SPECpower_ssj2008 JVM Instance 'WIN-CKU6IPL9I0A.002' Performance Report

SPECpower_ssj2008

JVM Instance 'WIN-CKU6IPL9I0A.002' Performance Report

Dell Inc. PowerEdge R7725 (AMD EPYC 9845)			ssj_ops@100% = 218,070
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			217,380
Calibration 2			217,605
Calibration 3			218,610
ssj_ops@calibrated=218,108
100%	100.0%	218,108	218,070
90%	89.7%	196,297	195,701
80%	80.2%	174,486	174,920
70%	69.6%	152,675	151,821
60%	60.2%	130,865	131,214
50%	49.8%	109,054	108,648
40%	40.5%	87,243	88,246
30%	30.1%	65,432	65,619
20%	20.1%	43,622	43,785
10%	10.0%	21,811	21,758
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	15,830,112	1,536
		Payment	15,830,112
		Order Status	1,583,014
		Delivery	1,583,010
		Stock Level	1,583,011
		Customer Report	15,830,115
Calibration 2		New Order	15,837,929	1,536
		Payment	15,837,926
		Order Status	1,583,791
		Delivery	1,583,793
		Stock Level	1,583,794
		Customer Report	15,837,924
Calibration 3		New Order	15,908,078	1,536
		Payment	15,908,079
		Order Status	1,590,807
		Delivery	1,590,809
		Stock Level	1,590,808
		Customer Report	15,908,078
100%	100.0%	New Order	15,863,480	1,536
		Payment	15,863,488
		Order Status	1,586,350
		Delivery	1,586,349
		Stock Level	1,586,348
		Customer Report	15,863,484
90%	89.7%	New Order	14,232,932	1,536
		Payment	14,232,934
		Order Status	1,423,292
		Delivery	1,423,294
		Stock Level	1,423,293
		Customer Report	14,232,933
80%	80.2%	New Order	12,721,789	1,536
		Payment	12,721,778
		Order Status	1,272,178
		Delivery	1,272,181
		Stock Level	1,272,177
		Customer Report	12,721,789
70%	69.6%	New Order	11,041,927	1,536
		Payment	11,041,939
		Order Status	1,104,194
		Delivery	1,104,194
		Stock Level	1,104,192
		Customer Report	11,041,934
60%	60.2%	New Order	9,542,987	1,536
		Payment	9,542,974
		Order Status	954,299
		Delivery	954,300
		Stock Level	954,297
		Customer Report	9,542,979
50%	49.8%	New Order	7,901,703	1,536
		Payment	7,901,706
		Order Status	790,172
		Delivery	790,170
		Stock Level	790,173
		Customer Report	7,901,708
40%	40.5%	New Order	6,418,241	1,536
		Payment	6,418,239
		Order Status	641,821
		Delivery	641,825
		Stock Level	641,826
		Customer Report	6,418,238
30%	30.1%	New Order	4,772,521	1,536
		Payment	4,772,519
		Order Status	477,252
		Delivery	477,251
		Stock Level	477,252
		Customer Report	4,772,519
20%	20.1%	New Order	3,184,391	1,536
		Payment	3,184,388
		Order Status	318,440
		Delivery	318,439
		Stock Level	318,439
		Customer Report	3,184,393
10%	10.0%	New Order	1,582,426	1,536
		Payment	1,582,420
		Order Status	158,246
		Delivery	158,242
		Stock Level	158,242
		Customer Report	1,582,424
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]