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DarkBASIC Professional Discussion / 64-bit

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Kenjar
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Joined: 17th Jun 2005
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Posted: 4th Nov 2005 10:49
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Pathways for different processes are still shared at certain points. Trying to do two things at once would cause conflict. Yes you could time them, but by timing them you are adding an additional process or processes.


Run before you can walk, always raise the stakes higher, always keep moving, because you never know who's catching up.
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TKF15H
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Location: Rio de Janeiro
Posted: 4th Nov 2005 12:35
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Quote: " Trying to do two things at once would cause conflict"

Depends on what those two things are. Processors as old as the Pentium Pro (iirc) would choose which operations could start executing before the last one ended, executing up to 3 operations almost at once.

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re faze
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Posted: 4th Nov 2005 14:57
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hey , all i know is that i can run my virus scanner and a dbp app simotaneously with no lag.

I need someone intelligent to talk to me about my problems too...
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Neofish
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Posted: 4th Nov 2005 16:09
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Thats because you probably have a nice fast PC or a virus scanner that doesn't steal all the resources. From what I understand all the hype is crap and that all you get really is more memory allowed and faster transport of more data (e.g games loading) ?

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re faze
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Posted: 4th Nov 2005 17:27
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the 64 bit hype or the hyperthreading hype? because the hyperthreading thing is real, but i dunno about the 64 bit crap.

I need someone intelligent to talk to me about my problems too...
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TKF15H
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Posted: 4th Nov 2005 20:18
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Quote: "From what I understand all the hype is crap and that all you get really is more memory allowed and faster transport of more data (e.g games loading) ?"

That and faster maths on larger numbers. Things like cryptography, compression, and pie baking. The AMD64 at 2.4GHZ has won benchmark tests against 3.2ghz P4's so (unless some other processor feature influenced the result) the new design is at an advantage.

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Kenjar
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Posted: 4th Nov 2005 20:29
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lol, you might as well go back 10 years and call 32-bit crap. How about that 16-bit thing, wow, all that did was give more resources then 8-bit, how crap is that! But wait, 8-bit is crap too! After all it only gives access to more resource then 4 bit!

Ye Gods people. The potential for 128Gb of Ram is not crap, it's progression. Quick, Random access memory is the life blood of computing, without it we're stuffed. What good is processing a number if it forgets tne result?

It in addition lead to other things. 32-Bit file systems have a finite size, 64-bit file systems need 64-bit processing power which will allow HDD's to reach stuidly big sizes by todays compairsons, but will be normal in the future. Being able to shove larger variables will allow computers to create massive gaming zones without error. It will allow for a single stick of RAM to be much larger, in a few years we'll likely see 10Gb memory sticks comming onto the market.

Speed is determand by the number of instructions per cycle and cycle speed. That has always been the case. But speed isn't everything.


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TKF15H
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Posted: 4th Nov 2005 20:39
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Quote: "The potential for 128Gb of Ram is not crap, it's progression."

Double the bitage does not mean double the Ram. It's an exponential function, not linear. You get much, much more than 128GB.

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Kenjar
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Posted: 4th Nov 2005 21:36 Edited at: 4th Nov 2005 22:12
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As I understand it, (and I am prepared to be wrong on this) 32 bit allows up to 64Gb Virtual RAM, and 8Gb Physical. For 64-bit it's 16 Terrabytes Virtual and 128Gb for Physical.

I used to think it gave access to 16 Terrabytes physical but a recent article I read told me differently, I'll see if I can find it again.

Edit...

I was getting my articles confused.

http://www.microsoft.com/windowsxp/64bit/evaluation/top5.mspx

it's the new windows x64 that supports 128Gb ram and 16 terabytes of Virtal memory.

According to this Article:

http://www.teragrid.org/news/apps/0404/pcmag.html

64-Bit technology can access exabytes of memory.

Bit [b] [b] 1 Bit
Byte [B] [B] 8 Bits
Kilobyte [K/KB] 1024 Bytes, 1024 Bytes

Megabyte [M/MB] 1,048,576 Bytes, 1024 Kilobytes
Gigabyte [G/GB] 1,073,741,824 Bytes, 1024 Megabytes
Terabyte [T/TB] 1,099,511,627,776 Bytes, 1024 Gigabytes
Petabyte [P/PB] 1,125,899,906,842,624 Bytes, 1024 Terabytes
Exabyte [E/EB] 1,152,921,504,606,846,976 Bytes, 1024 Petabytes

Which I think is certainly cool. What happened to the BBC Master with 22k of memory eh? Oh right, 16-bit.


Run before you can walk, always raise the stakes higher, always keep moving, because you never know who's catching up.
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re faze
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Posted: 5th Nov 2005 06:30
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if you make cryptography faster... wont you make cracking and brute force attacks faster????

I need someone intelligent to talk to me about my problems too...
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Neofish
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Posted: 5th Nov 2005 09:49
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Yes but you can't hold off on technology because a small portion of its users will use it for illegal things..

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TKF15H
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Posted: 5th Nov 2005 17:12
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Quote: "if you make cryptography faster... wont you make cracking and brute force attacks faster????"

Yeah, but more robust cryptography algorythms will be creatable (therefore stuff will be even harder to crack).

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Nicholas Thompson
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Posted: 5th Nov 2005 17:52
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I just read on a forum that there is a patch for Far Cry to make it run in 64bit mode.. Not only that - you can tweak it so that you can play it in 64bit mode while still running in a 32bit OS... I'm just going to start tweaking

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