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Topic: 64 bit


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In the News (Thu 18 Apr 19)

  
  The 64-Bit Question - Technology
The move from 32 bits to 64 is unlikely to bring the same sort of quantum jump in speed or capabilities that we got moving from 16 bits to 32.
While 64 bits is new to the world of x86, other microprocessors made the transition to 64 bits back in the 1990s.
Having lived through the jump from 8 to 16 bits, then 16 to 32, and now 32 to 64, it’s only natural to think that sometime in the distant future we’ll be making the transition from 64-bit to 128-bit systems.
www.theksbwchannel.com /technology/3382556/detail.html   (2750 words)

  
  64-bit - Wikipedia, the free encyclopedia
In computer architecture, 64-bit integers, memory addresses, or other data units are those that are at most 64 bits (8 bytes) wide.
Without further qualification, however, a computer architecture described as "64-bit" generally has integer registers that are 64 bits wide and thus directly supports dealing both internally and externally with 64-bit "chunks" of integer data.
Those assumptions happen to be true on some 32 bit machines (and even some 16 bit machines), but they are no longer true on 64 bit machines.
en.wikipedia.org /wiki/64-bit   (3298 words)

  
 64 bit - ek$i sozluk
64 bit ought to be enough for everybody - prof.dr. ahmet redmond
64 bit iþlemciler için appleýn baþ mühendisinin yaptýgý yorum;
32 bit bir bardak suysa 64 bit niagara þelalesidir...
sozluk.sourtimes.org /show.asp?t=64+bit   (261 words)

  
 X86-64 - Wikipedia, the free encyclopedia
No-Execute bit: The “NX” bit (bit 63 of the page table entry) allows the operating system to specify which pages of virtual address space can contain executable code and which cannot.
However, bits 48 through 63 of any virtual address must be copies of bit 47 (in a manner akin to sign extension), or an exception will be raised.
However, on AMD64, 32 bit x86 applications may still benefit from a 64-bit recompile, due to the additional registers in 64-bit code, which a high-level compiler can use for optimization.
en.wikipedia.org /wiki/AMD64   (3948 words)

  
 Kids.Net.Au - Encyclopedia > 64-bit
This adjective often refers to the number of bits used internally by a computer's CPU.
Its external data bus or address bus[?] may be narrower, and the term is also often used to describe the size of these buses as well.
The PowerPC and Intel are expected to move to 64 bits at their next generation - PPC 620[?] and Intel's IA-64.
www.kids.net.au /encyclopedia-wiki/64/64-bit   (263 words)

  
 64-Bit FAQ
For the crib sheet to that, 64 bit Integer calculations are one of the things that make 64 bit CPUs so great - they can make 64 bit calculations in hardware rather than emulating it with a bunch of 32 bit calculations.
The AMD64 and EM64T CPUs do not have a full 64 bits of address space, as they won't need it for a while.
They use 64 bit addresses and truncate them internally to save on die space.
www.ntcompatible.com /64-Bit_FAQ_p63480.html   (140 words)

  
 Will upgrading to 64 Bit Windows make you More Secure?
64 bit hardware and operating systems offer some big advantages over the currently more commonplace 32 bit systems, including the ability to handle more physical memory and big performance boosts for applications that are written for the 64 bit system.
The Intel Itanium 64 bit processor family that uses explicitly parallel instruction computing (EPIC) technology is known as IA64; the AMD Opteron and Xeon with extended memory 64 technology is known as x64.
Because 64 bit Windows is much less commonly deployed at this time than its 32 bit cousins, few malware authors have turned their attention to it.
www.windowsecurity.com /articles/64-Bit-Windows-More-Secure.html   (1443 words)

  
 Microsoft Software software 64 bit backoffice microsoft   (Site not responding. Last check: 2007-10-30)
Our software 64 bit backoffice microsoft site is new so we have not yet managed to add lots of information, but what we have done so far is researched the very best software 64 bit backoffice microsoft sites on the net.
We are sure you will be delighted with the fruits of our online research which has sourced useful information about software 64 bit backoffice microsoft and pick out just a couple of the very best sites for you to visit.
With the ever increasing growth of the Web software 64 bit backoffice microsoft online stores will provide very healthy revenue streams The biggest benefit that the web software 64 bit backoffice microsoft retailers have over regular software 64 bit backoffice microsoft shops is that the operating costs are greatly reduced for many reasons.
www.software-for-all.com /microsoft/software-64-bit-backoffice-microsoft.htm   (264 words)

