Would an transform cache fit in an global memoy space? This using the same memory across applications and save space. Is taking the profile id's of both involved profiles plus creation options sufficent?
Using a memory-mapped file obtains the benefit of shared "global" memory while obtaining the ability to re-use the cache between program invocations. In order for this to work, the transform layout would need to observe certain rules. For example, it would be best to store offsets from the base of the transform rather than storing pointers. That would allow the transform to be loaded at any address. Also, it is best that the transform be able to live in a linear memory region rather than having some parts of it allocated separately from the heap.
Bob ====================================== Bob Friesenhahn [EMAIL PROTECTED] http://www.simplesystems.org/users/bfriesen
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