	May-2026	Software Availability:	Jan-2026	Publication:	Jun 30, 2026
System Source:	Single Supplier	System Designation:	Server	Power Provisioning:	Line-powered

Benchmark Results Summary

Target Load	Actual Load	ssj_ops
Target Load	Actual Load	Target	Actual
Calibration 1			221,348
Calibration 2			221,496
Calibration 3			221,179
ssj_ops@calibrated=221,337
100%	99.4%	221,337	219,982
90%	90.0%	199,204	199,301
80%	79.9%	177,070	176,794
70%	70.3%	154,936	155,517
60%	60.1%	132,802	133,090
50%	50.0%	110,669	110,589
40%	39.9%	88,535	88,326
30%	30.0%	66,401	66,393
20%	19.9%	44,267	44,100
10%	10.3%	22,134	22,820
Active Idle		0	0

System Under Test

Set: 'sut'

Set Identifier:	sut
Set Description:	System Under Test
# of Identical Nodes:	1
Comment:	PowerEdge R7725

Hardware
Hardware Vendor:	Dell Inc.
Model:	PowerEdge R7725 (AMD EPYC 9845)
Form Factor:	2U
CPU Name:	AMD EPYC 9845, 2.10 GHz
CPU Characteristics:	160 core, 2.10 GHz, 320 MB L3 Cache, Max Boost Clock up to 3.70 GHz
CPU Frequency (MHz):	2100
CPU(s) Enabled:	320 cores, 2 chips, 160 cores/chip
Hardware Threads:	640 (2 / core)
CPU(s) Orderable:	1,2 chip
Primary Cache:	32 KB I + 48 KB D on chip per core
Secondary Cache:	1 MB I+D on chip per core
Tertiary Cache:	320 MB I+D on chip per chip
Other Cache:	None
Memory Amount (GB):	384
# and size of DIMM:	24 x 16 GB
Memory Details:	16 GB 1Rx8 PC5-6400R, slots A1-A12, B1-B12 populated.
Power Supply Quantity and Rating (W):	1 x 1500
Power Supply Details:	1500W Titanium Efficiency (Dell P/N: 1PKMH)
Disk Drive:	1 x 480 GB NVMe M.2 SSD (Dell P/N- 3H1F4)
Disk Controller:	BOSS N1 (Dell P/N- CMFVP)
# and type of Network Interface Cards (NICs) Installed:	1 x Dual-port Intel E610-XT2, (Dell P/N: FC0HK)
NICs Enabled in Firmware / OS / Connected:	2/2/1
Network Speed (Mbit):	1000
Keyboard:	None
Mouse:	None
Monitor:	None
Optical Drives:	No
Other Hardware:	None

Software
Power Management:	Power Saver plan in OS (see SUT notes)
Operating System (OS):	Microsoft Windows Server 2022 Datacenter
OS Version:	Version 21H2 (OS Build 20348.2113)
Filesystem:	ntfs
JVM Vendor:	Oracle Corporation
JVM Version:	Java HotSpot(TM) 64-Bit Server VM (build 17.0.18+8-LTS-264, mixed mode, sharing)
JVM Command-line Options:	-server -Xmn1300m -Xms1550m -Xmx1550m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:InlineSmallCode=3900 -XX:AutoBoxCacheMax=20000 -XX:FreqInlineSize=2500 -XX:CompileThresholdScaling=210 -XX:AllocatePrefetchDistance=384 -XX:AllocatePrefetchLines=10 -XX:+UseBiasedLocking -XX:+AggressiveHeap -XX:+OptimizeFill -XX:UseAVX=1 -XX:LargePageSizeInBytes=2m
JVM Affinity:	start /NODE [0-19] /AFFINITY [0xF,0XF0,0XF00,0XF000,0XF0000,0XF00000,0XF000000,0XF0000000]
JVM Instances:	160
JVM Initial Heap (MB):	1550
JVM Maximum Heap (MB):	1550
JVM Address Bits:	64
Boot Firmware Version:	1.7.6
Management Firmware Version:	1.30.10.50
Workload Version:	SSJ 1.2.10
Director Location:	Controller
Other Software:	None