  
 Laptop Tips and News 64 bit laptops   (Site not responding. Last check: 2007-10-30)
When you are trying to find top-quality advice about 64 bit laptops, it will be intricate extricating the best information from misguided 64 bit laptops suggestions or help so it is wise to recognize ways of judging the information you are offered.
A good hint to pusue when you're presented with help or advice about a 64 bit laptops web site is to find out who owns the site.
This could reveal the people behind the website 64 bit laptops credibility The quickest way to work out who owns the 64 bit laptops site is to look for the 'about' page.
www.laptop-tips.info /64-bit-laptops.htm   (224 words)

  
 64 BIT
64 bit A term describing a computer architecture based around an ALU, registers, and data bus which are 64 bits wide.
the PowerPC and Intel are expected to move to 64 bits at their next generation - PPC 620 and Intel P7.
All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.
www.websters-online-dictionary.org /definition/english/64/64+bit.html   (228 words)

  
 Apple - Mac OS X - Anteprima Leopard - 64 bit   (Site not responding. Last check: 2007-10-30)
Sviluppate e utilizzate una nuova generazione di applicativi a 64 bit in grado di indirizzare enormi quantitativi di memoria.
Leopard porta l'elaborazione a 64 bit a nuovi livelli pur restando compatibile con i driver e i software a 32 bit, che continueranno a funzionare alle massime prestazioni.
Indirizzamento a 64 bit di fino a 16 terabyte di memoria virtuale e 4 terabyte di memoria fisica
www.eworld.com /it/macosx/leopard/64bit.html   (278 words)

  
 AMD 64-Bit 4000+   (Site not responding. Last check: 2007-10-30)
The AMD Athlon 64 processor runs on AMD64, a revolutionary technology that allows the processor to run 32-bit applications at full speed while enabling a new generation of powerful 64-bit software applications.
The AMD Athlon 64 processor is designed for people who want to stay at the forefront of technology and for those who depend on their PCs to keep them connected, informed, and entertained.
The AMD Athlon 64 processor is the only industry standard x86 processor with the ability to move beyond the limits of 32-bit computing.
www.michaelscomputers.com /amd4000.htm   (1074 words)

  
 Pronti per i 64 bit?   (Site not responding. Last check: 2007-10-30)
L'articolo pone in rilievo anche il fatto che i produttori di sistemi operativi non stanno nemmeno pianificando la realizzazione di un OS che supporti in maniera nativa i nuovi processori a 64 bit della AMD.
Anche Apple, assieme al lancio in Agosto del suo nuovo G5, distribuirà una versione aggiornata del suo sistema operativo a 32 bit, l'OS X, nome in codice "Jaguar", che non avrà un supporto nativo per il nuovo processore a 64 bit, ma permetterà l'esecuzione di applicazioni a 32 bit senza ricompilare.
Microsoft sta testando una versione di XP a 64 bit che permetterà l'esecuzione di applicazioni a 32 e 64 bit, ma non ha annunciato una data di rilascio.
www.programmazione.it /print.php?idItem=13400   (203 words)

  
 Print Page - Do we need a 64 bit subforum ?
I have been asked by a number of people about a 64 bit subforum and need to get some idea of how many people are writing 64 bit code.
The tools I have seen so far are ml64, poasm and I gather there are 64 bit versions of nasm and yasm.
You may not get an answer as there are not many people who own the hardware yet or write 64 bit code but you can at least post the question.
www.masm32.com /board/index.php?action=printpage;topic=4517.0   (336 words)

  
 64 bit Intels?
You are allowed larger addressing because longs and pointers are 64 bits.
You may get 64 bit numberical accuracy in FORTRAN by use of "DOUBLE PRECISSION" but this capability is the same as on IA32 systems.
They claim that the P4 Itanium is 64 bit, only in the 733 and 800 mhz speeds.
www.beowulf.org /archive/2002-April/006840.html   (229 words)

  
 VolkerW's WebLog : Who needs 64-bit?
The move from 16 to 32 bits also included that you had a fresh, new API full of features like pre-emptive multitasking, threading, new GUI controls that was only available in 32-bit mode and so on.
I think that the change to 64 bit will happen faster that 16 to 32 bit, beacuse AMD already is selling 64 bit proccesors that are backward-compatible, so people won't mind bying them.
My point is that with 64 bit the costly and time consuming redesign that we are facing just would not have been needed.
blogs.msdn.com /volkerw/archive/2005/02/11/371108.aspx   (3510 words)

  
 Athlon 64 FX-53 Gets 64-bit Far Cry - MegaGames hardware
Specifically designed for gamers and PC enthusiasts, the AMD Athlon 64 FX processor has not been able, yet, to fully utilize its advantages due to lack of 64-bit application support.
The AMD Athlon 64 FX-53 processor will initially be available in limited quantities from select high-performance PC manufacturers worldwide.
The AMD Athlon 64 FX-53 processor is priced at USD 733 in 1,000-unit quantities.
www.megagames.com /news/html/hardware/athlon64fx-53gets64-bitfarcry.shtml   (416 words)

