Quanta Computer Inc. D44N-1U SPECpower_ssj2008 = 38,844 overall ssj_ops/watt
Test Sponsor: Quanta Computer Inc. SPEC License #: 9050 Test Method: Single Node
Tested By: Quanta Computer Inc. Test Location: Taoyuan, TW, R.O.C Test Date: Jun 11, 2025
Hardware Availability: Sep-2024 Software Availability: Apr-2025 Publication: Jul 1, 2025
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Performance Power Performance to Power Ratio
Target Load Actual Load ssj_ops Average Active Power (W)
100% 99.5% 39,970,622 834 47,911
90% 90.0% 36,162,302 776 46,585
80% 79.5% 31,956,355 713 44,843
70% 70.0% 28,118,387 649 43,334
60% 60.0% 24,114,169 586 41,156
50% 50.0% 20,096,510 525 38,300
40% 40.0% 16,065,285 461 34,813
30% 30.0% 12,054,264 399 30,232
20% 20.0% 8,019,582 336 23,860
10% 10.0% 4,013,702 271 14,799
Active Idle 0 128 0
∑ssj_ops / ∑power = 38,844
Graph of results
System Under Test
Set: 'D44N-1U'
Set Identifier: D44N-1U
Set Description: System Under Test
# of Identical Nodes: 1
Comment: SUT
Hardware
Hardware Vendor: Quanta Computer Inc.
Model: D44N-1U
Form Factor: 1U
CPU Name: AMD EPYC 9965 2.25GHz
CPU Characteristics: 192 core, 2.25GHz, 384MB L3 Cache, Max Boost Clock up to 3.70 GHz
CPU Frequency (MHz): 2250
CPU(s) Enabled: 384 cores, 2 chips, 192 cores/chip
Hardware Threads: 768 (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: 384 MB I+D on chip per chip, 32 MB shared/16 cores
Other Cache: None
Memory Amount (GB): 384
# and size of DIMM: 24 x 16384 MB
Memory Details: 16GB 1Rx8 PC5-6400-R; slots A1, B1, C1, D1, E1, F1, G1 ,H1, I1, J1, K1, L1 populated
Power Supply Quantity and Rating (W): 1 x 1600
Power Supply Details: GreatWall CRPS1600C2, Quanta P/N:AFG00C00020
Disk Drive: 1 x 512GB M.2 Daughter card, Quanta P/N:ABS0512G358
Disk Controller: PCI-e controller
# and type of Network Interface Cards (NICs) Installed: 1 x Intel X710-T2L 10Gb, 2-port, Quanta P/N:ADPC0710031 ;
NICs Enabled in Firmware / OS / Connected: 2/2/1
Network Speed (Mbit): 10000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS
Operating System (OS): Microsoft Windows Server 2022 Datacenter Evaluation
OS Version: Version 21H2 (OS Build 20348.3453)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.12+8-LTS-286, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1450m -Xms1650m -Xmx1650m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0-23] /AFFINITY [0xF,0xF0,0xF00,0xF000,0xF0000,0xF00000,0xF000000,0xF0000000]
JVM Instances: 192
JVM Initial Heap (MB): 1650
JVM Maximum Heap (MB): 1650
JVM Address Bits: 64
Boot Firmware Version: 3B05
Management Firmware Version: 5.04
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: Microsoft Windows (KB5055526)
Boot Firmware Settings
Management Firmware Settings
none
System Under Test Notes
Controller System
Hardware
Hardware Vendor: Quanta Computer Inc.
Model: S99
CPU Description: Intel Xeon CPU X5670, 2.93Ghz
Memory amount (GB): 88
Software
Operating System (OS): Microsoft Windows Server 2012 Datacenter 64-bit
JVM Vendor: Oracle Corporation
JVM Version: Hotspot(TM) Server VM (build 17.0.9+11-LTS-201, mixed mode, sharing)
CCS Version: 1.2.6
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: Yokogawa Meters and Instruments Corporation
Model: WT310
Serial Number: C2PM12064V
Connectivity: USB
Input Connection: Default
Metrology Institute: NML (National Measurement Laboratory)
Accredited by: SGS
Calibration Label: ECR2518430
Date of Calibration: 12-May-2025
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.1-462c978e-20240907
Setup Description: Connected to power supply
Temperature Sensor temp1
Hardware Vendor: Digi International Inc.
Model: Watchport/T
Driver Version: 5.70.105.0
Connectivity: USB
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
Setup Description: 25 mm in front of SUT main airflow intake
Notes
Aggregate Electrical and Environmental Data
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
100% 834 22.7
90% 776 22.9
80% 713 22.9
70% 649 23.1
60% 586 23.1
50% 525 23.0
40% 461 23.0
30% 399 22.9
20% 336 22.8
10% 271 22.8
Active Idle 128 22.7
Line Standard Minimum Temperature (°C) Elevation (m)
220V / 60 Hz / 1 phase / 2 wires 22.7 250
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     40,410,937
Calibration 2     40,205,722
Calibration 3     40,164,538
ssj_ops@calibrated=40,185,130
100% 99.5% 40,185,130 39,970,622
90% 90.0% 36,166,617 36,162,302
80% 79.5% 32,148,104 31,956,355
70% 70.0% 28,129,591 28,118,387
60% 60.0% 24,111,078 24,114,169
50% 50.0% 20,092,565 20,096,510
40% 40.0% 16,074,052 16,065,285
30% 30.0% 12,055,539 12,054,264
20% 20.0% 8,037,026 8,019,582
10% 10.0% 4,018,513 4,013,702
Active Idle   0 0
Graph of results
See the Host Performance Report for additional details.