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#1
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Excel on a dual-core Pentium..no benefit?
I just purchased a computer for some serious number crunching. I'm running
Excel 2003 under Windows XP Professional. The new machine has 4GB of memory and a Pentium 820D (dual-core) processor I am puzzled (and distraught) that this machine runs Excel computations 50% *slower* than my laptop running a 1.86 Ghz Pentium M processor with 1 GB of RAM and Windows 2000. I expected the new machine to be at noticeably faster than my laptop. Is this expectation unreasonable? When I check the Task Manager, I notice that the dual-core machine never uses more than 50% of the CPU for Excel, whereas my laptop uses up to 99%. Did I make a big mistake with my choice of processor? Will the new machine only use a single core for all computations in Excel? Even with one core, should it be that much slower than my laptop? To get the best performance from Excel, would the Intel Pentium 650 have been a better choice? (Single core, but higher Ghz) Any help would be appreciated. |
#2
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Excel on a dual-core Pentium..no benefit?
Here are a couple of sites that provide lots of information...
http://www.decisionmodels.com http://www.mvps.org/dmcritchie/excel/slowresp.htm My own problem with slow Excel performance on XL2002 was solved by disabling Norton's anti-virus Office Plug-In. -- Jim Cone San Francisco, USA http://www.realezsites.com/bus/primitivesoftware "LawrenceHG" wrote in message I just purchased a computer for some serious number crunching. I'm running Excel 2003 under Windows XP Professional. The new machine has 4GB of memory and a Pentium 820D (dual-core) processor I am puzzled (and distraught) that this machine runs Excel computations 50% *slower* than my laptop running a 1.86 Ghz Pentium M processor with 1 GB of RAM and Windows 2000. I expected the new machine to be at noticeably faster than my laptop. Is this expectation unreasonable? When I check the Task Manager, I notice that the dual-core machine never uses more than 50% of the CPU for Excel, whereas my laptop uses up to 99%. Did I make a big mistake with my choice of processor? Will the new machine only use a single core for all computations in Excel? Even with one core, should it be that much slower than my laptop? To get the best performance from Excel, would the Intel Pentium 650 have been a better choice? (Single core, but higher Ghz) Any help would be appreciated. |
#3
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Excel on a dual-core Pentium..no benefit?
Thanks for the reference, Jim. I'll check it out.
I'm really puzzled by this. Excel doesn't necessarily seem slower during normal operations, e.g., file opening and saving, etc., but rather when doing "pure" computational work. (e.g., a macro that does nothing but mathematical calculations). Both machines are running Excel 2003, so I wouldn't think it's a version issue. "Jim Cone" wrote: Here are a couple of sites that provide lots of information... http://www.decisionmodels.com http://www.mvps.org/dmcritchie/excel/slowresp.htm My own problem with slow Excel performance on XL2002 was solved by disabling Norton's anti-virus Office Plug-In. -- Jim Cone San Francisco, USA http://www.realezsites.com/bus/primitivesoftware "LawrenceHG" wrote in message I just purchased a computer for some serious number crunching. I'm running Excel 2003 under Windows XP Professional. The new machine has 4GB of memory and a Pentium 820D (dual-core) processor I am puzzled (and distraught) that this machine runs Excel computations 50% *slower* than my laptop running a 1.86 Ghz Pentium M processor with 1 GB of RAM and Windows 2000. I expected the new machine to be at noticeably faster than my laptop. Is this expectation unreasonable? When I check the Task Manager, I notice that the dual-core machine never uses more than 50% of the CPU for Excel, whereas my laptop uses up to 99%. Did I make a big mistake with my choice of processor? Will the new machine only use a single core for all computations in Excel? Even with one core, should it be that much slower than my laptop? To get the best performance from Excel, would the Intel Pentium 650 have been a better choice? (Single core, but higher Ghz) Any help would be appreciated. |
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