Re:SFZ+ "not enough memory" when loading fairly small soundfont
Whenever I see an out-of-memory error in a situation where the reported available memory would seem to be adequate, I suspect that the source of the error is something other than actually running out of memory.
Programs allocate bits of memory for various purposes such as storing graphical information (GDI), buffering, and keeping track of what it's doing (stack memory). These may be constrained beyond what raw memory available, and as such are often the source of "out of memory" messages even when there is actually sufficient system RAM available. GDI, for example, is a global resource shared by all programs. One program can exhaust it, preventing another, unrelated program to fail.
These are usually not issues that you, the end user, can pursue on your own. The developers have to trace through the error to determine its actual cause.
All else is in doubt, so this is the truth I cling to. My Stuff