  
 NewsForge | 64-bit Linux and BSD are maturing steadily
We knew about Intel's 64 bit contingency plans for years, and we knew that the writing was on the wall for 32 bit silicon.
We didn't want to be stuck with 64 bit as an add-on, instead of as the primary mode of operation.
For example, we use a 64 bit time_t throughout the system, both in the kernel and userland.
os.newsforge.com /os/05/03/30/1242206.shtml?tid=152&...&tid=150&tid=74   (3364 words)

  
 Ars Technica: An Introduction to 64-bit Computing and x86-64 - Page 1 - (3/2003)
When I first heard that AMD had plans to extend the x86 ISA to 64 bits, I thought it was a terrible idea.
Consider the move from 16 bits to 32 bits, the addition of the x87 floating-point instructions, and the addition of integer and then floating-point SIMD instructions.
Rather, the data sizes are mixed, with 64 bits being the widest.
arstechnica.com /cpu/03q1/x86-64/x86-64-1.html   (1251 words)

  
 64 Bit Development   (Site not responding. Last check: 2007-10-30)
I have a AMD 64 dual core machine running Windows Professional X64 Edition and decided to convert my T2 Texture Generation program to run as a 64 bit application.
Now to create 32 bit applications I simply start visual studio with the 32 bit batch file and for 64 bit development I use the 64 bit batch file.
The 32 bit executable is running in a 64 bit environment and so will run slightly slower than if it were running in a 32 bit environment.
www.toymaker.info /Games/html/64_bit.html   (1067 words)

  
 SUSE Linux Professional 9.2 – 64-Bit-Unterstützung   (Site not responding. Last check: 2007-10-30)
Die Architektur des AMD®; Athlon 64 ist auf maximale Leistung ausgelegt und unterstützt den x86-64-Befehlssatz.
Dank der doppelten Datenbreite des Prozessors verbessert der Athlon 64 die Leistung von 32-Bit- und 64-Bit-Anwendungen gleichermaßen.
Die Unterstützung von 32-Bit-Code durch den AMD®; Athlon 64 ist außerdem der Garant für einen reibungslosen Übergang in die 64-Bit-Welt.
www.novell.com /de-de/products/linuxprofessional/technical/64bit.html   (183 words)

  
 ITworld.com - AMD launches 64-bit Athlon 64 chip for PCs
The Athlon 64 FX-51 is the performance leader of the group, and priced accordingly at US$733 in quantities of 1,000 units.
An Athlon 64 3200+ chip for desktops was launched at $417, and notebook versions with performance ratings of 3200+ and 3000+ were introduced at $417 and $278, respectively, all in quantities of 1,000 units.
The performance rating system is used on AMD's Athlon XP processors to give users an idea of their overall performance without relying on clock speed as that metric.
www.itworld.com /Comp/1986/030923amd64   (828 words)

  
 64-Bit Desktop Challenge eWEEK - Find Articles
If companies are to seek out the Athlon 64, they'll need 64-bit software to prompt them, and support for these applications depends on the operating system.
While 32-bit Windows and its applications run well on the Athlon 64, 64-bit versions of Windows and of at least some applications are required to get the full benefit of the Athlon 64.
The 64-bit version of Windows XP with support for Athlon 64 is expected in the first half of next year.
www.findarticles.com /p/articles/mi_zdewk/is_200401/ai_ziff115519   (875 words)

  
 Porting Linux applications to 64-bit systems
The effort to port an application from 32 bits to 64 bits might range from trivial to very difficult, depending on how these applications were written and maintained.
As far as language implementation is concerned, the current C language standard allows the "long long" data type to be at least 64 bits.
If you want to turn all the bits on, a portable way to do this is to define a signed long constant with a value of -1.
www.ibm.com /developerworks/linux/library/l-port64.html?ca=dgr-lnxwPort64   (2726 words)

  
 bit-tech.net | AMD Athlon 64 X2 4800+ Preview
Having said that, today AMD are launching the Athlon 64 X2 processor on paper, as AMD have told us that the X2 processors will be available in June.
The Athlon 64 X2 4800+ processor has 1MB L2 cache per core, meaning that there's a total of 2MB of L2 cache on the CPU.
In many ways, the dual core Athlon 64 X2 could be compared to a simple SMP system.
www.bit-tech.net /hardware/2005/05/09/amd_a64x2_4800/1.html   (545 words)

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