SPECpower_ssj2008 Copyright (C) 2007-2026 Standard Performance Evaluation Corporation Lenovo Global Technology Think System SR630 V4 SPECpower_ssj2008 = 25,474 overall ssj_ops/watt Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Jun 29, 2026 Publication: Jul 14, 2026 Hardware Availability: Feb-2026 Software Availability: Nov-2025 Test Method: Single Node 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% | 21,936,794 | 714 | 30,740 90% | 89.9% | 19,799,212 | 629 | 31,474 80% | 80.0% | 17,616,746 | 562 | 31,362 70% | 70.0% | 15,409,929 | 511 | 30,161 60% | 60.0% | 13,214,496 | 458 | 28,825 50% | 50.0% | 11,010,874 | 411 | 26,781 40% | 40.0% | 8,816,220 | 370 | 23,835 30% | 30.0% | 6,608,604 | 340 | 19,452 20% | 20.0% | 4,404,580 | 298 | 14,759 10% | 10.0% | 2,203,341 | 253 | 8,719 Active Idle | 0 | 205 | 0 sum of ssj_ops / sum of power = | 25,474 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: Think System SR630 V4 Form Factor: 1U CPU Name: Intel Xeon 6787P CPU Characteristics: 86-Core,2.00GHz,336MB L3 Cache CPU Frequency (MHz): 2000 CPU(s) Enabled: 172 cores, 2 chips, 86 cores/chip Hardware Threads: 344 (2 / core) CPU(s) Orderable: 1,2 chips Primary Cache: 64 KB I + 48 KB D on chip per core Secondary Cache: 2 MB I+D on chip per chip Tertiary Cache: 336 MB I+D on chip per chip Other Cache: None Memory Amount (GB): 512 # and size of DIMM: 16 x 32 GB Memory Details: 16 x 32GB 2Rx8 PC5-6400-R; slots 1, 3, 5, 7, 10, 12, 14, 16, 17, 19, 21, 23, 26, 28, 30 and 32 populated Power Supply Quantity and Rating 2 x 1300 (W): Power Supply Details: Lenovo P/N:4P57A88621 Disk Drive: 1 x 960GB 2.5" NVMe SSD P/N:4XB7A93066 Disk Controller: Integrated NvMe controller # and type of Network Interface 1 x ThinkSystem 10/25GbE 2-Port Ethernet Cards (NICs) Installed: Adapter P/N:4XC7A08238 NICs Enabled in Firmware / OS / 2/2/1 Connected: Network Speed (Mbit): 10000 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 20348.4405) 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:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:FreqInlineSize=2500 -XX:CompileThresholdScaling=210 JVM Affinity: start /NODE [0,2,4,6] /AFFINITY [0x3,0xc,0x30,0xc0,0x300,0xc00,0x3000,0xc000 ,0x30000,0xc0000,0x300000,0xc00000,0x3000000 ,0xc000000,0x30000000,0xc0000000,0x300000000 ,0xc00000000,0x3000000000,0xc000000000,0x300 00000000,0xc0000000000] start /NODE [1,3,5,7] /AFFINITY [0x3,0xc,0x30,0xc0,0x300,0xc00,0x3000,0xc000 ,0x30000,0xc0000,0x300000,0xc00000,0x3000000 ,0xc000000,0x30000000,0xc0000000,0x300000000 ,0xc00000000,0x3000000000,0xc000000000,0x300 00000000] JVM Instances: 172 JVM Initial Heap (MB): 2048 JVM Maximum Heap (MB): 2048 JVM Address Bits: 64 Boot Firmware Version: IHE116I Management Firmware Version: IHX430Y Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: KB5068787 Boot Firmware Settings * Operating Mode: Custom Mode * Page Policy: Adaptive * SRIOV: Disabled * UPI Link Disable: Minimum number for links enabled * MemorySpeed: Balanced * Intel Virtualization Technology: Disabled * Hardware Prefetcher: Disabled * Adjacent Cache Prefetch: Disabled * DCU Streamer Prefetcher: Disabled * SNC: Enabled * Patrol Scrub: Disabled * CPU Frequency Limits: Restrict maximum frequency to 2.50Ghz Management Firmware Settings None System Under Test Notes * Benchmark started via Windows Remote Desktop Connection * Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark * Balanced mode * Hard Disk set to turn off after 1 minute * Display set to turn off after 1 minute * Minmum processor state set to 0%. * Maximum processor state set to 100%. * Using Windows PowerShell, set the following powercfg properties: * Powercfg /setacvalueindex scheme_current sub_processor PROCTHROTTLEMIN 0 * Powercfg /setacvalueindex scheme_current sub_processor PROCTHROTTLEMAX 100 * Powercfg /setacvalueindex scheme_current sub_processor PERFEPP 0 * Powercfg /setacvalueindex scheme_current sub_processor perfautonomous 1 * Powercfg /setactive scheme_current * Each JVM instance was bound to 2 logical processors * The system ROM used for this result contains Intel microcode version 0000000005040001 for the Intel Xeon 6787P processor. Controller System HARDWARE Hardware Vendor: Lenovo Global Technology Model: Thinksystem SR665 CPU Description: 2 x AMD EPYC 7773X Memory amount (GB): 512 SOFTWARE Operating System (OS): Microsoft Windows Server 2022 DataCenter - Version 21H2 (OS Build 20348.1249) JVM Vendor: Oracle Corporation JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode), version 1.7.0_80 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 CEPEREI LABORATORY CALIBRATION & TESTING CENTRE Calibration Label: 1GA25011731-0002 Date of Calibration: 15-Sep-2025 PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS PTDaemon Version: 1.11.4-5bcc369b-20260119 Setup Description: Connected to PSU 1 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 * SPECpower_ssj.props input.load_level.number_warehouses set to 344 due to a known inconsistency in processor reporting with this Java version. Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 714 | 22.6 90% | 629 | 22.7 80% | 562 | 22.8 70% | 511 | 22.8 60% | 458 | 22.8 50% | 411 | 22.6 40% | 370 | 22.6 30% | 340 | 22.6 20% | 298 | 22.6 10% | 253 | 22.5 Active Idle | 205 | 22.2 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 220V / 50 Hz / 1 phase / | 22.2 | 43 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20260629-01580-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 20,803,895 Calibration 2 | | | 21,920,052 Calibration 3 | | | 22,106,384 ssj_ops@calibrated=22,013,218 100% | 99.7% | 22,013,218 | 21,936,794 90% | 89.9% | 19,811,896 | 19,799,212 80% | 80.0% | 17,610,575 | 17,616,746 70% | 70.0% | 15,409,253 | 15,409,929 60% | 60.0% | 13,207,931 | 13,214,496 50% | 50.0% | 11,006,609 | 11,010,874 40% | 40.0% | 8,805,287 | 8,816,220 30% | 30.0% | 6,603,965 | 6,608,604 20% | 20.0% | 4,402,644 | 4,404,580 10% | 10.0% | 2,201,322 | 2,203,341 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20260629-01580.WIN-EM9JV48V2D2.txt) for additional details. Copyright (C) 2007-2026 Standard Performance Evaluation Corporation http://www.spec.org - info@spec.org SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]