Cache line

Q: How deeply does Rust in Action: Systems programming concepts and techniques cover cache line?

Defines the transfer unit and distinguishes it from the TLB, but stops short of cache-line layout or performance internals.

As explained in Rust in Action: Systems programming concepts and techniques

A cache line is a small fixed-size block of data transferred between RAM and a processor cache as a unit.

A cache line is a small, fixed-size block of data transferred between RAM and a processor cache as one unit. section 6.4.3

Keep cache lines distinct from the translation lookaside buffer (TLB): the TLB caches recently translated addresses, while a cache line describes a data-transfer unit between RAM and processor cache. section 6.4.3

How Rust in Action: Systems programming concepts and techniques covers it

Cover of Rust in Action: Systems programming concepts and techniques

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Also explained in

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100 Go Mistakes and How to Avoid ThemA cache line is the fixed-size unit of contiguous memory transferred between main memory and a processor cache.
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LatencyA cache line is a fixed-size block of memory stored and managed as a unit in a CPU cache.
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Learn Concurrent Programming with GoA cache line is a block-sized unit of memory storage that a cache transfers and tracks as a copy of main memory.

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Related concepts

false sharingused by · False sharing is a performance problem in which independent data accessed by different threads occupy the same cache line, causing unnecessary cache-coherence traffic when that data is modified.
CPU cachepart of · A CPU cache is small, fast memory that stores copies of data or instructions for quicker access by a processor.
hardwareused by · Hardware is the physical equipment and components of a computing system that provide resources for computation and software execution.
spatial localityused by · Spatial locality is the tendency for memory locations near a recently accessed location to be accessed soon afterward.

This explainer was generated by Manning's knowledge graph from the text of Rust in Action: Systems programming concepts and techniques. The section links point to the parts of the book it draws on.