The new Dual Core Itanium 2 processor (Montecito) with Hyper-Threading is the first EPIC architecture to support hardware multi-threading. Depending on the workload, the hardware multi-threading offers increased instructional throughput by reducing stalled time to resolve cache misses. Because not all applications benefit from hardware multi-threading, HP-UX integrates the ability to dynamically enable and disable hardware multi-threading with the processor set.
Although we cannot authoritatively conclude whether certain applications will benefit from Intel’s Hyper-Threading, HP provides general guideline on types of applications that may benefit.
Learn about HP-UX approach to supporting Intel’s Hyper-Threading technology.
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