SPECpower_ssj2008 Copyright (C) 2007-2025 Standard Performance Evaluation Corporation Dell Inc. PowerEdge R770 SPECpower_ssj2008 = 21,232 overall ssj_ops/watt Test Sponsor: Dell Inc. SPEC License #: 6573 Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Mar 5, 2025 Publication: Mar 26, 2025 Hardware Availability: Mar-2025 Software Availability: Oct-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% | 99.7% | 24,658,201 | 960 | 25,690 90% | 90.0% | 22,262,550 | 950 | 23,441 80% | 80.0% | 19,792,528 | 816 | 24,260 70% | 70.0% | 17,320,189 | 701 | 24,722 60% | 60.0% | 14,837,018 | 628 | 23,640 50% | 50.1% | 12,386,302 | 553 | 22,403 40% | 40.0% | 9,896,169 | 501 | 19,750 30% | 30.0% | 7,428,967 | 442 | 16,820 20% | 20.0% | 4,942,417 | 383 | 12,902 10% | 10.0% | 2,473,088 | 309 | 8,015 Active Idle | 0 | 164 | 0 sum of ssj_ops / sum of power = | 21,232 System Under Test Set: 'sut' Set Identifier: sut Set Description: System Under Test # of Identical Nodes: 1 Comment: SUT HARDWARE Hardware Vendor: Dell Inc. Model: PowerEdge R770 Form Factor: 2U CPU Name: Intel Xeon 6787P 2.0 GHz (Intel Turbo Boost Technology up to 3.80 GHz) CPU Characteristics: 86-Core, 2.00 GHz, 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: 32 KB I + 48 KB D on chip per core Secondary Cache: 2 MB I+D on chip per core 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: 32GB 1Rx4 PC5-6400; slots Slots A1-8, B1-B8 populated. Power Supply Quantity and Rating 1 x 1500 (W): Power Supply Details: 1500W 60mm Titanium - mixed mode, Dell p/n GRD17 Disk Drive: 1 x Dell EC NVMe ISE 7450 RI M.2 80 480GB, Dell p/n 3H1F4 Disk Controller: BOSS controller card, Dell p/n CMFVP # and type of Network Interface 1 x 1GbE BT 4P Broadcom OCP 3.0, Dell p/n Cards (NICs) Installed: M2PYY NICs Enabled in Firmware / OS / 4/4/1 Connected: Network Speed (Mbit): 1000 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 Standard OS Version: Version 21H2(OS Build 20348.1251) Filesystem: NTFS JVM Vendor: Oracle Corporation JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 17.0.13+10-LTS-268, mixed mode) JVM Command-line Options: -server -Xms1300m -Xmx1300m -Xmn1100m -XX:+UseBiasedLocking -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:CompileThresholdScaling=220 JVM Affinity: start /NODE [0,2,5,8,10,13,16,18,21,24,26,29] [1,3,4,6,7,9,11,12,14,15,17,19,20,22,23,25,2 7,28,30,31] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00][0x3,0xC,0x30 ,0xC0,0x300] JVM Instances: 172 JVM Initial Heap (MB): 1300 JVM Maximum Heap (MB): 1300 JVM Address Bits: 64 Boot Firmware Version: 0.5.62 Management Firmware Version: 1.20.25.00 Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None Boot Firmware Settings * DIMM Self Healing (Post Package Repair) on Uncorrectable Memory Error: Disabled * Hardware Prefetcher: Disabled * Adjacent Cache Line Prefetch: Disabled * DCU Streamer Prefetcher: Disabled * Virtual NUMA: Enabled * Virtual NUMA Nodes:8 * MADT Core Enumeration: Linear * System Profile: Custom * CPU Power Management: System DBPM(DAPC) * Energy Efficient Policy: Energy Efficient Management Firmware Settings See SUT Notes System Under Test Notes * SPECpower_ssj.props input.load_level.number_warehouses set to 344 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 Power Saver Settings: * Turn off Hard Disk after 1 minute * Turn off Display after 1 minute * Using Windows PowerShell, set the following powercfg properties:powercfg /qh scheme_current sub_processor perfboostmode * powercfg /setacvalueindex scheme_current sub_processor perfboostmode 3 * powercfg /qh scheme_current sub_processor perfboostmode * powercfg /setactive scheme_current * The system ROM used for this result contains Intel microcode version 0x1000380 for the Intel Xeon 6787P processor. Controller System HARDWARE Hardware Vendor: Dell Inc Model: PowerEdge R450 CPU Description: 2 x Intel Xeon Silver 4310 CPU, 2.10 GHz Memory amount (GB): 64 SOFTWARE Operating System (OS): Microsoft Windows Server 2022 Datacenter JVM Vendor: Oracle Corporation JVM Version: Hotspot(TM) Client VM, version 15.0.2+7 (build 15.0.2+7, mixed mode) CCS Version: 1.2.6 Measurement Devices POWER ANALYZER PWR1 Hardware Vendor: Yokogawa Meters and Instruments Corporation Model: WT310E Serial Number: T11733387 Connectivity: RS-232 Input Connection: Default Metrology Institute: NIST Accredited by: TesCom Calibration Label: T11733387 Date of Calibration: 24-Jul-2025 PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS PTDaemon Version: 1.11.1-462c978e-20240907 Setup Description: Connected to power supply TEMPERATURE SENSOR TEMP1 Hardware Vendor: Digi International Inc. Model: Watchport/H Driver Version: 5.10.26.0 Connectivity: USB PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS Setup Description: 25 mm in front of SUT main airflow intake Notes None Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 960 | 21.2 90% | 950 | 21.2 80% | 816 | 21.2 70% | 701 | 21.2 60% | 628 | 21.2 50% | 553 | 21.2 40% | 501 | 21.2 30% | 442 | 21.2 20% | 383 | 21.2 10% | 309 | 21.2 Active Idle | 164 | 21.2 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 208V / 60 Hz / 1 phase / | 21.2 | 255 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20250310-01503-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 25,039,705 Calibration 2 | | | 24,735,725 Calibration 3 | | | 24,751,026 ssj_ops@calibrated=24,743,376 100% | 99.7% | 24,743,376 | 24,658,201 90% | 90.0% | 22,269,038 | 22,262,550 80% | 80.0% | 19,794,701 | 19,792,528 70% | 70.0% | 17,320,363 | 17,320,189 60% | 60.0% | 14,846,025 | 14,837,018 50% | 50.1% | 12,371,688 | 12,386,302 40% | 40.0% | 9,897,350 | 9,896,169 30% | 30.0% | 7,423,013 | 7,428,967 20% | 20.0% | 4,948,675 | 4,942,417 10% | 10.0% | 2,474,338 | 2,473,088 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20250310-01503.WIN-49UQJG8HUS6.txt) for additional details. Copyright (C) 2007-2025 Standard Performance Evaluation Corporation http://www.spec.org - info@spec.org SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]