dougpeterson
Workshop Member
Improvement for 8-core machines is just that - specific tweaking to get the 8-core machines to use as close to 100% of all 8-cores as possible.For what it's worth, I just did the update on my macbook pro, but I see no improvement on CPU handling, which puzzles me a bit. I thought, if they improve it for 8 cores, surely the dual core will benefit. (running OSX 5.8)
If I export P1 files to tiff, first of all it takes ages, I did not time it, but I would think 45 files are close to an hour. (2.6Ghz Dual Core, 4Gig Ram) Apart from that, what I am not impressed about is that both Cores are running at 100% and take a long time to process TIFF files.
As it stands, I would not risk using my macbook pro for C1 on a regular basis, mainly because C1 4.82 drives the hardware to the very edge. A constant CPU temperature of 87 degrees celsius during conversion is only 3 degrees below security shutdown.
May be it is not supposed to run on a macbook pro?
I have yet to run installation on my macpro.
On a positive note, the preview of files is much improved.
Processing speed on a 2-Core Laptop vs. an 8-core Mac Pro is always going to be significantly slower. This is not because C1 is doing poorly using the resources of the 2-Core (as you note it's using the hardware to it's utmost) but rather because C1 does so well on an 8-Core. For many day-to-day operations a fast laptop and fast desktop won't feel much different. For heavy image processing (pure math) the difference is tremendous.
As a side note, there is a great mini-program called SMC Fan Control which will let you ramp your fan speed manually. You can turn this on nearly-max in advance of processing and the computer will stay much cooler during processing. Apple, IMO, errors too much on the side of keeping the computer quiet versus cool. (disclaimer: I have no idea the extent to which ramping your fan to near-max will lower the life of the fans).
Doug Peterson (e-mail Me)
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