Hi, [I sent this out a while back, but it never made it through. Odd.] Based on some great feedback from this list, I was able to remove the dependency on IPC::Shareable. Not that I dislike IPC::Shareable -- to the contrary, it does what it does rather well -- but I was really looking for something more lightweight. I discovered Maurice Aubrey's excellent IPC::ShareLite module, which exactly filled the role I needed. IPC::Cache now relies on the efficient ShareLite shared memory routines, but the interface did not change at all. You can find it at CPAN now: http://www.cpan.org/modules/by-module/IPC/IPC-Cache-0.02.tar.gz Thanks for the feedback! -DeWitt