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58 Chapter 5: Matrox 4Sight-M hardware reference
MMX and SSE
technology
The Intel Celeron M and Intel Pentium M processors both use multimedia
extension (MMX) technology. This technology, an extension to the Intel
architecture, is designed specifically to accelerate multimedia and imaging
applications. It addresses the key characteristics of applications that must handle
large amounts of image, video, and graphics data.
The Intel Celeron M and Intel Pentium M processors also use single SIMD
extension (SSE) technology. This is the second set of instructions designed to
enhance multimedia operations.
Cache Both the Intel Celeron M and Pentium M processors have primary (level 1) and
secondary (level 2) caches. Both caches are located on-die (on the processor).
The Intel Celeron M processor incorporates a 32 Kbyte, non-blocking, primary
cache, which is separated into a 16 Kbyte data cache and a16 Kbyte instruction
cache. The Intel Celeron M processor also incorporates a unified (non-separated)
512 Kbyte, non-blocking, secondary cache.
The Intel Pentium M processor also incorporates a 32 Kbyte, non-blocking,
primary cache, separated into a 16 Kbyte data cache and a 16 Kbyte instruction
cache. The Intel Pentium M processor also incorporates a 1 Mbyte, non-blocking,
secondary cache, called Advanced Transfer Cache.
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