Dell Inc. PowerEdge M915 SPECpower_ssj2008 = 2,716 overall ssj_ops/watt
Test Sponsor: Dell Inc. SPEC License #: 55 Test Method: Multi Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Jun 28, 2011
Hardware Availability: Jun-2011 Software Availability: Feb-2011 Publication: Aug 2, 2011
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% 99.5% 14,793,524 4,219 3,506
90% 90.1% 13,398,423 3,939 3,401
80% 80.0% 11,901,540 3,493 3,407
70% 70.0% 10,416,122 3,183 3,272
60% 60.0% 8,921,763 2,947 3,028
50% 50.0% 7,437,628 2,706 2,749
40% 40.0% 5,944,683 2,457 2,420
30% 30.0% 4,464,541 2,268 1,969
20% 20.0% 2,967,821 2,013 1,474
10% 10.0% 1,484,822 1,796 827
Active Idle 0 1,068 0
∑ssj_ops / ∑power = 2,716
Graph of results
Aggregate SUT Data
# of Nodes # of Chips # of Cores # of Threads Total RAM (GB) # of OS Images # of JVM Instances
8 32 384 384 256 8 64
System Under Test
Shared Hardware
Shared Hardware
Enclosure: Dell PowerEdge M1000e
Form Factor: 10U
Power Supply Quantity and Rating (W): 3 x 2700
Power Supply Details: Dell PN G803N
Network Switch: Dell PowerConnect 6348
Network Switch Details: Dell PowerConnect 6348
KVM Switch: None
KVM Switch Details: N/A
Other Hardware: Dell M1000e Chassis Management Controller, Dell 16-Port Gigabit Ethernet Pass-Through Module
Comment: Network switch not measured for power
Set: 'sut'
Set Identifier: sut
Set Description: PowerEdge M915
# of Identical Nodes: 8
Comment: None
Hardware per Node
Hardware Vendor: Dell Inc.
Model: PowerEdge M915
Form Factor: Blade
CPU Name: AMD Opteron 6176 (2.30 GHz)
CPU Characteristics: 12 Core, 2.30 GHz, 12 MB L3 Cache
CPU Frequency (MHz): 2300
CPU(s) Enabled: 48 cores, 4 chips, 12 cores/chip
Hardware Threads: 48 (1 / core)
CPU(s) Orderable: 2,4 chips
Primary Cache: 64 KB I + 64 KB D on chip per core
Secondary Cache: 512 KB I+D on chip per core
Tertiary Cache: 12 MB I+D on chip per chip, 6MB shared / 6 cores
Other Cache: None
Memory Amount (GB): 32
# and size of DIMM: 16 x 2048 MB
Memory Details: 2GB 1Rx8 PC3L-10600R ECC RDIMM, Slots A1-A4, B1-B4, C1-C4, D1-D4 populated
Power Supply Quantity and Rating (W): None
Power Supply Details: N/A
Disk Drive: 1 x 50 GB 2.5" SSD P/N X2N7H
Disk Controller: PERC H200 Modular
# and type of Network Interface Cards (NICs) Installed: 2 x onboard dual-port 1 Gigabit Ethernet
NICs Enabled in Firmware / OS / Connected: 2/2/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software per Node
Power Management: Balanced Mode in OS (See Notes)
Operating System (OS): Windows 2008 Server Enterprise x64 Edition
OS Version: R2 SP1
Filesystem: NTFS
JVM Vendor: IBM Corporation
JVM Version: IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows Server 2008 amd64-64 jvmwa64 60sr5-20090519_35743 (JIT enabled, AOT enabled)
JVM Command-line Options: -Xaggressive -Xcompressedrefs -Xgcpolicy:gencon -Xmn1400m -Xms1875m -Xmx1875m -XlockReservation -Xnoloa -XtlhPrefetch -Xlp
JVM Affinity: start /affinity [3F, FC0, 3F000, FC0000, 3F000000, FC0000000, 3F000000000, FC0000000000]
JVM Instances: 8
JVM Initial Heap (MB): 1875
JVM Maximum Heap (MB): 1875
JVM Address Bits: 64
Boot Firmware Version: 1.0.3
Management Firmware Version: iDRAC 3.21 build 48
Workload Version: SSJ 1.2.6
Director Location: Controller
Other Software: IBM WebSphere Application Server
Boot Firmware Settings
  • Disabled DRAM Prefetcher in BIOS.
