rte_prefetch.h File Reference

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Functions
static void	rte_prefetch0 (const volatile void *p)
static void	rte_prefetch1 (const volatile void *p)
static void	rte_prefetch2 (const volatile void *p)

Detailed Description

Prefetch operations.

This file defines an API for prefetch macros / inline-functions, which are architecture-dependent. Prefetching occurs when a processor requests an instruction or data from memory to cache before it is actually needed, potentially speeding up the execution of the program.

Definition in file rte_prefetch.h.

Function Documentation

static void rte_prefetch0 ( const volatile void *  p )

inlinestatic

Prefetch a cache line into all cache levels.

Parameters

p	Address to prefetch

static void rte_prefetch1 ( const volatile void *  p )

inlinestatic

Prefetch a cache line into all cache levels except the 0th cache level.

Parameters

p	Address to prefetch

static void rte_prefetch2 ( const volatile void *  p )

inlinestatic

Prefetch a cache line into all cache levels except the 0th and 1th cache levels.

Parameters

p	Address to prefetch