We're looking in to using YDL 4.1 on a couple of G5s with 8GB RAM. One problem we encountered with OS X was its inability to statically allocate memory larger than a couple of GB. We produced bus errors in both C (developer tools c) and FORTRAN (Absoft ProFortran) on OS X.

Does anyone here know if it's possible to statically allocate more than 4GB RAM with YDL 4.1? Is it a complete/true 64-bit system? I can send a short example code that allocates the memory in Fortran.

I emailed the terrasoft folks directly but haven't received a response.

It's possible to dynamically allocate larger chunks in OS X, but that would require rewriting tons of code which runs just fine on solaris or linux.

I looked through the past couple of months of mailings on the list and didn't see any discussion about this. Please excuse me if it's a dead horse.
Fuzzrence

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