SPECpower_ssj2008 Copyright (C) 2007-2026 Standard Performance Evaluation Corporation Lenovo Global Technology Think System SR630 V4 SPECpower_ssj2008 = 24,865 overall ssj_ops/watt Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Jul 23, 2026 Publication: Aug 11, 2026 Hardware Availability: Jul-2026 Software Availability: Jun-2024 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% | 99.5% | 23,150,702 | 832 | 27,824 90% | 88.9% | 20,694,382 | 686 | 30,152 80% | 79.1% | 18,414,235 | 595 | 30,925 70% | 68.3% | 15,886,943 | 535 | 29,705 60% | 59.9% | 13,944,832 | 497 | 28,074 50% | 49.8% | 11,588,706 | 440 | 26,331 40% | 40.0% | 9,309,875 | 393 | 23,712 30% | 30.0% | 6,979,692 | 354 | 19,743 20% | 20.0% | 4,653,737 | 307 | 15,166 10% | 10.0% | 2,326,516 | 259 | 8,965 Active Idle | 0 | 208 | 0 sum of ssj_ops / sum of power = | 24,865 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): SUSE Linux Enterprise Server 15 SP6 OS Version: 6.4.0-150600.21-default Filesystem: xfs 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: for each physicalCore { numactl -C physicalCoreId, physicalCoreId + 1 } JVM Instances: 172 JVM Initial Heap (MB): 2048 JVM Maximum Heap (MB): 2048 JVM Address Bits: 64 Boot Firmware Version: IHE120L Management Firmware Version: IHX430Y Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None 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 ssh * Each JVM instance was bound to 2 logical processors * cpupower frequency-set -g ondemand * kernal parameter:pcie_aspm=force pcie_aspm.policy=powersupersave * echo -n 98 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold * echo -n 1000000 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate * The system ROM used for this result contains Intel microcode version 0x1000423 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% | 832 | 22.6 90% | 686 | 22.7 80% | 595 | 22.8 70% | 535 | 23.0 60% | 497 | 23.2 50% | 440 | 23.5 40% | 393 | 23.5 30% | 354 | 23.3 20% | 307 | 23.1 10% | 259 | 23.0 Active Idle | 208 | 23.0 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 220V / 50 Hz / 1 phase / | 22.6 | 43 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20260727-01582-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 22,093,491 Calibration 2 | | | 23,205,084 Calibration 3 | | | 23,338,223 ssj_ops@calibrated=23,271,653 100% | 99.5% | 23,271,653 | 23,150,702 90% | 88.9% | 20,944,488 | 20,694,382 80% | 79.1% | 18,617,323 | 18,414,235 70% | 68.3% | 16,290,157 | 15,886,943 60% | 59.9% | 13,962,992 | 13,944,832 50% | 49.8% | 11,635,827 | 11,588,706 40% | 40.0% | 9,308,661 | 9,309,875 30% | 30.0% | 6,981,496 | 6,979,692 20% | 20.0% | 4,654,331 | 4,653,737 10% | 10.0% | 2,327,165 | 2,326,516 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20260727-01582.localhost.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]