SPECpower_ssj2008

Lenovo Global Technology ThinkSystem SN850			SPECpower_ssj2008 = 12,295 overall ssj_ops/watt
Test Sponsor:	Lenovo Global Technology	SPEC License #:	9017	Test Method:	Multi Node
Tested By:	Lenovo Global Technology	Test Location:	Beijing, China	Test Date:	Jul 19, 2019
Hardware Availability:	Apr-2019	Software Availability:	Dec-2018	Publication:	Aug 21, 2019
System Source:	Single Supplier	System Designation:	Server	Power Provisioning:	Line-powered

# of Nodes	# of Chips	# of Cores	# of Threads	Total RAM (GB)	# of OS Images	# of JVM Instances
7	28	784	1,568	2,688	7	784

Shared Hardware
Enclosure:	Lenovo Flex System Enterprise Chassis with CMM2 (00FJ669) standard (Model 8721)
Form Factor:	10U
Power Supply Quantity and Rating (W):	6 x 2500
Power Supply Details:	Flex System Enterprise Chassis 2500W Power Module (Lenovo P/N:43W9049)
Network Switch:	Extreme Summit X670V
Network Switch Details:	48-PORT Extreme Summit X670V
KVM Switch:	None
KVM Switch Details:	None
Other Hardware:	None
Comment:	Network switch did not measure for Power

Hardware per Node
Hardware Vendor:	Lenovo Global Technology
Model:	ThinkSystem SN850
Form Factor:	10U
CPU Name:	Intel Xeon Platinum 8276L
CPU Characteristics:	28-Core, 2.20 GHz, 39424 KB L3 Cache
CPU Frequency (MHz):	2200
CPU(s) Enabled:	112 cores, 4 chips, 28 cores/chip
Hardware Threads:	224 (2 / core)
CPU(s) Orderable:	2,4 chips
Primary Cache:	32 KB I + 32 KB D on chip per core
Secondary Cache:	1 MB I+D on chip per core
Tertiary Cache:	39424 KB I+D on chip per chip
Other Cache:	None
Memory Amount (GB):	384
# and size of DIMM:	24 x 16 GB
Memory Details:	16GB 2Rx8 PC4-2933V-RE1-12-MA0; slots 1,3,5,8,10,12,13,15,17,20,22,24,25,27,29,32,34,36,37,39,41,44,46 and 48 for each processor
Power Supply Quantity and Rating (W):	None
Power Supply Details:	Shared
Disk Drive:	1 x 128GB M.2 SSD (Lenovo P/N 7N47A00130)
Disk Controller:	Integrated SATA controller
# and type of Network Interface Cards (NICs) Installed:	1 x Intel Ethernet Connection X722 for 10GBASE-T
NICs Enabled in Firmware / OS / Connected:	1/1/1
Network Speed (Mbit):	1000
Keyboard:	None
Mouse:	None
Monitor:	None
Optical Drives:	No
Other Hardware:	None

Software per Node
Power Management:	Enabled (see SUT Notes)
Operating System (OS):	SUSE Linux Enterprise Server 12 SP4
OS Version:	Kernel 4.12.14-94.41-default
Filesystem:	btrfs
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
JVM Command-line Options:	-server -Xmn1300m -Xms1550m -Xmx1550m -XX:SurvivorRatio=1 -XX:TargetSurvivorRatio=99 -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=4 -XX:LoopUnrollLimit=45 -XX:InitialTenuringThreshold=12 -XX:MaxTenuringThreshold=15 -XX:ParallelGCThreads=2 -XX:InlineSmallCode=3900 -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500 -XX:+AggressiveOpts -XX:+UseLargePages -XX:+UseParallelOldGC -XX:LargePageSizeInBytes=2m
JVM Affinity:	for each physicalCore { numactl -C physicalCoreId, physicalCoreId + 112 }
JVM Instances:	112
JVM Initial Heap (MB):	1550
JVM Maximum Heap (MB):	1550
JVM Address Bits:	64
Boot Firmware Version:	IVE141C
Management Firmware Version:	TEI351C
Workload Version:	SSJ 1.2.10
Director Location:	Controller
Other Software:	None

none

Benchmark started via ssh
Each JVM instance was affinitized to two threads on a single socket
echo 960000 > /proc/sys/kernel/sched_rt_runtime_us
echo 16000000 > /proc/sys/kernel/sched_latency_ns
echo 9000000 > /proc/sys/kernel/sched_min_granularity_ns
N/A: The test sponsor attests, as of date of publication, that CVE-2017-5754 (Meltdown) is mitigated in the system as tested and documented
Yes: The test sponsor attests, as of date of publication, that CVE-2017-5753 (Spectre variant 1) is mitigated in the system as tested and documented
Yes: The test sponsor attests, as of date of publication, that CVE-2017-5715 (Spectre variant 2) is mitigated in the system as tested and documented

Software
Operating System (OS):	Microsoft Windows Server 2012 R2 DataCenter - Version 6.3.9600 (Build 9600)
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

Power Analyzer pwr1
Hardware Vendor:	YOKOGAWA, Inc.
Model:	WT310E
Serial Number:	C3SH31010E
Connectivity:	USB2
Input Connection:	Default
Metrology Institute:	China National Accreditation Service for Conformity Assessment (CNAS)
Accredited by:	China CEPREI Laboratory
Calibration Label:	1GA18013618-0008
Date of Calibration:	29-Oct-2018
PTDaemon Host System:	same as CCS
PTDaemon Host OS:	same as CCS
PTDaemon Version:	1.9.0-ee285d08-20190201
Setup Description:	Connected to PSU 1,PSU 2,PSU 3

Power Analyzer pwr2
Hardware Vendor:	YOKOGAWA, Inc.
Model:	WT310
Serial Number:	C2RA21003V
Connectivity:	USB2
Input Connection:	Default
Metrology Institute:	China National Accreditation Service for Conformity Assessment (CNAS)
Accredited by:	China CEPREI Laboratory
Calibration Label:	1GA18013618-0007
Date of Calibration:	29-Oct-2018
PTDaemon Host System:	same as CCS
PTDaemon Host OS:	same as CCS
PTDaemon Version:	1.9.0-ee285d08-20190201
Setup Description:	Connected to PSU 4,PSU 5,PSU 6

SPECpower_ssj.props input.load_level.number_warehouses set to 224 due to a known inconsistency in processor reporting with this Java version.

Target Load	Average Active Power (W)	Minimum Ambient Temperature (°C)
100%	4,985	23.8
90%	4,338	23.9
80%	3,879	24.1
70%	3,455	23.7
60%	3,075	23.5
50%	2,723	23.3
40%	2,458	23.1
30%	2,202	23.4
20%	1,939	23.7
10%	1,651	23.7
Active Idle	1,052	23.8

Line Standard	Minimum Temperature (°C)	Elevation (m)
220V / 60 Hz / 1 phase / 2 wires	23.1	43

See the Power/Temperature Details Report for additional details.

See the Aggregate Performance Report for additional details.

SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]