SPECpower_ssj2008 JVM Instance 'WIN-CKU6IPL9I0A.040' Performance Report

SPECpower_ssj2008

JVM Instance 'WIN-CKU6IPL9I0A.040' Performance Report

Dell Inc. PowerEdge R7725 (AMD EPYC 9845)			ssj_ops@100% = 208,366
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			208,087
Calibration 2			208,896
Calibration 3			208,363
ssj_ops@calibrated=208,629
100%	99.9%	208,629	208,366
90%	90.0%	187,766	187,737
80%	79.4%	166,903	165,577
70%	69.8%	146,040	145,656
60%	59.9%	125,177	124,876
50%	50.6%	104,315	105,639
40%	39.9%	83,452	83,199
30%	30.3%	62,589	63,193
20%	20.1%	41,726	41,937
10%	10.1%	20,863	21,005
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	15,157,463	1,536
		Payment	15,157,468
		Order Status	1,515,747
		Delivery	1,515,748
		Stock Level	1,515,745
		Customer Report	15,157,463
Calibration 2		New Order	15,201,160	1,536
		Payment	15,201,169
		Order Status	1,520,118
		Delivery	1,520,116
		Stock Level	1,520,114
		Customer Report	15,201,172
Calibration 3		New Order	15,155,158	1,536
		Payment	15,155,156
		Order Status	1,515,515
		Delivery	1,515,515
		Stock Level	1,515,515
		Customer Report	15,155,158
100%	99.9%	New Order	15,159,010	1,536
		Payment	15,159,005
		Order Status	1,515,902
		Delivery	1,515,900
		Stock Level	1,515,899
		Customer Report	15,159,001
90%	90.0%	New Order	13,653,881	1,536
		Payment	13,653,876
		Order Status	1,365,387
		Delivery	1,365,386
		Stock Level	1,365,389
		Customer Report	13,653,871
80%	79.4%	New Order	12,042,475	1,536
		Payment	12,042,469
		Order Status	1,204,246
		Delivery	1,204,248
		Stock Level	1,204,249
		Customer Report	12,042,471
70%	69.8%	New Order	10,594,541	1,536
		Payment	10,594,531
		Order Status	1,059,452
		Delivery	1,059,452
		Stock Level	1,059,454
		Customer Report	10,594,530
60%	59.9%	New Order	9,082,131	1,536
		Payment	9,082,130
		Order Status	908,212
		Delivery	908,212
		Stock Level	908,214
		Customer Report	9,082,126
50%	50.6%	New Order	7,683,209	1,536
		Payment	7,683,213
		Order Status	768,320
		Delivery	768,321
		Stock Level	768,321
		Customer Report	7,683,207
40%	39.9%	New Order	6,050,813	1,536
		Payment	6,050,815
		Order Status	605,080
		Delivery	605,080
		Stock Level	605,081
		Customer Report	6,050,801
30%	30.3%	New Order	4,595,998	1,536
		Payment	4,595,996
		Order Status	459,601
		Delivery	459,600
		Stock Level	459,599
		Customer Report	4,595,996
20%	20.1%	New Order	3,050,004	1,536
		Payment	3,050,000
		Order Status	305,000
		Delivery	304,998
		Stock Level	305,000
		Customer Report	3,049,998
10%	10.1%	New Order	1,527,755	1,536
		Payment	1,527,749
		Order Status	152,775
		Delivery	152,775
		Stock Level	152,776
		Customer Report	1,527,747
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]