Welcome to the MacNN Forums.

If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.

You are here: MacNN Forums > Community > MacNN Lounge > Use a core as a modem?

Use a core as a modem?
Thread Tools
Forum Regular
Join Date: Sep 2003
Location: UK
Status: Offline
Reply With Quote
Oct 10, 2008, 03:59 AM
 
I posted a question some time ago when I wondered why we need a seperate modem when perhaps the CPU could do the job of the modem.

I was informed that the computer would be so slow when it did its' modem thing that it would be difficult to use.

I doubt my MBP uses both cores much at all and I wonder if one of them could be used to do the job of a modem?
     
Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status: Offline
Reply With Quote
Oct 10, 2008, 04:03 AM
 
No. That makes just about zero sense. You'd be essentially wasting a core that way, even if it were possible. If you don't think your MBP makes use of both cores, then open up Activity Monitor (/Applications/Utilites/Activity Monitor) and take a look the CPU usage graphs. Besides, recent Apple "modems" are mostly software modems anyway, if my understanding is correct.

"The natural progress of things is for liberty to yield and government to gain ground." TJ
     
Forum Regular
Join Date: Sep 2003
Location: UK
Status: Offline
Reply With Quote
Oct 10, 2008, 09:08 AM
 
Does the activity monitor inform how many cores are in use? I note no softwrae modem in my or any other system I have seen. All have a hardware modems.

I think that in 4 and 8 core systems throwing a core for modem use is a great idea that only modem manufactures would worry about , c'mon think about it more deeply , I am correct.
     
Clinically Insane
Join Date: Jul 2005
Location: Vacation.
Status: Offline
Reply With Quote
Oct 10, 2008, 09:15 AM
 
Why on earth would you want to put your outlying security barrier inside your machine?
Been inclined to wander... off the beaten track.
That's where there's thunder... and the wind shouts back.
     
Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status: Offline
Reply With Quote
Oct 10, 2008, 10:01 AM
 
Originally Posted by apollo11 View Post
Does the activity monitor inform how many cores are in use?
Yes.

I note no softwrae modem in my or any other system I have seen. All have a hardware modems. I think that in 4 and 8 core systems throwing a core for modem use is a great idea that only modem manufactures would worry about , c'mon think about it more deeply , I am correct.
When I say software modem, I mean that while there's some hardware circuitry to support the modem, it's mostly based in the OS. And I doubt the software used to power a modem would take at most a few percentage points of a modern CPU core's time, let alone the entire thing.

"The natural progress of things is for liberty to yield and government to gain ground." TJ
     
Moderator
Join Date: May 2001
Location: Hilbert space
Status: Offline
Reply With Quote
Oct 10, 2008, 10:39 AM
 
I got my first WLAN router for not even 20 €. Why would I want to save 3 € and make the proper operation of my network dependent on my main machine?
I don't suffer from insanity, I enjoy every minute of it.
     
Clinically Insane
Join Date: Jul 2005
Location: Vacation.
Status: Offline
Reply With Quote
Oct 10, 2008, 10:55 AM
 
€3 ? €3 ? You can't even buy a penny chew for €3 these days!

Been inclined to wander... off the beaten track.
That's where there's thunder... and the wind shouts back.
     
Addicted to MacNN
Join Date: Dec 1999
Location: Tampa, Florida
Status: Offline
Reply With Quote
Oct 10, 2008, 08:03 PM
 
Are we talking about 56kbaud modems here?
     
Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status: Offline
Reply With Quote
Oct 10, 2008, 10:45 PM
 
What's a modem ?

-t
     
Mac Elite
Join Date: Mar 2003
Status: Offline
Reply With Quote
Oct 10, 2008, 11:09 PM
 
Originally Posted by apollo11 View Post
Does the activity monitor inform how many cores are in use? I note no softwrae modem in my or any other system I have seen. All have a hardware modems.

I think that in 4 and 8 core systems throwing a core for modem use is a great idea that only modem manufactures would worry about , c'mon think about it more deeply , I am correct.
WTF? You would want to swap out a CPU core to use it as a modem?? A modem costs about $15, a core costs a heck of a lot more than that. Aside from the obvious fact that the core is way to powerful to use as just a stupid modem (which is generally software based anyway and already uses your CPU to do its work).

Worst idea ever.

Maybe this is a joke?
     
Posting Junkie
Join Date: May 2001
Location: Portland, OR
Status: Offline
Reply With Quote
Oct 10, 2008, 11:39 PM
 
Because the processor for your modem/ethernet card is far cheaper than your CPU's core.

Why tie up a $200 core to do the job of a $3 processor?
(Last edited by goMac; Oct 11, 2008 at 01:28 AM. )
8 Core 2.8 ghz Mac Pro/GF8800/2 23" Cinema Displays, 3.06 ghz Macbook Pro
Once you wanted revolution, now you're the institution, how's it feel to be the man?
     
Clinically Insane
Join Date: Oct 2001
Location: San Diego, CA, USA
Status: Offline
Reply With Quote
Oct 11, 2008, 01:14 AM
 
Originally Posted by goMac View Post
Because the processor for your modem/ethernet card is far cheap than your CPU's core.

Why tie up a $200 core to do the job of a $3 processor?
This.
Chuck
___
"Instead of either 'multi-talented' or 'multitalented' use 'bisexual'."
     
Moderator
Join Date: May 2001
Location: Hilbert space
Status: Offline
Reply With Quote
Oct 11, 2008, 05:26 AM
 
Originally Posted by Doofy View Post
€3 ? €3 ? You can't even buy a penny chew for €3 these days!
But still, it's like 10 dollars, isn't it?
I don't suffer from insanity, I enjoy every minute of it.
     
Admin Emeritus
Join Date: Oct 1999
Location: Zurich, Switzerland
Status: Offline
Reply With Quote
Oct 14, 2008, 07:43 AM
 
But, um... in both the Mac and PC worlds, standard dialup modems for years and years now have been "soft" modems with only minimal hardware. Pure hardware modems are now rare, expensive, external-only beasts. Same with ethernet cards, you have to spend [a lot] extra for fully-hardware cards.

Soft modems were feasible with 66MHz CPUs. The CPU load on today's processors is trivial. But it's usually not quite as well-performing as a hardware modem. It would never tie up a whole CPU, the modem signal processing is simply a CPU task like any other.
     
   
Thread Tools
Forum Links
Forum Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On
Top
Privacy Policy
All times are GMT -5. The time now is 04:26 AM.
All contents of these forums © 1995-2011 MacNN. All rights reserved.
Branding + Design: www.gesamtbild.com
vBulletin v.3.8.7 © 2000-2011, Jelsoft Enterprises Ltd., Content Relevant URLs by vBSEO 3.3.2