SPECpower_ssj2008

Compal Electronics, Inc. SR224-2A			SPECpower_ssj2008 = 30,134 overall ssj_ops/watt
Test Sponsor:	Compal Electronics, Inc.	SPEC License #:	6857	Test Method:	Single Node
Tested By:	Compal Electronics, Inc.	Test Location:	Neihu Dist, Taipei City, Taiwan (R.O.C.)	Test Date:	Jan 20, 2026
Hardware Availability:	Mar-2025	Software Availability:	Nov-2025	Publication:	Mar 9, 2026
System Source:	Single Supplier	System Designation:	Server	Power Provisioning:	Line-powered

Hardware
Hardware Vendor:	Compal Electronics, Inc.
Model:	SR224-2A
Form Factor:	2U
CPU Name:	AMD EPYC 9755 2.7 GHz
CPU Characteristics:	128 core, 2.7GHz, 512MB L3 Cache
CPU Frequency (MHz):	2700
CPU(s) Enabled:	256 cores, 2 chips, 128 cores/chip
Hardware Threads:	512 (2 / core)
CPU(s) Orderable:	1,2 chips
Primary Cache:	32 KB I + 48 KB D on chip per core
Secondary Cache:	1 MB I+D on chip per core
Tertiary Cache:	512 MB I+D on chip per chip, 32 MB shared/8 cores
Other Cache:	None
Memory Amount (GB):	384
# and size of DIMM:	24 x 16384 MB
Memory Details:	[16GB 1Rx8 PC5-4800; slots A0, B0, C0, D0, E0, F0, G0 ,H0 ,I0 ,J0 ,K0 ,L0 populated]
Power Supply Quantity and Rating (W):	1 x 1300
Power Supply Details:	Acbel R1CA2132A-T00A
Disk Drive:	1 x 1TB M.2 NVMe Express SSD
Disk Controller:	Integrated PCIe controller
# and type of Network Interface Cards (NICs) Installed:	1 x OCP i350 4-port
NICs Enabled in Firmware / OS / Connected:	4/4/1
Network Speed (Mbit):	1000
Keyboard:	None
Mouse:	None
Monitor:	None
Optical Drives:	No
Other Hardware:	None

Software
Power Management:	Preferred plans in OS: Power Saver (see SUT Notes)
Operating System (OS):	Microsoft Windows Server 2022 Datacenter Evaluation
OS Version:	Version 21H2 (OS Build 20348.3807)
Filesystem:	NTFS
JVM Vendor:	Oracle
JVM Version:	"17.0.12" 2024-07-16 LTS Java(TM) SE Runtime Environment (build 17.0.12+8-LTS-286) Java HotSpot(TM) 64-Bit Server VM (build 17.0.12+8-LTS-286, mixed mode, sharing)
JVM Command-line Options:	-server -Xms2048m -Xmx2048m -Xmn1900m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:InlineSmallCode=3900 -XX:UseAVX=0 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity:	start /NODE [0-31] /AFFINITY [0xF,0xF0,0xF00,0xF000]
JVM Instances:	128
JVM Initial Heap (MB):	2048
JVM Maximum Heap (MB):	2048
JVM Address Bits:	64
Boot Firmware Version:	10.27.0
Management Firmware Version:	1.41.0
Workload Version:	SSJ 1.2.10
Director Location:	Controller
Other Software:	None

AMI Aptio Setup Utility :

none

Set input.load_level.number_warehouses=512 in the SPECpower_ssj.props
Each JVM instance was bound to 4 logical processors
OS Tunings:
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
Using Windows PowerShell, set the following powercfg properties:
Powercfg /setacvalueindex scheme_current sub_processor PERFDECTHRESHOLD 95
Powercfg /setactive scheme_current
Display set to turn off after 1 minute
The system ROM used for this result contains AMD AGESA version 1.0.0.7 and microcode 0xb002152 for the AMD EPYC 9755 processor

Software
Operating System (OS):	Windows Server 2019 DC
JVM Vendor:	Oracle
JVM Version:	java version "17.0.7" 2023-04-18 LTS, Java HotSpot(TM) 64-Bit Server VM (build 17.0.7+8-LTS-224, mixed mode, sharing), Java(TM) SE Runtime Environment (build 17.0.7+8-LTS-224)
CCS Version:	1.2.6

Power Analyzer pwr1
Hardware Vendor:	Yokogawa
Model:	WT310E
Serial Number:	C3UE28006E
Connectivity:	USB
Input Connection:	Default
Metrology Institute:	NML (National Measurement Laboratory,Taiwan)
Accredited by:	OMNIO Calibration Laboratory Ltd.
Calibration Label:	OCL-250527T022
Date of Calibration:	28-May-2025
PTDaemon Host System:	same as CCS
PTDaemon Host OS:	same as CCS
PTDaemon Version:	1.11.3-a7835373-20251015
Setup Description:	SUT Power Supply 1.

Temperature Sensor temp1
Hardware Vendor:	Cleware
Model:	USB-Temp
Driver Version:	5.3.4.0
Connectivity:	USB
PTDaemon Host System:	same as CCS
PTDaemon Host OS:	same as CCS
Setup Description:	The front top of SUT main intake

None

Target Load	Average Active Power (W)	Minimum Ambient Temperature (°C)
100%	997	20.9
90%	936	21.2
80%	867	21.3
70%	801	21.4
60%	726	21.5
50%	652	21.6
40%	576	21.7
30%	493	21.8
20%	408	21.6
10%	318	21.6
Active Idle	138	21.6

Line Standard	Minimum Temperature (°C)	Elevation (m)
225V / 60 Hz / 1 phase / 2 wires	20.9	132

See the Power/Temperature Details Report for additional details.

See the Host Performance Report for additional details.

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