1) Message boards : Projects : Which BOINC projects use the most memory? (Message 83470) Posted 3 Dec 2017 by siliconpop Post: You should run LHC it has good RAC but is very memory hungry and some a lot of people avoid it. I run it on a few cores and run another less memory intensive project on the rest of the cores but I still keep running out memory. This is the info I found online and so if you have a pile of RAM then run LHC and run lots of CMS and LHCb as no one else wants them :) Here are the memory and disk requirements for running a single task of an application. Sixtrack Requires 512MB of RAM and 1GB of free hard disk space. Theory Requires 630MB of RAM and 3GB of free hard disk space ( 0.8GB uncompressed disk image size ) plus ~1GB of RAM overhead for the host operating system. ATLAS Requires 1.4GB of RAM and 4GB of free hard disk space ( 2.2GB uncompressed disk image size ) plus ~1GB of RAM overhead for the host operating system. CMS Requires 2GB of RAM and 4GB of free hard disk space ( 1.7GB uncompressed disk image size ) plus ~1GB of RAM overhead for the host operating system. LHCb Requires 2GB of RAM and 8GB of free hard disk space ( 3.9GB uncompressed disk image size ) plus ~1GB of RAM overhead for the host operating system .

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