ارعص هون ولاتتردد

السلام عليكم ورحمة الله وبركاته
كل عام وانتم بخير
بصراحه هذا اول موضوع اكتبه هناا
ياليت تساعدوني
انا عندي تسلمي واجب بعد كم يوم ولا عارفه شي
هو ان الخص مقاله ب 100 كلمه فقط
وبشروط ان تكون لها 5 عنواوين فرعيه واضحه
هذه المقاله
NEWS DIGEST SUPERCOMPUTINO IBM Smashes Petaflop
Performance Record
I BM'S NEW Roadrun ner
supercomputer has
smashed the high-tech
equivalent of the fourminute
mile by breaking
the lofty petaflop barrier.
IBM said last week that
the hybrid system running
AMD Opteron processors
and Cell chips sustained a
speed of 1.026 quadrillion
calculations per second,
about twice as fast as the
next-fastest supercomputer,
IBM's BlueGene/L. Don
Grice, chief engineer of the
Roadrunner project, said
the petaflop barrier was
surpassed on May 25, on the
fourth attempt.
The SlOO million Roadrunner
would take a single
week to run a calculation
that the fastest supercomputer
0years ago would
have needed 20 years to
complete, officials said.
The supercomputer will
be shipped in July to the U.S.
Department of Energy's Los
Alamos National Laboratory,
which will use it to test
nuclear weapons systems,
predict long-term climate
change and try to develop an
HIV vaccine, among other
things, said John Morrison,
high-performance comput-
Roadrunner is twice as fast as
BlueOene/L, says Don Orice.
ing division leader.
"We're dealing with
nuclear weapons," said
Thomas D'Agostino, administrator
of the National
Nuclear Security Administration.
"Speed is of critical
importance here."
The Linux-based Roadrunner
has 6,948 dual-core Opterons
on IBM LS21 blades, as
well as 12.960 Cell processors
on IBM QS22 blades. The
machine, which has 80TB
of memory, has 296 IBM
BladeCenter H racks. It occupies
6,000 square feet, uses
7miles of fiber-optic cable
and weighs 500,000 pounds.
The Cell chips were
designed jointly by IBM,
Toshiba Corp. and Sony
Corp. for the latter's Play-
Station 3 game console.
— Sharon Gaudin
BETWEEN THE LINES By John Klossner
BENCHMARKS UST WEEK Lou D'Ambrosio resigned as
president and CEO of Avaya
Inc. for medical reasons. He
was replaced on an interim
basis by Charles Giancarlo,
a venture capitalist and former
Cisco executive.
Google Inc. said Blue Cross
Blue Shield of Massachusetts
Inc. vifill let its members
import claims data into
their Google Health profiles.
It is the first insurer to support
the new online service.
TWO YEARS AGO: Microsoft
Corp. announced that
co-founder Bill Gates would
give up his day-to-day role
at the end of this month. But
he will remain its chairman.
Global,
Dispatches
Limits Sought
On U.K/S Personai
Data Gathering
LONDON - The U.K. Parliament's
Home Affairs Committee
has urged the government
to stop creating large databases
to hold personal information
on citizens without first proving
that the data is needed.
In a report released last
week, the committee called
on the government to "adopt a
principle of data minimization,"
and hold data only "for as long
as is necessary." The government
should "resist a tendency
to collect more personal information
and estahlish larger databases."
said the report, titled
"A Surveillance Society?"
Home Affairs Committee
Chairman Keith Vaz said the
government should not keep
collecting more data "just
because the technology allows
it," nor should it use the data
beyond the purpose it is Initially
collected for.
Leo King, Computerworld U.K. Kenya Forming
Group to Create
IT Standards
NAIROBI. Kenya-The Kenya
Bureau of Standards is calling
on technology experts in the
country to join in the effort to
develop national IT standards.
The bureau plans to form a
committee to collect and analyze
information and then draft
relevant standards, according
to Zacheus Mwatha, a manager
at the standards hureau.
The standards would likely
cover areas such as telecommunications,
IT security and
data formats. Mwatha said all
committee members will be
asked to attend international
meetings and vote on international
draft standards.
Rebecca Wanjiku, IDG News Service BRrEFLY NOTED Hewlett-Packard Co. has
named Neelam Dhawan managing
director of its operations
in Delhi, India. Dhawan will join
HP next month from Microsoft
Corp.. where she is managing
director for India. She will
replace Balu Doraisamy, who
was named managing director
for HP's Asia-Pacihc region
and Japan in February. Cbanndworld
India staff COMPUTERWORLD fUNH 16. 2008
ياليت تساعدوني
شكرا