SPECpower_ssj2008 Copyright (C) 2007-2026 Standard Performance Evaluation Corporation Supermicro SuperServer AS-1115SV-WTNRT SPECpower_ssj2008 = 17,653 overall ssj_ops/watt Test Sponsor: Supermicro SPEC License #: 1176 Tested By: Supermicro Test Location: San Jose, CA, USA Test Date: May 4, 2026 Publication: May 22, 2026 Hardware Availability: May-2026 Software Availability: May-2026 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% | 6,437,525 | 257 | 25,023 90% | 90.1% | 5,814,378 | 245 | 23,711 80% | 80.0% | 5,168,247 | 232 | 22,244 70% | 70.0% | 4,521,234 | 211 | 21,409 60% | 60.0% | 3,872,966 | 192 | 20,172 50% | 50.0% | 3,228,714 | 179 | 18,001 40% | 40.0% | 2,582,906 | 169 | 15,253 30% | 29.9% | 1,930,982 | 158 | 12,255 20% | 20.0% | 1,289,343 | 147 | 8,800 10% | 10.1% | 650,028 | 133 | 4,904 Active Idle | 0 | 87.4 | 0 sum of ssj_ops / sum of power = | 17,653 System Under Test Set: 'sut' Set Identifier: sut Set Description: System Under Test # of Identical Nodes: 1 Comment: None HARDWARE Hardware Vendor: Supermicro Model: SuperServer AS-1115SV-WTNRT Form Factor: 1U CPU Name: AMD EPYC 8325P 2.7 GHz CPU Characteristics: 32-Core, 2.7 GHz, 256MB L3 Cache CPU Frequency (MHz): 2700 CPU(s) Enabled: 32 cores, 1 chip, 32 cores/chip Hardware Threads: 64 (2 / core) CPU(s) Orderable: 1 chip Primary Cache: 32 KB I + 48 KB D on chip per core Secondary Cache: 1 MB I+D on chip per core Tertiary Cache: 256 MB I+D on chip per chip, 32 MB shared / 4 cores Other Cache: None Memory Amount (GB): 96 # and size of DIMM: 6 x 16 GB Memory Details: 6 x 16GB 1Rx8 PC5-6400; CPU1 A1,B1,C1,D1,E1,F1 populated. Power Supply Quantity and Rating 1 x 860 (W): Power Supply Details: P/N: PWS-861A-1R Disk Drive: 1 x 1TB Samsung SSD 980 PRO Disk Controller: Embedded SATA Controller # and type of Network Interface 1 x Dual LAN BCM 57416 10GbE BaseT Ethernet Cards (NICs) Installed: Controller 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 20348.4529) Filesystem: NTFS JVM Vendor: OpenJDK JVM Version: OpenJDK 64-Bit Server VM (build 17.0.18, 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=16 JVM Affinity: start/NODE[0,1,2,3,4,5,6,7] /AFFINITY [0x3, 0xC, 0x30, 0xC0] JVM Instances: 32 JVM Initial Heap (MB): 1650 JVM Maximum Heap (MB): 1650 JVM Address Bits: 64 Boot Firmware Version: 2.0 Management Firmware Version: 01.08.04 Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: KB5071547 Boot Firmware Settings * ACPI SRAT L3 Cache As NUMA Domain= Enable * Power Profile= Balanced Core Mode * DRAM Target Speed= 5200 * GMI Folding= Enable * L2 Stream HW Prefetcher= Disable * L2 Up/Down Prefetcher= Disable * Boost Fmax enable= Manual * Boost Fmax= 3100 * APBDIS= 1 * DFPstate= DFP2 * PCIE Target Speed= Gen1 * ASPM Support= Enable Management Firmware Settings Fan Mode: Standard Speed System Under Test Notes * SPECpower_ssj.props input.load_level.number_warehouses set to 64 due to a known inconsistency in processor reporting with this Java version. * The test was started via Remote Desktop * JVM Settings: * Each JVM instance was affinitized to two threads. * Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark. * Windows Balanced Power Plan Settings: * Turn off the display : 1min * Turn off hard disk after: 1min * PCI Express: Link State Power Management = Maximum power saving * Minimum Processor State = 0% * Using Windows PowerShell, set the following powercfg properties: * Powercfg /setacvalueindex scheme_current sub_processor PERFEPP 100 * powercfg /setactive scheme_current * The system ROM used for this result contains AMD AGESA version 6221000B00000000 for the AMD EPYC 8325P processor Controller System HARDWARE Hardware Vendor: HP Model: HP EliteBook 745 G6 CPU Description: AMD Ryzen 7 PRO 3700U Memory amount (GB): 32 SOFTWARE Operating System (OS): Microsoft Windows Server 2019 Standard JVM Vendor: OpenJDK JVM Version: OpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode) CCS Version: 1.2.6 Measurement Devices POWER ANALYZER PWR1 Hardware Vendor: YOKOGAWA, Inc. Model: WT310E Serial Number: C2ZG04126V Connectivity: USB2 Input Connection: Default Metrology Institute: NML (National Measurement Laboratory) Accredited by: Omnio Calibration Lab. Co., Ltd. Calibration Label: T120104 Date of Calibration: 02-Feb-2026 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: iButtonLink, Inc. Model: LinkUSBi + T-Probe Driver Version: FTDI USB Serial Device 1.0 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 None Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 257 | 20.2 90% | 245 | 20.2 80% | 232 | 20.2 70% | 211 | 20.2 60% | 192 | 20.2 50% | 179 | 20.3 40% | 169 | 20.2 30% | 158 | 20.3 20% | 147 | 20.4 10% | 133 | 20.3 Active Idle | 87.4 | 20.4 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 208V / 60 Hz / 1 phase / | 20.2 | 132 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20260505-01575-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 6,492,954 Calibration 2 | | | 6,451,377 Calibration 3 | | | 6,462,226 ssj_ops@calibrated=6,456,802 100% | 99.7% | 6,456,802 | 6,437,525 90% | 90.1% | 5,811,122 | 5,814,378 80% | 80.0% | 5,165,442 | 5,168,247 70% | 70.0% | 4,519,761 | 4,521,234 60% | 60.0% | 3,874,081 | 3,872,966 50% | 50.0% | 3,228,401 | 3,228,714 40% | 40.0% | 2,582,721 | 2,582,906 30% | 29.9% | 1,937,041 | 1,930,982 20% | 20.0% | 1,291,360 | 1,289,343 10% | 10.1% | 645,680 | 650,028 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20260505-01575.WIN-PUJJIRV73M3.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]