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POWER8 information


POWER8
Two IBM POWER8 processors on a dual chip module.
General information
Launched2014
Designed byIBM
Performance
Max. CPU clock rate2.5 GHz to 5 GHz
Cache
L1 cache64+32 KB per core
L2 cache512 KB per core
L3 cache8 MB per chiplet
L4 cache16 MB per Centaur
Architecture and classification
Technology node22 nm
Instruction setPower ISA (Power ISA v.2.07)
Physical specifications
Cores
  • 6 or 12
History
PredecessorPOWER7
SuccessorPOWER9
IBM Power E870 can be configured with up to 80 POWER8 cores and 8 TB of RAM.

POWER8 is a family of superscalar multi-core microprocessors based on the Power ISA, announced in August 2013 at the Hot Chips conference. The designs are available for licensing under the OpenPOWER Foundation, which is the first time for such availability of IBM's highest-end processors.[1][2]

Systems based on POWER8 became available from IBM in June 2014.[3] Systems and POWER8 processor designs made by other OpenPOWER members were available in early 2015.

  1. ^ "You won't find this in your phone: A 4GHz 12-core Power8 for badass boxes". The Register.
  2. ^ "POWER8 Processor User's Manual for the Single-Chip Module" (PDF). IBM. March 16, 2016.
  3. ^ "IBM POWER8 - Announce / Availability Plans" (PDF). Archived from the original (PDF) on 2014-05-24. Retrieved 2014-05-23.

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Scaled down fabrication process, and increased L3 cache and frequency. POWER8 is a 4 GHz, 12 core processor with 8 hardware threads per core for a total...

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Virtualization (APV), is a chargeable feature of IBM POWER5, POWER6, POWER7, POWER8, POWER9 and Power10 servers and is required for support of micro-partitions...

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ppc64le is a pure little-endian mode that has been introduced with the POWER8 as the prime target for technologies provided by the OpenPOWER Foundation...

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POWER9

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has a 12-stage pipeline (five stages shorter than its predecessor, the POWER8), but aims to retain the clock frequency of around 4 GHz. It will be the...

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OpenPOWER Foundation

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and Power Architecture Platform Reference. IBM is looking to offer the POWER8 chip technology and other future iterations under the OpenPOWER initiative...

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CentOS

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1AS. Since version 8, CentOS officially supports the x86-64, ARM64, and POWER8 architectures, and releases up to version 6 also supported the IA-32 architecture...

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Power10

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for. Support for NVLink on-chip was previously a unique selling point for POWER8 and POWER9. The Power10 chip is available in two variants, defined by firmware...

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AltiVec

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vec2), bw); } Power ISA 2.07 used in Power8 finally provided the 64-bit double words. A developer working with Power8 needs only to perform the following...

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Data Plane Development Kit

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Intel Xeon. It supports instruction set architectures such as Intel, IBM POWER8, EZchip, and ARM. It is provided and supported under the open-source BSD...

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Debian

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MIPS ppc64el: Little-endian PowerPC architecture supporting POWER7+ and POWER8 CPUs riscv64: 64-bit RISC-V s390x: z/Architecture with 64-bit userland,...

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IBM Power Systems

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Release 8 of Red Hat Enterprise Linux, IBM has completed transition of POWER8 and POWER9 servers to little-endian mode for Linux. AIX and IBM i continue...

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22 nm process

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codenamed Ivy Bridge, using a FinFET technology called 3-D tri-gate. IBM's POWER8 processors are produced in a 22 nm SOI process. Toshiba announced that it...

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Power ISA

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(2014-09-21). "POWER8 in-core cryptography". IBM. Performance Optimization and Tuning Techniques for IBM Power Systems Processors Including IBM POWER8. IBM. August...

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Ubuntu

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was at one point unofficially supported, and now newer Power ISA CPUs (POWER8) are supported. The x86-64 ("AMD64") architecture is also officially supported...

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Red Hat Enterprise Linux

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Release 8 of Red Hat Enterprise Linux, IBM has completed transition of POWER8 and POWER9 servers to little-endian mode. The name Ootpa was a tribute to...

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IBM Hardware Management Console

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servicing a system. HMC HMC V10 R2 M1040 for POWER8, POWER9 and POWER10 Servers HMC V9, for POWER7, POWER8 and POWER9 models (POWER6 support was dropped)...

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NVLink

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connection towards a P100 GPU in a system that is driven by a set of IBM Power8 CPUs. For the various versions of plug-in boards (a yet small number of...

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Comparison of cryptography libraries

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smartcardio package of JDK. AltiVec includes POWER4 through POWER8 SIMD processing. POWER8 added in-core crypto, which provides accelerated AES, SHA and...

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IBM DS8000 series

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all-flash version for rack-mounting (17U, 16U without KVM) DS8884 Dual 6-core POWER8-based controllers Running SMT-4 for 24 threads Up to 256 GiB Cache Can contain...

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Simultaneous multithreading

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the use of the core for minimum response time or maximum throughput. IBM POWER8 has 8 intelligent simultaneous threads per core (SMT8). IBM Z starting with...

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Coreboot

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about 1% in assembly and optionally SPARK Platform IA-32, x86-64, ARMv7, ARMv8, MIPS, RISC-V, POWER8 Type Firmware License GPLv2 Website www.coreboot.org ...

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List of career achievements by Cristiano Ronaldo

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1–1 3–2 UEFA Euro 2016 qualifying 490 2–1 491 3–1 492 12 September 2015 Power8 Stadium, Barcelona, Spain Real Madrid Espanyol 1–0 6–0 La Liga 493 2–0 494...

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Thermal design power

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processors and Kaveri APUs can be configured for lower TDP values. IBM's POWER8 processor implements a similar power capping functionality through its embedded...

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IEEE 754

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floating-point formats following IEEE 754 principles POWER6, POWER7, and POWER8 CPUs that implement IEEE 754-2008 decimal arithmetic fully in hardware strictfp...

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PowerPC 400

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applications from networking, to storage and media devices. POWER8 on-chip controller The POWER8 processor contains an embedded on-chip power and thermal...

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Coherent Accelerator Processor Interface

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Since there is only one CAPP per POWER8 processor the number of possible CAPI units are determined by the number of POWER8 processors, regardless of how...

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