AMD reveals details of the Bulldozer chip
The centerpiece of the “Bulldozer” module is its two tightly-linked processor cores. These cores share several high-bandwidth resources (such as the Floating Point Unit) to provide chip-multithreading (CMT) which efficiently executes multiple instruction threads in parallel. Bulldozer’s CMT provides a marked design improvement over current threading approaches which either funnel multiple instruction threads through one processor core (SMT) or replicate cores statically (CMP) – approaches with inherent constraints and performance bottlenecks.
Less visible, but just as important, Bulldozer also combines extensive improvements in silicon circuit design with an advanced 32nm Silicon-on-Insulator (SOI) process to provide significant advantages in power, performance, and reliability.
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