Approximation of NURBS Curves and Surfaces Using Adaptive Equidistant Parameterizations

《Approximation of NURBS Curves and Surfaces Using Adaptive Equidistant Parameterizations》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、万方数据n趣咖聊sc如HcP口耐z如^no妇y，知HP2005，lO(3)：304308Table2E鼬ctofnestedpar柚elism帅exe伽廿蛐廿me(s)Inter‰ter2一inter3—～———』鬯坠鲨竺坠坠——一——Q里g!!型墨!生鱼生!堂垒生!墨鱼墨；堡垒墨-堡垒墨鱼10100—10002．259Q盟lO507O5050607O．5780．499060010一1000一1002254Q二§螋0506O649060605770．499O600100—IO一100022650508O60904970．5060．48206000500100—100—1002264

2、0508O509n6950．505b．48d0502O500lOO一1000一102269O5180．506』二§卫0．511O515O．51605171000-lO—10022560．5们Q：§塑0649O5090．483O．61805031000—100一102．2630．520O51716770．516O．520O526O525Note：“odgmal”representssedalexecunon；“Lf”meansopenMPdirectives印pliedaroundthe—t11lo叩5ConclusionsTestsof山eexecutionperfonnanceo

3、fOpenMPprogramswithpracticalexamplesshowthatbesidesthehardwareconfigur撕0nandcompiler，100ptransfomation，scheduli“gstrategy，numberoft11reads，andnestedDarallelismalsoaff色ctmeexecutionperfbrmanceofOpenMPprogr蛐s．Oneessentialreasonfortheperformancedegradationisloadimbalance．Reasonableuseoflooptmnsfo

4、mation，schedulingstrategy，numberoftllreads，a11dnestedp锄11elismcanimpmvetheexecutionperfomanceofOpenMPprogramsOtherfactors，suchasschedulingoverhead，threadcreationandswitchin譬overhead．andsvncllronizadonwillalsoaf!Ibcttheexecutionperfo邶anceofopenMPprogramsReferences[1JopenMPAPrV2O，availabIe伽htIp：

5、∥、vww、0penmporg，2002[2]DagumL，MenonROpenMP：AnindustrystandardAPIforshared—memorypmgraITlming∞，印“m勘n耐＆fPncP“蒯勘g加eerm占，1998，5(1)：46—55．[3]Mattson0AninⅡoductiontoOpenMPIn：ProceedingsofClusterComputingandt11eG订dAus订alia：Bnsbane，200l3—5【4】GonzdlezM，seITaA，Manorellx，ollverJ，Ayguad∈E，LabanaJ，NavaⅡDJI

6、．Applyinginterposlnontechniquesfo。pe哟manceanalysisofOPENMPparaIlelapplic撕ons．In：PmceedlngsofPamllelandDist曲ut酣ProcessingSymposlum．Mexico：Cancun，2000：235—240[5]wolfF，MohrBAutomaticperforIllanceanalysisofhyb五dMP玳)penMP8pplications如“埘耐o，$5fPmsArc^f把cm坨：nPE啉删CR0如“ⅢⅡ，．2003．49flO—111：42l一439．【6】Guid

7、eVlewhttp：，，wwwintelcom，soRw嘶roduct非appm，Demishtm，1998[7]Ovaltinehttp：Ⅳwwwcsmanacul(，cnc／projects，ovaltin“，2000[8】VTunea11alyzer．bttp：／，wwwintel．coⅡl，sonware／products，vtune，[9]TAUhnp：Ⅳwwwcs．uoregonedu，researcll，paracomp，proj，tau，．2000[1