Author: stuart taylor
Date: 20:03:33 08/05/00
Go up one level in this thread
On August 04, 2000 at 13:58:56, Tom Kerrigan wrote: >On August 04, 2000 at 05:46:59, stuart taylor wrote: > >>On August 04, 2000 at 01:55:11, Tom Kerrigan wrote: >> >>>On August 03, 2000 at 22:20:55, stuart taylor wrote: >>> >>>>On August 03, 2000 at 21:13:46, Tom Kerrigan wrote: >>>> >>>>>On August 03, 2000 at 20:21:14, stuart taylor wrote: >>>>> >>>>>>On August 03, 2000 at 19:23:37, Tom Kerrigan wrote: >>>>>> >>>>>>>On August 03, 2000 at 18:59:54, stuart taylor wrote: >>>>>>> >>>>>>>>On August 03, 2000 at 14:26:49, Tom Kerrigan wrote: >>>>>>>> >>>>>>>>>On August 03, 2000 at 01:22:18, stuart taylor wrote:>>256k L2 cache is better than regular Athlons 512k? >>>>> >>>>>I believe that HIARCS would run faster on the old Athlon because it has a bigger >>>>>cache. HIARCS runs extremely fast on Power Macs with 1MB of L2 cache. >>>>> >>>>>> >>>>>-Tom >>>> >>>>So size of L2 cache, and its speed, ARE two different things then!? >>>>S.Taylor >>> >>>Yes. The cartridges of old Athlons contain several chips. One is the processor >>>and the rest are the L2 cache. The L2 cache runs at some fraction of the >>>processor's clock speed, like 1/2 or 1/3. >>> >>>The Tbird is one chip and it has L2 cache built-in. Because it's on the same >>>chip, the L2 cache runs at the same frequency as the processor. >>> >>>The Tbird's cache is faster because it's closer to the processor and it runs at >>>a higher frequency. >>> >>>-Tom >> >>I mean, so Hiarcs (and possibly new programs to come) prefers "bigger" L2 cache, >>rather than "faster" L2 cache? Or am I mixed up? >> >>Is Tomshardware named after you? Didn't I once see a mirror site with Hebrew? >>S.Taylor > >I can only wish that Tom's Hardware was my site. I'm sure that Tom Pabst is >making a fortune off of it. I don't know if he has a Hebrew mirror. > >Anyway, depending on how a program uses memory, it can prefer a bigger L2 cache >over a faster one. There's a big penalty when your program misses cache and has >to go to main memory. In some cases, the extra speed of the Tbird's cache isn't >enough to compensate for the extra penalties. > >-Tom Ah! now we're begining to get the picture, bit by bit! Thanks! S.Taylor
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