Improving dual-core compatibility for gaming
AMD has silently released a utility that fixes time stamp
counter (TSC) issues with dual-core AMD processors such as the Athlon 64 X2 and
Opteron. The AMD Dual-Core Optimizer utility is a driver that synchronizes the
time stamp counter on both processor cores and improves game compatibility and
performance. Time stamp counter issues occur in older games that are
incompatible with multithreading and would run too fast or out of sync.
Issues also occur in newer games and applications that have compatibility
issues with processor affinity like Need For Speed: Most Wanted. Affinity
issues typically required users to bring up the task manager and set the
processor affinity manually or performance would suffer dramatically.
The AMD Dual-Core Optimizer utility
could possibly be the rumored “Reverse
Hyper-Threading” patch that would improve single thread application and games
performance by having dual-core processors show up as a single core processor
in applications. AMD has declined to comment on "Reverse Hyper-Threading."
AMD’s Dual-Core Optimizer utility version 1.0 is available from AMD’s
website. The utility release notes shows it as being released on March 22nd,
2006 which is strange as AMD has made no mention of the utility publicly. The utility also installed on Core Duo and Opteron systems.
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