Lenovo Global Technology ThinkSystem SR950 V3 SPECpower_ssj2008 = 13,499 overall ssj_ops/watt
Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Test Method: Single Node
Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Mar 24, 2025
Hardware Availability: Oct-2023 Software Availability: Sep-2024 Publication: Apr 22, 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% 99.7% 64,565,296 4,046 15,958
90% 90.0% 58,278,640 3,822 15,247
80% 80.1% 51,855,764 3,214 16,136
70% 69.0% 44,703,565 2,627 17,020
60% 60.0% 38,850,249 2,424 16,025
50% 50.0% 32,389,789 2,173 14,904
40% 40.0% 25,899,865 1,969 13,157
30% 30.0% 19,431,408 1,767 10,996
20% 20.0% 12,949,916 1,599 8,098
10% 10.0% 6,472,192 1,412 4,582
Active Idle 0 1,274 0
∑ssj_ops / ∑power = 13,499
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: 'SUT'
Hardware
Hardware Vendor: Lenovo Global Technology
Model: ThinkSystem SR950 V3
Form Factor: 8U
CPU Name: Intel Xeon Platinum 8490H
CPU Characteristics: 60-Core, 1.9GHz, 112.5MB L3 Cache
CPU Frequency (MHz): 1900
CPU(s) Enabled: 480 cores, 8 chips, 60 cores/chip
Hardware Threads: 960 (2 / core)
CPU(s) Orderable: 8 chips
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 115200 KB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 4096
# and size of DIMM: 64 x 65536 MB
Memory Details: 64GB 2Rx4 PC5-4800B ; slots 1, 3, 5, 7, 10, 12, 14, 16, 17, 19, 21, 23, 26, 28, 30, 32, 33, 35, 37, 39, 42, 44, 46, 48, 49, 51, 53, 55, 58, 60, 62, 64, 65, 67, 69, 71, 74, 76, 78, 80, 81, 83, 85, 87, 90, 92, 94, 96, 97, 99, 101, 103, 106, 108, 110, 112, 113, 115, 117, 119, 122, 124, 126 and 128 populated
Power Supply Quantity and Rating (W): 8 x 1800
Power Supply Details: Lenovo P/N:4P57A78359
Disk Drive: 1 x 960GB M.2 SSD P/N:4XB7A13999 M.2 Module P/N:4Y37A09750
Disk Controller: Integrated NVME controller
# and type of Network Interface Cards (NICs) Installed: 1 x ThinkSystem Broadcom 57504 10/25GbE SFP28 4-port PCIe P/N:4XC7A80566
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 25000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Enabled (see SUT Notes)
Operating System (OS): Microsoft Windows Server 2022 Datacenter
OS Version: Version 21H2(OS Build 20348.2700)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.10+11-LTS-240, mixed mode, sharing), version 17.0.10
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:InlineSmallCode=1500 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:FreqInlineSize=2500 -XX:CompileThresholdScaling=210
JVM Affinity: start /NODE [0-31] /AFFINITY [3F,FC0,3F000,FC0000,3F000000]
JVM Instances: 160
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: EBE116E
Management Firmware Version: EBX314M
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: KB5042881
Boot Firmware Settings
Management Firmware Settings
None
System Under Test Notes
Controller System
Hardware
Hardware Vendor: Lenovo Global Technology
Model: ThinkSystem SR645
CPU Description: 2 x AMD EPYC 7763 2.45GHz
Memory amount (GB): 512
Software
Operating System (OS): Microsoft Windows Server 2019 DataCenter - Version 1809 (OS Build 17763.1217)
JVM Vendor: Oracle Corporation
JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.4+10-LTS, mixed mode)
CCS Version: 1.2.6
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: YOKOGAWA, Inc.
Model: WT310E
Serial Number: C3SH31010E
Connectivity: USB
Input Connection: Default
Metrology Institute: China National Accreditation Service for Conformity Assessment (CNAS)
Accredited by: CHINA CEPREI LABORATORY CALIBRATION & TESTING CENTRB
Calibration Label: 1GA24011968-0004
Date of Calibration: 26-Sep-2024
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.1-462c978e-20240907
Setup Description: Connected to PSU 1 PSU 2 PSU 3 PSU 4
Power Analyzer pwr2
Hardware Vendor: YOKOGAWA, Inc.
Model: WT310E
Serial Number: C3UG05013E
Connectivity: USB
Input Connection: Default
Metrology Institute: China National Accreditation Service for Conformity Assessment (CNAS)
Accredited by: CHINA CEPREI LABORATORY CALIBRATION & TESTING CENTRB
Calibration Label: 1GA24011968-0001
Date of Calibration: 25-Sep-2024
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.1-462c978e-20240907
Setup Description: Connected to PSU 5 PSU 6 PSU 7 PSU 8
Temperature Sensor temp1
Hardware Vendor: Digi International, Inc.
Model: Watchport/H
Driver Version: 5.70.105.0
Connectivity: USB
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
Setup Description: 50 mm in front of SUT main intake
Notes
Aggregate Electrical and Environmental Data
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
100% 4,046 26.6
90% 3,822 26.6
80% 3,214 26.6
70% 2,627 26.6
60% 2,424 26.4
50% 2,173 26.4
40% 1,969 26.8
30% 1,767 27.3
20% 1,599 27.9
10% 1,412 28.2
Active Idle 1,274 28.5
Line Standard Minimum Temperature (°C) Elevation (m)
220V / 50 Hz / 1 phase / 2 wires 26.4 43
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     57,001,987
Calibration 2     64,676,350
Calibration 3     64,838,182
ssj_ops@calibrated=64,757,266
100% 99.7% 64,757,266 64,565,296
90% 90.0% 58,281,539 58,278,640
80% 80.1% 51,805,813 51,855,764
70% 69.0% 45,330,086 44,703,565
60% 60.0% 38,854,360 38,850,249
50% 50.0% 32,378,633 32,389,789
40% 40.0% 25,902,906 25,899,865
30% 30.0% 19,427,180 19,431,408
20% 20.0% 12,951,453 12,949,916
10% 10.0% 6,475,727 6,472,192
Active Idle   0 0
Graph of results
See the Host Performance Report for additional details.