Just an FYI to ATI users, make sure you grab the latest ATI Catalyst Application Profiles:
http://www2.ati.com/drivers/hotfix/catalyst_application_profiles/amd_catalyst_11.2_cap4.exe.
It specifically notes "Crysis 2 - Improves CrossFire performance" so maybe it'll help.
http://www2.ati.com/drivers/hotfix/catalyst_application_profiles/amd_catalyst_11.2_cap4.exe.
It specifically notes "Crysis 2 - Improves CrossFire performance" so maybe it'll help.