Diit.cz - Novinky a informace o hardware, software a internetu

Diskuse k Intel zveřejnil, které novinky mají záplatovaný Spectre a Meltdown

Existuje jeste jedno nekonvencni reseni, jak zaplatovat ty diry v procesorech, ale nebudu sem psat neco, co vsichni vime. :-)

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Koupit si iPhone.

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ne
- kupit si amd, alebo
- u intelu deaktivovat HT
(https://bit.ly/2PFMMa0)

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To ale pomôže len proti časti tých chýb..

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...vůbec nerozumíte židovským vtipům, vy zatracení římani. :)

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Cili vosmjaderny Coffe Lake Refresh Core i9 - 9900K timhle problemem nadale trpi a to vyrazne.

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Nedá sa nič robiť, opravené procesory nie sú zadarmo a treba si priplatiť. Čo na tom že je to práve výrobca procesorov čo to spôsobil :( A ešte ma bude zaujímať výkon "opravených" cpu.

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Kým to opravia bude fungovať multithreading na GCN5 v C++-kových programoch za pomoci gcc ;)
A to nebude tak skoro..

Supporting Quotes

Code Sourcery Posts New AMD Radeon GCN Port, Hoping To Mainline For GCC 9 Compiler
on 5 September 2018 at 08:16 AM EDT.

The company is hoping for this new AMD GCN port to land in time for the GCC 9 stable compiler release (GCC 9.1) due out around the end of Q1'2019.
https://www.phoronix.com/scan.php?page=news_item&px=AMD-GCC9-New-GCN-Port

This patch series contains the non-OpenACC/OpenMP portions of a port to
AMD GCN3 and GCN5 GPU processors. It's sufficient to build
single-threaded programs, with vectorization in the usual way. C and
Fortran are supported, C++ is not supported,
https://gcc.gnu.org/ml/gcc-patches/2018-09/msg00264.html

An Early Port Of GCC To AMD's GCN Architecture
on 22 September 2016
Longtime SUSE toolchain expert Jan Hubicka started a port of GCC to AMD GCN a few weeks back
https://www.phoronix.com/scan.php?page=news_item&px=GCC-For-AMD-GCN-Early

SUSE Developers Publish Radeon GCN Backend Code For GCC Compiler
16 March 2017 at 02:31
This GCN back-end for GCC is primarily focused on compute capabilities rather than compiling graphics shaders.
Hopefully we'll see the code mature to the point where it will be found in next year's GCC 8 release.
https://www.phoronix.com/scan.php?page=news_item&px=GCN-For-GCC-Branch

CodeSourcery Has Ported OpenMP / OpenACC To AMD GCN GPUs With GCC
10 May 2018
Andrew Stubbs of CodeSourcery has completed work on a GCN3/GCN5 port for running OpenMP/OpenACC offloaded kernels on the likes of AMD Fiji and Vega graphics cards

GCC compiler although for now rely upon LLVM for the AMDGPU Assembler and Linker support with there being no AMD GCN support currently in GNU Binutils.
https://www.phoronix.com/scan.php?page=news_item&px=CodeSourcery-AMD-GCN

Porting GCC to AMD GCN microarchitecture
Honza Hubička
SuSE ČR s.r.o
Prague
Joint work with Martin Jambor
GNU Cauldron 2016

AMD Graphics Core Next

First specification released in 2011, Generation 3 in 2015

Primarily designed for graphic cards, but with parallel
computation in mind

Similar to traditional CPUs (unlike the predecessors)
https://gcc.gnu.org/wiki/cauldron2016?action=AttachFile&do=view&target=P...

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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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som rád, že uznávate aspoň gramatickú správnosť môjho textu

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Pro psaní komentářů se, prosím, přihlaste nebo registrujte.