Intel Xeon Phi 7120P “Knights Corner” x86 Coprocessor Up Close

Currently, Intel’s premier Xeon Phi product is the 7120P. It offers the most cores, the fastest clock speed, the most memory and the greatest performance. We’ve got these cards running in our lab – here’s a photo:

Photo of Intel Xeon Phi 7120P Coprocessor

The Phi 7120 is also unique in that it is the only model with Turbo Boost enabled, allowing its clock speed to boost from 1.238GHz to 1.333GHz.

Here’s the information dump from Intel’s micinfo utility on the passively-cooled Xeon Phi 7120P:

[root@centos6 ~]# /opt/intel/mic/bin/micinfo
MicInfo Utility Log

Created Fri Sep  6 18:28:46 2013

        System Info
                HOST OS                 : Linux
                OS Version              : 2.6.32-358.18.1.el6.x86_64
                Driver Version          : 6720-16
                MPSS Version            : 2.1.6720-16
                Host Physical Memory    : 32848 MB

Device No: 0, Device Name: mic0

                Flash Version            :
                SMC Firmware Version     : 1.11.4404
                SMC Boot Loader Version  : 1.8.4326
                uOS Version              :
                Device Serial Number     : xxxxxxxx492

                Vendor ID                : 0x8086
                Device ID                : 0x225c
                Subsystem ID             : 0x7d95
                Coprocessor Stepping ID  : 2
                PCIe Width               : x16
                PCIe Speed               : 5 GT/s
                PCIe Max payload size    : 256 bytes
                PCIe Max read req size   : 512 bytes
                Coprocessor Model        : 0x01
                Coprocessor Model Ext    : 0x00
                Coprocessor Type         : 0x00
                Coprocessor Family       : 0x0b
                Coprocessor Family Ext   : 0x00
                Coprocessor Stepping     : C0
                Board SKU                : C0-7120P/7120X/7120
                ECC Mode                 : Enabled
                SMC HW Revision          : Product 300W Passive CS

                Total No of Active Cores : 61
                Voltage                  : 952000 uV
                Frequency                : 1238095 kHz

                Fan Speed Control        : N/A
                Fan RPM                  : N/A
                Fan PWM                  : N/A
                Die Temp                 : 63 C

                GDDR Vendor              : Samsung
                GDDR Version             : 0x6
                GDDR Density             : 4096 Mb
                GDDR Size                : 15872 MB
                GDDR Technology          : GDDR5
                GDDR Speed               : 5.500000 GT/s
                GDDR Frequency           : 2750000 kHz
                GDDR Voltage             : 1501000 uV
Eliot Eshelman

About Eliot Eshelman

My interests span from astrophysics to bacteriophages; high-performance computers to small spherical magnets. I've been an avid Linux geek (with a focus on HPC) for more than a decade. I work as Microway's Vice President of Strategic Accounts and HPC Initiatives.
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