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词条 WPrime
释义

  1. Significance

  2. Criticism

  3. References

  4. External links

WPrime is a computer program that calculates a set number of square roots using Newton's method for estimating functions verifying the results by squaring them then comparing them with the original numbers.[1]

Significance

WPrime is popular in the overclocking community for testing the performance and stability of computer processors, as Super PI is single-threaded. Its popularity stemmed from being able to utilize 100% of a multi-core processor's computing time enabling its use as a multi-threaded benchmark application in competitions,[2] computing reviews,[3] and marketing campaigns.[4]

Criticism

The use of Newton's method for testing stability is inherently unreliable due the self-correcting nature of the algorithm with subsequent iterations correcting any potential errors. WPrime would theoretically only detect instability from several consecutive errors. Additionally some have argued that the multi-threading algorithm used is not indicative of real world performance[5] though much of this was due to poor implementations of multi-threading in consumer applications the early days of multi-core processors.

References

1. ^{{Cite web|title = Test your Processor Performance with wPrime|url = http://www.majorgeeks.com/news/story/test_your_processor_performance_with_wprime.html|website = Major Geeks|date=2015-05-05|last=Ben-Mayor|first=Ben|accessdate = 2015-10-05}}
2. ^{{Cite web|title = GIGABYTE Announces Core Prime Overclocking Contest on HWBOT|url = http://www.gigabyte.com.au/press-center/news-page.aspx?nid=949|website = gigabyte.com.au|accessdate = 2015-10-05}}
3. ^{{Cite web|title = Intel i7 4790K Devil's Canyon CPU Review|url = http://www.overclockers.com/intel-i7-4790k-devils-canyon-cpu-review/|website=Overclockers|author=Lvcoyote|date=2014-06-12|accessdate = 2015-10-05}}
4. ^{{Cite web|url = https://communities.intel.com/servlet/JiveServlet/previewBody/2653-102-1-3813/FINAL%2520EN%2520320769-001US.pdf|title = iCafe Increases Revenue with Improved Uptime, Performance, and Reliability with Intel® Xeon® Processor-Based Server|date = 2008|website = Intel Communities|publisher = Intel}}
5. ^{{Cite web|title = About wPrime|url = http://www.wprime.net/About/|website = wprime.net|accessdate = 2015-10-05}}

External links

  • {{Official website|www.wprime.net}}

1 : Utility software

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