Graphics Execution Manager
- Graphics Execution Manager
GEM (Graphics Execution Manager) is a modern memory manager for graphics chipsets for the Linux OS. It manages graphics memory, controls the execution context and manages the NUMA environment on modern Graphics chipsets. Multiple applications can share graphics device resources without the need to constantly reload the entire graphics card. GEM ensures conflict free sharing of data between applications by managing the memory synchronization. It uses a lot of existing kernel subsystems for it's operations and hence has a very modest code size. GEM was developed as an alternative to TTM at Intel and is currently in an experimental phase of development.
[GEM Overview] [http://lwn.net/Articles/283798/ GEM announcement on the dri-devel mailing list]
[Phoronix Article] [http://www.phoronix.com/scan.php?page=news_item&px=NjQ3Ng Phoronix.com article on GEM]
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