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- Adjusted_Peak_Performance abstract "Adjusted Peak Performance (APP) is a metric introduced by the U.S. Department of Commerce's Bureau of Industry and Security (BIS) to more accurately predict the suitability of a computing system to complex computational problems, specifically those used in simulating nuclear weapons. This is used to determine the export limitations placed on certain computer systems under the Export Administration Regulations 15 CFR.The (simplified) algorithm used to calculate APP consists of the following steps: Determine how many 64 bit (or better) floating point operations every processor in the system can perform per clock cycle (best case). This is FPO(i). Determine the clock frequency of every processor. This is F(i). Choose the weighting factor for each processor: 0.9 for vector processors and 0.3 for non-vector processors. This is W(i). Calculate the APP for the system as follows: APP = FPO(1) * F(1) * W(1) + ... + FPO(n) * F(n) * W(n). The metric was introduced in April 2006 to replace the Composite Theoretical Performance (CTP) metric which was introduced in 1993. APP was itself replaced in November 2007 when the BIS amended 15 CFR to include the December 2006 Wassenaar Arrangement Plenary Agreement Implementation's new metric - Gigaflops (GFLOPS), one billion floating point operations per second, or TeraFLOPS, one trillion floating point operations per second.The unit of measurement is Weighted TeraFLOPS (WT) to specify Adjusted Peak Performance (APP). The weighting factor is 0.3 for non-vector processors and 0.9 for vector processors. For example, a PowerPC 750 running at 800MHz would be rated at 0.00024 WT due to being able to execute one floating point instruction per cycle and not having a vector unit. Note that only 64 bit (or wider) floating point instructions count.Notes: Processors without 64 bit (or better) floating point support have an FPO of zero. The current APP limit is 0.75 WT. Use the document referenced below (or an updated version) if you need to calculate APP for export purposes. It holds more details and a number of clarifications and exceptions. Also consult a lawyer who specializes in these things.".
- Adjusted_Peak_Performance wikiPageExternalLink default.htm.
- Adjusted_Peak_Performance wikiPageExternalLink CS-017346.htm.
- Adjusted_Peak_Performance wikiPageExternalLink eccn-matrix-hardware-412043.pdf.
- Adjusted_Peak_Performance wikiPageID "7025591".
- Adjusted_Peak_Performance wikiPageLength "2603".
- Adjusted_Peak_Performance wikiPageOutDegree "7".
- Adjusted_Peak_Performance wikiPageRevisionID "488754280".
- Adjusted_Peak_Performance wikiPageWikiLink Bureau_of_Industry_and_Security.
- Adjusted_Peak_Performance wikiPageWikiLink Category:Computer_benchmarks.
- Adjusted_Peak_Performance wikiPageWikiLink Export_Administration_Regulations.
- Adjusted_Peak_Performance wikiPageWikiLink FLOPS.
- Adjusted_Peak_Performance wikiPageWikiLink Nuclear_weapon.
- Adjusted_Peak_Performance wikiPageWikiLink Nuclear_weapons.
- Adjusted_Peak_Performance wikiPageWikiLink U.S._Department_of_Commerce.
- Adjusted_Peak_Performance wikiPageWikiLink United_States_Department_of_Commerce.
- Adjusted_Peak_Performance wikiPageWikiLink Wassenaar_Arrangement.
- Adjusted_Peak_Performance wikiPageWikiLinkText "Adjusted Peak Performance".
- Adjusted_Peak_Performance hasPhotoCollection Adjusted_Peak_Performance.
- Adjusted_Peak_Performance subject Category:Computer_benchmarks.
- Adjusted_Peak_Performance type Comparison.
- Adjusted_Peak_Performance comment "Adjusted Peak Performance (APP) is a metric introduced by the U.S. Department of Commerce's Bureau of Industry and Security (BIS) to more accurately predict the suitability of a computing system to complex computational problems, specifically those used in simulating nuclear weapons.".
- Adjusted_Peak_Performance label "Adjusted Peak Performance".
- Adjusted_Peak_Performance sameAs m.0h0xg1.
- Adjusted_Peak_Performance sameAs Q4683203.
- Adjusted_Peak_Performance sameAs Q4683203.
- Adjusted_Peak_Performance wasDerivedFrom Adjusted_Peak_Performance?oldid=488754280.
- Adjusted_Peak_Performance isPrimaryTopicOf Adjusted_Peak_Performance.