If this is possible then parallel excel computing should be a breeze.
MICROSOFT EXCEL 2011 MULTITHREAD HOW TO
In particular, how to control the launch of AMIs from VBA and feed them some starting parameters. I was wondering if you've made progress with this, if you (or anyone else) might share some information about how to do it. Therefore, thread-safe cells, or cells that only contain functions that are thread safe, can be.
On a multi-processor or multi-core computer, the default number of threads is equal to the number of processors or cores. Now also looking to implement running excel in parallel across several instances. However, starting in Excel 2007, Excel can be configured to use from 1 to 1024 concurrent threads for worksheet calculation.
I haven't tried turning off the multi-threading, but will do.Ĭan some from AWS please confirm if there is a known problem with the excel multi-threading?
MICROSOFT EXCEL 2011 MULTITHREAD WINDOWS
The Excel-DNA runtime allows managed assemblies to integrate with this low-level Windows API. The Excel C API (introduced in 1995) is not directly accessible from. This is an open source project that lets you create native (.xll) add-ins for Excel using C, VB.Net or F. Running the same task on my laptop (intel i7 2.0GHz, 64bit windows running 32bit excel) it is considerably faster. The name Excel-DNA stands for 'Excel DotNet for Applications'. My performance measuring of the various tasks shows that it is the pure calculation speed in excel which takes time (despite my implementing controlled calculation using range.calculate and range.calculaterowmajororder etc). I ran an looping data sourcing and calculation process using 64bit SQL server express and 64bit excel 2010 and it took >24hours on a m2.xlarge instance, which was the fastest AWS instance i could find (so called 'high compute' instances were considerably slower). I've had a similar experience with slow excel/vba.
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