Happy Hopping
Supreme [H]ardness
- Joined
- Jul 1, 2004
- Messages
- 7,837
and when are these Xeon Phi going to be available for sale?
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Any1 use Office 2007 or 2010 or 2013 that does a lot of Excel iteration calculation and notice a major gain?
Excel does not scale with more and more cores. I know people misuse spreadsheets for many purposes, but if you're doing heavy parallelize-able calculations, a dedicated application is probably better.
Well, the re-iteration calculation is for scientific engineering purpose. Having said that, what if I add a Tesla, would it help on Excel 2007 or 2010 for those iteration calculation?
Why are you using Excel if you're contemplating spending >$1000 on a co-processor that won't benefit from parallelisation? If you're constrained by time and need more performance, and you're dishing out that much money, then you need to rethink what software you're using.
Microsoft Office Excel 2007 was the first version of Excel to use multithreaded recalculation (MTR) of worksheets. You can configure Excel to use up to 1024 concurrent threads when recalculating, regardless of the number of processors or processor cores on the computer.
If the computer has multiple processors or processor cores, the operating system takes responsibility for allocating the threads to the processors in the most efficient way.
The level of parallelism that can be extracted is limited by dependencies between the cells on the sheets*. Look at task manager when you recalculate a large spreadsheet. You could make a contrived example that allows more threading, but it's not going to be representative of virtually any real life data.so the above appears to contradict what you people are saying?