The Reg HPC: Bugs in beta weather model used to trash climate science [ Thu Aug 8 2013]

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for the week ending 8th August 2013


*** HPC News ***

Cray posts modest loss, awaits Q4 revenue wave
Technical issue with 'Titan' super – now fixed – eats into profits
http://www.theregister.co.uk/2013/08/01/cray_q2_2013_numbers/

Supercomputer maker Cray turned in a slightly better than expected
second quarter, with a modest bump in revenues and a slight loss.

This is a win in the ever-choppy supercomputer racket – and
particularly for Cray in a second quarter. For the past three years,
Cray has been cramming a large portion of its sales in the final
quarter of the year thanks to processor and GPU coprocessor transitions
and the normal end-of-year budget crunch that all IT vendors generally
see.

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Nvidia buys Portland Group for compiler smarts
C++ and Fortran to span ARM and GPU ceepie geepies
http://www.theregister.co.uk/2013/07/30/nvidia_buys_the_portland_group/

Graphics chip maker Nvidia has big aspirations to get into computing
proper with ARM processors and GPU coprocessors, and its odds in its
battle against archrival Intel may have just gotten a lot better now
that it has snapped up The Portland Group.

The financial terms of the acquisition, which has been completed, were
not disclosed.

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Bugs in beta weather model used to trash climate science
Shock revelation: devs test complex code on more than one super
http://www.theregister.co.uk/2013/07/29/weather_forecast_model_is_imperfect_qed_climate_science_is_rubbish/

Development work on a not-yet-prime-time weather forecasting model has
been seized on as proof that climate models can't be trusted.

The reason? Folks who aren't keen on climate change discovered this
paper in the journal of the American Meteorological Society, in which
Song-You Hong of South Korea's Yonsei University Department of
Atmospheric Sciences runs some tests over a weather model called GRIMs
(Global/Regional Integrated Model).

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Cray bags $30m to upgrade Edinburgh super to petaflops-class
Hector XE6 to be upgraded to Archer XC30
http://www.theregister.co.uk/2013/07/26/cray_archer_university_edinburgh_supercomputer/

It is not much of a surprise, seeing as how the UK's national
supercomputing service at the University of Edinburgh is a long-time
Cray customer, that they would return to Cray to replace its existing
XE6 system and replace it with a petaflops-class machine based on the
latest Cray interconnect and Intel processor technology.

----

Adapteva ships Kickstarted baby supercomputer boards
Forget GPUs – use ARMs plus FPGAs plus Epiphany RISCies
http://www.theregister.co.uk/2013/07/25/adapteva_parallella_arm_fpga_epiphany_boards/

Upstart RISC processor and coprocessor designer Adapteva is shipping
the first of its Parallella system boards, which its Epiphany multicore
processors with ARM processors to create a spunky and reasonably peppy
hybrid compute engine that doesn't cost much and is very energy
efficient for certain kinds of processing.

----


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