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Linux on POWERemPOWER your Open Source
Andrea Nardone
Technical Sales
IBM POWER Systems
Agenda
• POWER8 Technology
• OpenPOWER Foundation and IBM’s strategy
• MariaDB and POWER8
• From x86 to POWER
POWER8 Servers
IBM POWER8 in the press
What do they say about us...
To make the chip faster, IBM has turned to a more advanced manufacturing process,
increased the clock speed and added more cache memory, but perhaps the biggest
change heralded by the Power8 cannot be found in the specifications. After years of
restricting Power processors to its servers, IBM is throwing open the gates and
will be licensing Power8 to third-party chip and component makers.
POWER8 is so clearly engineered for midrange and enterprise systems for running
applications on a giant shared memory space, backed by lots of cores and threads.
It most certainly does belong in a badass server, and Power8 is by far one of the
most elegant chips that Big Blue has ever created, based on the initial specs.
With Power8, IBM has more than doubled the sustained memory bandwidth
from the Power7 and Power7+, to 230 GB/s, as well as I/O speed, to 48 GB/s. Put
another way, Watson’s ability to look up and respond to information has more than
doubled as well.
Called Power8, the new chip delivers impressive numbers, doubling the
performance of its already powerful predecessor, Power7+. Oracle currently
leads in server-processor performance, but IBM’s new chip will crush those records.
The Power8 specs are mind boggling
POWER8 Processor Highlights
Innovation across the whole chip
Cores
•12 cores (SMT8)
•8 dispatch, 10 issue,
16 exec pipe
•2X internal data
flows/queues
•Enhanced prefetching
•64K data cache, 32K
instruction cache
Accelerators
•Crypto & memory
expansion
•Transactional Memory
•VMM assist
•Data Move / VM
Mobility
Caches
•512 KB SRAM L2 / core
•96 MB eDRAM shared L3
•Up to 128 MB eDRAM L4
(off-chip)
Memory
•Up to 230 GB/s sustained
bandwidth
• - 25% memory latency
improvement via on-chip
fastpath interconnect
Bus Interfaces
•Durable open memory
attach interface
•Integrated PCIe Gen3
•SMP Interconnect
•CAPI (Coherent
Accelerator Processor
Interface)
Technology
•22nm SOI, eDRAM, 15 ML 650mm2
Energy Management
•On-chip Power Management Micro-controller
•Integrated Per-core VRM
•Critical Path Monitors
POWER8 Processor Highlights
Innovation across the whole chip
Cores
•12 cores (SMT8)
•8 dispatch, 10 issue,
16 exec pipe
•2X internal data
flows/queues
•Enhanced prefetching
•64K data cache, 32K
instruction cache
Accelerators
•Crypto & memory
expansion
•Transactional Memory
•VMM assist
•Data Move / VM
Mobility
Caches
•512 KB SRAM L2 / core
•96 MB eDRAM shared L3
•Up to 128 MB eDRAM L4
(off-chip)
Memory
•Up to 230 GB/s sustained
bandwidth
• - 25% memory latency
improvement via on-chip
fastpath interconnect
Bus Interfaces
•Durable open memory
attach interface
•Integrated PCIe Gen3
•SMP Interconnect
•CAPI (Coherent
Accelerator Processor
Interface)
Technology
•22nm SOI, eDRAM, 15 ML 650mm2
Energy Management
•On-chip Power Management Micro-controller
•Integrated Per-core VRM
•Critical Path Monitors
IBM POWER Systems Family
7
Power
770
Power
780
Power
710
Power
730
Power
720
Power
740
IBM Systems Software
Power
795
Power S812L
Power S822L
Power
750
Power
760
Power
S824
Power
S822
Power
S814
POWER7+
POWER8
POWER7
Power
E870
Power
E880
Power
S824L
IBM POWER8 Systems Family on Linux
8
IBM Systems Software
S812L
10, 12 Cores
3.02 – 3.42 GHz
S822L
20, 24 Cores
3.02 – 3.42 GHz
Linux-only Machines (Entry-Level) IFL (High-End)
S824L
20, 24 Cores
3.02 – 3.42 GHz
(1-2 NVidia GPU)
Power
E870
32 to 80 Cores
4.02 - 4.19 GHz
Power
E880
64 cores
4.35 GHz
Linux support for IBM POWER
SUSE, RHEL, Ubuntu and more...