Boot Firmware Settings

Dram Refresh Delay = Performance
DIMM Self Healing (Post Package Repair) on Uncorrectable Memory Error = Disabled
Virtualization Technology = Disabled
L1 Stream HW Prefetcher = Disabled
L2 Stream HW Prefetcher = Disabled
L1 Stride Prefetcher = Disabled
Numa Nodes per socket = 2
L3 cache as NUMA domain = Enabled
AVX 512 = Enabled
ACPI CST C2 Latency = 800
System Profile = Custom
Memory Frequency = 4800MT/s
Turbo Boost = Disabled
Determinism Control = Manual
Determinism Slider = Performance Determinism
Power Profile Select = Balanced Memory Performance Mode
Adaptive Allocation = Enabled
CPPC = Disabled
XGMI Max Speed = 20GT/s
PPT control = Manual
Customized PPT = 320
Boost Fmax = Manual
Manual Boost FMAX = 2400
Memory Patrol Scrub = Disabled
ApbDis = Enabled
ApbDis fixed DF P-state = P2
PDR Tuning = Blended
TDP Control = Manual
Customized cTDP = 320
DLWM = Forced value
DLWM forced width = x4

Management Firmware Settings

Minimum Power (Performance per Watt Optimized)

System Under Test Notes

Each JVM instance was bound to 4 logical processors
SPECpower_ssj.props input.load_level.number_warehouses set to 640 due to a known inconsistency in processor reporting with this Java version
Using Windows PowerShell, set the following powercfg properties
powercfg /setacvalueindex scheme_current sub_processor CPOVERUTIL 60
Powercfg /setacvalueindex scheme_current sub_processor PERFBOOSTMODE 3
powercfg /setacvalueindex scheme_current sub_processor CPMINCORES1 100
powercfg /setacvalueindex scheme_current sub_processor CPMINCORES 100
powercfg /setacvalueindex scheme_current sub_processor PERFDECTHRESHOLD 95
powercfg /setacvalueindex scheme_current sub_processor PERFINCTHRESHOLD 98
Powercfg /setactive scheme_current
Power Plan Minimum processor state set to 0%
Power Plan Maximum processor state set to 100%
Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark
Hard Disk set to turn off after 1 minute

The system ROM used for this result contains AMD AGESA version 5910100B00000000 for the AMD EPYC 9845 processor.

Notes

None

Performance Details

Target Load	Actual Load	Transaction Type	Count	Total Heap (MB)
Calibration 1		New Order	16,122,740	1,536
		Payment	16,122,742
		Order Status	1,612,275
		Delivery	1,612,274
		Stock Level	1,612,273
		Customer Report	16,122,732
Calibration 2		New Order	16,131,398	1,536
		Payment	16,131,402
		Order Status	1,613,141
		Delivery	1,613,137
		Stock Level	1,613,141
		Customer Report	16,131,397
Calibration 3		New Order	16,088,427	1,536
		Payment	16,088,424
		Order Status	1,608,843
		Delivery	1,608,842
		Stock Level	1,608,843
		Customer Report	16,088,425
100%	99.4%	New Order	16,009,439	1,536
		Payment	16,009,437
		Order Status	1,600,944
		Delivery	1,600,945
		Stock Level	1,600,943
		Customer Report	16,009,442
90%	90.0%	New Order	14,495,554	1,536
		Payment	14,495,559
		Order Status	1,449,557
		Delivery	1,449,555
		Stock Level	1,449,555
		Customer Report	14,495,559
80%	79.9%	New Order	12,858,154	1,536
		Payment	12,858,165
		Order Status	1,285,814
		Delivery	1,285,817
		Stock Level	1,285,817
		Customer Report	12,858,155
70%	70.3%	New Order	11,310,916	1,536
		Payment	11,310,914
		Order Status	1,131,092
		Delivery	1,131,091
		Stock Level	1,131,091
		Customer Report	11,310,916
60%	60.1%	New Order	9,679,577	1,536
		Payment	9,679,574
		Order Status	967,956
		Delivery	967,959
		Stock Level	967,956
		Customer Report	9,679,574
50%	50.0%	New Order	8,043,159	1,536
		Payment	8,043,159
		Order Status	804,317
		Delivery	804,316
		Stock Level	804,316
		Customer Report	8,043,158
40%	39.9%	New Order	6,423,999	1,536
		Payment	6,424,001
		Order Status	642,401
		Delivery	642,399
		Stock Level	642,399
		Customer Report	6,423,998
30%	30.0%	New Order	4,828,669	1,536
		Payment	4,828,666
		Order Status	482,866
		Delivery	482,869
		Stock Level	482,868
		Customer Report	4,828,672
20%	19.9%	New Order	3,207,273	1,536
		Payment	3,207,272
		Order Status	320,726
		Delivery	320,729
		Stock Level	320,728
		Customer Report	3,207,272
10%	10.3%	New Order	1,659,695	1,536
		Payment	1,659,698
		Order Status	165,969
		Delivery	165,970
		Stock Level	165,970
		Customer Report	1,659,698
Active Idle		New Order	0	1,536
		Payment	0
		Order Status	0
		Delivery	0
		Stock Level	0
		Customer Report	0

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SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]