PPT-Tvar kmene
Author : tawny-fly | Published Date : 2016-06-13
Modul 7 HÚL 3 Tvar kmene Tvar kmene Tvar kmene je výsledkem růstového procesu Je závislý na Tvar kmene je možné ovlivnit vhodnými pěstebními zásahy
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Tvar kmene: Transcript
Modul 7 HÚL 3 Tvar kmene Tvar kmene Tvar kmene je výsledkem růstového procesu Je závislý na Tvar kmene je možné ovlivnit vhodnými pěstebními zásahy Biologických a morfologických vlastnostech dřeviny . . Concurrency: STM. Slides due to: Kathleen Fisher, Simon Peyton Jones, . Satnam. Singh, Don Stewart. The Grand Challenge. How to properly use multi-cores?. Need new programming models!. Parallelism . Simon Peyton Jones (Microsoft Research). Tokyo Haskell Users Group. April 2010. Most new programming languages. 1yr. 5yr. 10yr. 15yr. 1,000,000. 1. 100. 10,000. The quick death. Geeks. Practitioners. Kathleen Fisher. cs242. Reading: . “. Beautiful Concurrency. ”. , . . “. The Transactional Memory / Garbage Collection Analogy. ”. Thanks. to Simon . Peyton Jones. for these . slides. . Steve Severance – Alpha Heavy Industries. Motivation. Innovations in concurrency has not kept pace. Still using locks. Immutability has helped in Haskell. STM Basics. Transactional Concurrency. Atomicity – Results are visible all at once. Figure2.Theinterfaceformachinerelationaldomains(slightlysimplied).andz,whileapolyhedraldomainwillrecordthetwoinequalitiesxy+z^xy+z.Finally,assumeebArenestheabstractstateAtoreectthefactthatexpress Koen Lindström Claessen. Chalmers University. Gothenburg, Sweden. Ulf Norell. Expressing. Parallelism. In a pure, lazy language. Evaluation is done when needed. Evaluation order does not affect meaning of program.
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