9
RHEL 7.1 (LE and BE) POWER8 (native mode) and
POWER 7/7+
RHEL 6 (BE)• POWER8 supported with U5
(P7-compatibility mode)• Full support of POWER6 and
POWER7(native mode)
Fedora (LE + BE)• Fedora 16 was first release to
re-launch POWER• Fedora 20 has POWER8
support• Fedora 21 has LE and BE
support
Supported add-ons• JBoss• High Performance Network Add-
on
Built from the same source as x86
Delivered on the same schedule as x86
Supported at the same time as x86
SLES 12 (LE)• POWER8 (native mode) and
POWER 7/7+
SLES 11 (BE) POWER8 with SP3 (P7-
compatibility mode) POWER7+ encryption, RNG
accelerators with SP3 Full support of POWER7 (native
mode)
openSUSE (LE + BE)• openSUSE 12.2 re-launched for
IBM POWER• openSUSE 13.2 includes
POWER8 support
Supported add-ons• SUSE Linux Enterprise High
Availability Extension
Ubuntu 14.10 (LE) POWER8 (native mode)
Ubuntu 14.04 (LE) POWER8 enabled (native
mode) No official support for
POWER7+ and older systems No support for 32-bit
applications. 64-bit only. Supported in KVM only at this
time
Supported add-ons• JuJu Charms• MaaS (Metal as a Service)• Landscape
Debian (LE + BE)• Debian community now
supports Power as of Sid release
OpenPOWER
Foundation
The OpenPOWER Foundation
Opening the architecture to Partners
11
The goal is to create an open ecosystem, using the POWER Architecture to share
expertise, investment, and server-class intellectual property to serve the evolving
needs of the customers.
Open ecosystem based on the IBM POWER Architecture.
Allows the industry to
innovate across the full
Hardware and Software
stack.
Provide partners and customers with the flexibility to build servers best suited to the Power architecture.
Platinum Members
Founding Members
12 MariaDB Roadshow in Düsseldorf,
München und Wien im April 2015
Welcoming new members in all areas of the ecosystem
100+ inquiries and numerous active dialogues underway
I/O / Storage / Acceleration
Chip / SoC
System / Software / Services
Implementation / HPC / Research
HuaxunZhongxingTech. Co.
Boards / Systems
https://ibm.biz/BdE5RD
OpenPOWER Ecosystem
Based on open and existing standards
MariaDB Roadshow in Düsseldorf, München und Wien im April 2015 13
Cloud
Software
Operating
System / KVM
Standard Operating
Environment
(System Mgmt)
Firmware
Hardware OpenPOWER
Technology
OpenPOWER
Firmware
Software
Open
Source
Hardware
POWER
Arch.
CAPI
OpenPOWER compliant products
Also non-IBM Products
MariaDB Roadshow in Düsseldorf, München und Wien im April 2015 14
Palmetto System TYAN GN70-BP010 is the first commercialized customer
reference system provided from an official member from the OpenPOWER
ecosystem, it is based POWER 8 Architecture and follows the OpenPOWER
Foundation's design concept.
• POWER8 Turismo SCM Processor
• 4x DDR3L-16000 MHz memory DIMMS
• 500 GB 3.5’’ HDD
Servergy, Inspur, ChuangHe, ZTE, and
Hitachi have also committed to create
Power8-based servers
MariaDB and LAMP
Stack
MariaDB performance on Linux on POWER
Providing more capabilities to the Software
Results show that MariaDB is more performant on POWER8 than on x86, up to:
2.2x trasactions/second
/core
1.9x trasactions/second
/system
IBM Power S822L vs. IBM x3650 M4 – per core(Both running Ubuntu as KVM guest – Sysbench benchmark)
Read-
only
Read-
Write
Tra
ns
acti
on
/ seco
nd
/ c
ore
Read-
only
Read-
Write
2.2x
2.1xT
ran
sacti
on
/ seco
nd
/ s
yste
m
IBM Power S822L vs. IBM x3650 M4 - per system(Both running Ubuntu as KVM guest – Sysbench benchmark)
1.7x
1.9x
Read-
only
Read-
Write
Read-
only
Read-
Write
More info: https://ibm.biz/BdXiA8
MariaDB performance on Linux on POWER
Why so great?
The reasons why this level of performance can be achieved can be linked to:
• SMT8 (8 symultaneous threads per core)
– Enable more transactions to be conducted in parallel, optimizing throughput
• Large on-chip cache
– Larger «workplace» for the chip to store data and do operations, before being
written to the Memory subsystem; that minimizes latency
• High memory (230 GB/s) and I/O bandwith (192 GB/s)
– More bandwidth for transactions to be written on disk and/or loaded into memory
– Storage Backplane providing write-cache, enabling data to be cached before
being written to disk
• Optimization for the POWER Platform
More info: https://ibm.biz/BdXiA8
TurboLAMP Stack
Teaming up to provide a more performant stack
The LAMP Stack is an open-source standard widely used today for web
applications, like e-Commerce platforms (Magento, OpenCart), content
management (Drupal, Joomla), or blogging (Wordpress).
It makes use of:
IBM teamed up with
In order to provide a «turbo» version of this stack, using high-speed data transfer
from Mellanox and based on the POWER architecture: the TurboLAMP Stack.
Moving to a TurboLAMP stack is quite straightforward (see example below).
