Specifies the maximum size, in MB, of the buffers for in-core storage of
block-tensors in CCMAN and CCMAN2.
50% of MEM_TOTAL. If MEM_TOTAL is not set, use 1.5 GB.
A minimum of
192 MB is hard-coded.
Integer number of MB
Larger values can give better I/O performance and are recommended for systems
with large memory (add to your .qchemrc file. When running
CCMAN2 exclusively on a node, CC_MEMORY should be set to
75–80% of the total available RAM. )