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]