More info: TurboLAMP https://ibm.biz/BdXiud
Linux as the Operating System
Apache as the Web Server
MariaDB as the Database
PHP as the programming language
From x86 LAMP to P8 LAMP: https://ibm.biz/BdXiuD
Migrating from x86 to
POWER
Porting applications
Interpreted and Script Languages
Applications written in script languages and interpreted languages should be
platform-independent.
They rely on a specific program (the language interpreter) to make the same
program run across different architectures (ex. Java Development Kit - JDK): they
take the code and translate it into instructions for the underlying architecture.
Code written in these languages would run «as-is» on POWER.
Some of these languages are:
• Java (ex.: Apache Tomcat, JBOSS, ...)
• Python (ex.: Ansible)
• PHP
• Ruby
• Lua
Porting applications
Open Source Software
Open Source Software is by definition free to compile and adapt to different
platforms, so it can run on POWER after a re-compile.
POWER supports both:
• IBM Compilers (XLC, XLF, ...)
• GNU Compilers Collection (GCC)
IBM is working towards further extending the Open Source Software Ecosystem,
many of today’s most popular Open Source Software is on Linux on POWER.
From experience: Scilab and R.
Porting applications
Closed-Source C, C++, FORTRAN and the likes
Linux on POWER Servers target mostly Open Source Software.
However, compiling a non open source application can be easily done too.
Based on experience from our developers that porten applications for customers
and business partners:
• 95% was ported with no issues: «young code» (<10y), in C/C++/FORTRAN
• 3% required modifications: «old code» (>10y), not following standards, written
to take exclusive advantage of x86
• 2% was not possible to port: assembler code, device drivers, network cards
IBM Support
How we help to port your applications to POWER
IBM offers several means to support customers and BPs in porting applications:
• Teams:
– Innovation Centers: POWER Pre-Sales resources help you on-site for free
– Chiphopper Program, Migration Factory: developers provide competent
recommendations for porting the code
– Linux Competence Centers: help you tune your code to exploit POWER
– Business Partners
• Software
– SDK for PowerLinux: scans x86 code and provides recommendations to change
it in order to exploit POWER (e.g.: parallelisation): https://ibm.biz/BdXiAr
– SUSE’s SDK, EPEL Repo: developer packages for Linux (all platforms)
– Advance Toolchain: optimised libraries for POWER (https://ibm.biz/BdRCHZ)
IBM Support
How we help to port your applications to POWER
IBM offers several means to support customers and BPs in porting applications:
• Books
– IBM Tuning Guide: a comprehensive book to help you find the best optimisation
settings to exploit POWER: https://ibm.biz/BdXiAF
– Moving LAMP Stack applications: an example for moving OpenCart from an
x86-based LAMP to a P8 LAMP
• Hardware
– Latest POWER8 Servers at Innovation Centers, like here in Zurich
– POWER Development Cloud: a cloud based on P8 to use for a limited time to
test your code: https://ibm.biz/BdXiu4
– Softlayer (soon) or OVH (now): Public-Cloud providers of P8-based Servers
Save the Date!
Linux on POWER eventIBM Switzerland – Vulkanstrasse 106, 8048 Zurich
• Understand from IBM subject matter experts:
- how your customers and in turn their customers, can experience improved
performance and deliver better and faster results with IBM Power8.
Hear directly from IBM Open Source Business Partners:
- what are the use cases and customer scenarios which you can relate to
Get involved in the "try your own application" session on Linux on Power:
- Access a live environment, dedicated to test your application on Linux on
Power.
- Network with IBM Open Source Business Partners and IBM technical experts.
- Explore how to leverage the IBM Power Development Platform, allowing you
no-charge remote access to IBM hardware
• Registrations are open! https://ibm.biz/BdXibh 25
Save the Date!
Linux on POWER eventIBM Forum - Wilhelm-Fay-Strabe 32, Frankfurt
• Understand from IBM subject matter experts:
- how your customers and in turn their customers, can experience improved
performance and deliver better and faster results with IBM Power8.
Hear directly from IBM Open Source Business Partners:
- what are the use cases and customer scenarios which you can relate to
Get involved in the "try your own application" session on Linux on Power:
- Access a live environment, dedicated to test your application on Linux on
Power.
- Network with IBM Open Source Business Partners and IBM technical experts.
- Explore how to leverage the IBM Power Development Platform, allowing you
no-charge remote access to IBM hardware
• Registrations are open! https://ibm.biz/BdXi6A 26
Summary
POWER8 is a highly performant architecture
• 8 Threads per Core
• High Bandwidth
MariaDB can achieve a higher performance thanks to POWER
• Exploits POWER’s technical features
• 2.2x throughput/sec/core and 1.9x /system as Intel Ivy Bridge
Porting applications to POWER can be easily done
• IBM’s Support
• Use of Industry Standards (LAMP, OpenStack, ...)
