SPECpower_ssj2008
Copyright © 2007-2026 Standard Performance Evaluation Corporation
| Supermicro SuperServer AS-1115SV-WTNRT | SPECpower_ssj2008 = 23,723 overall ssj_ops/watt | ||||
| Test Sponsor: | Supermicro | SPEC License #: | 1176 | Test Method: | Single Node |
| Tested By: | Supermicro | Test Location: | San Jose, CA, USA | Test Date: | Apr 29, 2026 |
| Hardware Availability: | May-2026 | Software Availability: | May-2026 | Publication: | May 22, 2026 |
| System Source: | Single Supplier | System Designation: | Server | Power Provisioning: | Line-powered |
| Performance | Power | Performance to Power Ratio | ||
|---|---|---|---|---|
| Target Load | Actual Load | ssj_ops | Average Active Power (W) | |
| 100% | 99.6% | 9,902,428 | 308 | 32,151 |
| 90% | 90.0% | 8,950,358 | 291 | 30,749 |
| 80% | 80.0% | 7,951,691 | 271 | 29,349 |
| 70% | 70.0% | 6,957,038 | 245 | 28,426 |
| 60% | 60.0% | 5,961,948 | 226 | 26,439 |
| 50% | 50.0% | 4,972,643 | 209 | 23,802 |
| 40% | 39.9% | 3,967,208 | 192 | 20,640 |
| 30% | 30.0% | 2,980,698 | 176 | 16,956 |
| 20% | 20.0% | 1,987,580 | 158 | 12,546 |
| 10% | 10.0% | 996,510 | 139 | 7,149 |
| Active Idle | 0 | 87.7 | 0 | |
| ∑ssj_ops / ∑power = | 23,723 | |||
| 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 8535P 2.0 GHz |
| CPU Characteristics: | 64-Core, 2.0 GHz, 256MB L3 Cache |
| CPU Frequency (MHz): | 2000 |
| CPU(s) Enabled: | 64 cores, 1 chip, 64 cores/chip |
| Hardware Threads: | 128 (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 / 8 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 (W): | 1 x 860 |
| 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 Cards (NICs) Installed: | 1 x Dual LAN BCM 57416 10GbE BaseT Ethernet Controller |
| 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: | 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 -Xmn750m -Xms850m -Xmx850m -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, 0x300, 0xC00, 0x3000, 0xC000 ] |
| JVM Instances: | 64 |
| JVM Initial Heap (MB): | 850 |
| JVM Maximum Heap (MB): | 850 |
| 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 |
| 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 |
| 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 |
| Target Load | Average Active Power (W) | Minimum Ambient Temperature (°C) |
|---|---|---|
| 100% | 308 | 21.0 |
| 90% | 291 | 21.0 |
| 80% | 271 | 21.0 |
| 70% | 245 | 20.9 |
| 60% | 226 | 20.9 |
| 50% | 209 | 20.9 |
| 40% | 192 | 20.9 |
| 30% | 176 | 20.8 |
| 20% | 158 | 20.9 |
| 10% | 139 | 20.8 |
| Active Idle | 87.7 | 20.9 |
| Line Standard | Minimum Temperature (°C) | Elevation (m) |
|---|---|---|
| 208V / 60 Hz / 1 phase / 2 wires | 20.8 | 132 |
| Target Load | Actual Load | ssj_ops | |
|---|---|---|---|
| Target | Actual | ||
| Calibration 1 | 9,990,575 | ||
| Calibration 2 | 9,938,470 | ||
| Calibration 3 | 9,941,280 | ||
| ssj_ops@calibrated=9,939,875 | |||
| 100% | 99.6% | 9,939,875 | 9,902,428 |
| 90% | 90.0% | 8,945,887 | 8,950,358 |
| 80% | 80.0% | 7,951,900 | 7,951,691 |
| 70% | 70.0% | 6,957,912 | 6,957,038 |
| 60% | 60.0% | 5,963,925 | 5,961,948 |
| 50% | 50.0% | 4,969,937 | 4,972,643 |
| 40% | 39.9% | 3,975,950 | 3,967,208 |
| 30% | 30.0% | 2,981,962 | 2,980,698 |
| 20% | 20.0% | 1,987,975 | 1,987,580 |
| 10% | 10.0% | 993,987 | 996,510 |
| Active Idle | 0 | 0 | |
