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HandWiki. Trace Cache. Encyclopedia. Available online: https://encyclopedia.pub/entry/37865 (accessed on 30 September 2026).
HandWiki. Trace Cache. Encyclopedia. Available at: https://encyclopedia.pub/entry/37865. Accessed September 30, 2026.
HandWiki. "Trace Cache" Encyclopedia, https://encyclopedia.pub/entry/37865 (accessed September 30, 2026).
HandWiki. (2022, December 02). Trace Cache. In Encyclopedia. https://encyclopedia.pub/entry/37865
HandWiki. "Trace Cache." Encyclopedia. Web. 02 December, 2022.
Trace Cache
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The content is sourced from: https://handwiki.org/wiki/Trace_Cache

Trace Cache (also known as execution trace cache) is a very specialized cache which stores the dynamic stream of instructions known as trace. It helps in increasing the instruction fetch bandwidth and decreasing power consumption (in the case of Intel Pentium 4) by storing traces of instructions that have already been fetched and decoded. Trace Processor is an architecture designed around the Trace Cache and processes the instructions at trace level granularity.

granularity execution trace

References

  1. Rotenberg, Eric; Bennett, Steve; Smith, James E.; Rotenberg, Eric (1996-01-01). "Trace Cache: a Low Latency Approach to High Bandwidth Instruction Fetching". In Proceedings of the 29th International Symposium on Microarchitecture: 24–34. http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.140.2177. 
  2. Peleg, Alexander; Weiser, Uri (Jan 10, 1995), Dynamic flow instruction cache memory organized around trace segments independent of virtual address line, http://www.google.com/patents/US5381533, retrieved 2016-10-18 
  3. Leon Gu; Dipti Motiani (October 2003). "Trace Cache" (PDF). Retrieved2013-10-06. https://www.cs.cmu.edu/afs/cs/academic/class/15740-f03/www/lectures/TraceCache_slides.pdf
  4. Agner Fog (2014-02-19). "The microarchitecture of Intel, AMD and VIA CPUs: An optimization guide for assembly programmers and compiler makers" (PDF). agner.org. Retrieved 2014-03-21. http://www.agner.org/optimize/microarchitecture.pdf
  5. Co, Michele. "Trace Cache". www.cs.virginia.edu. http://webcache.googleusercontent.com/search?q=cache:gljZlApiEfsJ:www.cs.virginia.edu/~mc2zk/cs451/mco_tc.ppt+&cd=1&hl=en&ct=clnk&gl=us. 
  6. https://pdfs.semanticscholar.org/presentation/cfcc/9d5a7480c4ea87e77084386d74aaff9a1ee1.pdf
  7. https://web.archive.org/web/20160306140603/http://www.xbitlabs.com/articles/cpu/print/replay.html
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