  • Disabled Hardware Prefetch Training on Software Prefetch in BIOS.
  • Disabled Hardware Prefetcher in BIOS.
  • HT1 set in BIOS.
  • Memory Speed set to 1066MHz in BIOS.
  • DAPC Mode Enabled.
  • NIC 3 and 4 disabled in BIOS.
    • Management Firmware Settings
    none
    System Under Test Notes
    Controller System
    Hardware
    Hardware Vendor: Dell Inc.
    Model: PowerEdge 1950
    CPU Description: Intel Xeon 5160
    Memory amount (GB): 4
    Software
    Operating System (OS): Microsoft Windows 2003 Server Enterprise Edition
    JVM Vendor: Oracle Corporation
    JVM Version: Jrockit(R) 1.6.0_02 build R26.4.0-63 (32-bit)
    CCS Version: 1.2.4
    Measurement Devices
    Power Analyzer pwr1
    Hardware Vendor: Yokogawa Electric International Pte. Ltd.
    Model: WT210
    Serial Number: 91KA21980
    Connectivity: RS-232
    Input Connection: Default
    Calibration Institute: NIST
    Accredited by: Simco Electronics
    Calibration Label: 33427-2602
    Date of Calibration: 08-Nov-2010
    PTDaemon Host System: same as CCS
    PTDaemon Host OS: same as CCS
    PTDaemon Version: 1.4.0-7071d9e7
    Setup Description: Connected to Power Supplies 1 and 2
    Power Analyzer pwr2
    Hardware Vendor: Yokogawa Electric International Pte. Ltd.
    Model: WT210
    Serial Number: 91KA21978
    Connectivity: RS-232
    Input Connection: Default
    Calibration Institute: NIST
    Accredited by: Simco Electronics
    Calibration Label: 33427-2600
    Date of Calibration: 08-Nov-2010
    PTDaemon Host System: same as CCS
    PTDaemon Host OS: same as CCS
    PTDaemon Version: 1.4.0-7071d9e7
    Setup Description: Connected to Power Supply 3
    Temperature Sensor temp1
    Hardware Vendor: Digi International Inc.
    Model: Watchport/H
    Driver Version: Watchport Virtual Port 5.30.2.0
    Connectivity: USB
    PTDaemon Host System: same as CCS
    PTDaemon Host OS: same as CCS
    Setup Description: 5mm in front of SUT air intake
    Notes
    None
    Aggregate Electrical and Environmental Data
    Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
    100% 4,219 21.8
    90% 3,939 21.8
    80% 3,493 21.8
    70% 3,183 21.8
    60% 2,947 21.6
    50% 2,706 21.6
    40% 2,457 21.6
    30% 2,268 21.6
    20% 2,013 21.7
    10% 1,796 21.7
    Active Idle 1,068 21.8
    Line Standard Minimum Temperature (°C) Elevation (m)
    208V / 60 Hz / 1 phase / 1 wire 21.6 255
    See the Power/Temperature Details Report for additional details.
    Aggregate Performance Data
    Target Load Actual Load ssj_ops
    Target Actual
    Calibration 1     14,875,914
    Calibration 2     14,869,453
    Calibration 3     14,871,104
    ssj_ops@calibrated=14,870,279
    100% 99.5% 14,870,279 14,793,524
    90% 90.1% 13,383,251 13,398,423
    80% 80.0% 11,896,223 11,901,540
    70% 70.0% 10,409,195 10,416,122
    60% 60.0% 8,922,167 8,921,763
    50% 50.0% 7,435,139 7,437,628
    40% 40.0% 5,948,112 5,944,683
    30% 30.0% 4,461,084 4,464,541
    20% 20.0% 2,974,056 2,967,821
    10% 10.0% 1,487,028 1,484,822
    Active Idle   0 0
    Graph of results
    See the Aggregate Performance Report for additional details.