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 Wed 5 Feb 2003, 11:58
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#1
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 Member  Group: Validating Posts: 76 Joined: 08-Jun 02 From: London Member No.: 5,004  |
Hi,
Could someboddy explain to me what level 3 cache is and why it seems so important to many Mac musicians (esp laptop). Ta in adv J -------------------- Macbook Pro 2 ghz/15"/10.3.4/1 g RAM/x2 monitors/Logic Pro 7.2/Ableton Live 5.0/Reason 3/Fireface 800/PSP Vintage Warmer/Roland JD800/Roland SH101/Arturia Moog Modular/Epiphone Firebird 7/Guitar Rig/Dynaudio BM5a monitors.
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 Thu 6 Feb 2003, 07:37
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#2
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 Moderator In Chief (MIC)  Group: Editors Posts: 15,189 Joined: 23-Dec 01 From: Paris - FR Member No.: 2,758 |
You have 3 levels of cache, cache is a small amount of very speedy static RAM near the processor.
Level 1: inside the processor, same speed as him. small size, very fast Level 2: outside the chip, same or half speed as the processor, bigger Level 3: outside the chip, bigger still Instructions, data etc are going to the processor thru these caches, giving time to the system to gather these and store them for the processor in time for the proc not to wait before doing its job. No time wasted! And the computer is faster than if it was relying only on the normal RAM only. An old but enlightning explaination page can be found HERE -------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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Thu 6 Feb 2003, 13:59
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#3
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 Maniac Member Group: Members Posts: 799 Joined: 24-Mar 02 From: Entre-Deux-Mers - FR Member No.: 3,984 |
I use an ibook and have no idea what it is. Doesn't worry me
-------------------- Without shit, we wouldn't be here ;)
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Thu 6 Feb 2003, 17:58
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#4
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Member Group: Validating Posts: 76 Joined: 08-Jun 02 From: London Member No.: 5,004 |
Much appreciated folks
- the guys who mention it most use the Ableton Live sequencer (audio only) I suppose the cache may be more important for it's use. j -------------------- Macbook Pro 2 ghz/15"/10.3.4/1 g RAM/x2 monitors/Logic Pro 7.2/Ableton Live 5.0/Reason 3/Fireface 800/PSP Vintage Warmer/Roland JD800/Roland SH101/Arturia Moog Modular/Epiphone Firebird 7/Guitar Rig/Dynaudio BM5a monitors.
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Fri 7 Feb 2003, 03:42
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#5
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Moderator In Chief (MIC) Group: Editors Posts: 15,189 Joined: 23-Dec 01 From: Paris - FR Member No.: 2,758 |
The more power you need, the more reactivity you need the more L3 is important.
A system that use L3 extensively is directly more powerfull. The dual 867 were pretty lame regarding this as an example. (Don't worry Presto, I know for a long time now that I'm kind of geek/nerd/whatever, and you don't need to know what L3 is to make a great song 
-------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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Fri 7 Feb 2003, 11:14
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#6
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 Maniac Member Group: Members Posts: 645 Joined: 17-May 02 From: Broughton Member No.: 4,705 |
Ableton Live sucks up a LOT of power. With only 8 tracks running and a couple of FX (particularly reverb, no surprise) my CPU rate hits 80% and I often get playback problems. It's a cool program, especially v2, but I think its performance needs further optimising. Compared to SX or Logic, you can really feel the difference.
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Fri 7 Feb 2003, 12:47
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#7
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Maniac Member Group: Members Posts: 799 Joined: 24-Mar 02 From: Entre-Deux-Mers - FR Member No.: 3,984 |
It doesn't worry me, but it's interesting to know, specially if I were chosing a new computer.
Without L3 I do of course, well, could, perhaps, maybe, you never know, well perhaps not, make great songs. Can you get L3s for brains? I don't think great composers are of any use to this site but geeks/nerds are  Thanks to all MM geeks for your help. I'm not sure that great composers actually live on the same planet as most people. Have you seen any on Mars?
-------------------- Without shit, we wouldn't be here ;)
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