简介:Signlanguageisavisual-gesturallanguagemainlyusedbyhearingimpairedpeopletocommunicatewitheachother.Gestureandfacialexpressionareimportantgrammarpartsofsignlanguage.Inthispaper,atext-basedtransformationmethodofChinese-Chinesesignlanguagemachinetranslationisproposed.Gestureandfacialexpressionmodelsarecreatewd.Andapracticalsystemisimplemented.TheinputofthesystemisChinesetext.Theoutputofthesystemis'graphicsperson'whocangesticulateChinesesignalgnuageaccompainedbyfacialexpressionthatcorrespondstotheChinesetextenteredsoastorealizeautomatictranslationfromChinesetexttoChinesesignlanguage.
简介:mc2llvmisaprocess-levelARM-to-x86binarytranslatordevelopedinourlabinthepastseveralyears.Currently,itisabletoemulatesinglethreadedprograms.Weextendmc2llvmtoemulatemulti-threadedprograms.Ourmaintaskistoreconstructitsarchitectureformulti-threadedprograms.Registermapping,codecachemanagement,andaddressmappinginmc2llvmhaveallbeenmodified.Inaddition,tofurtherspeeduptheemulation,wecollecthotpaths,aggressivelyoptimizeandgeneratecodeforthematruntime.Additionalthreadsareusedtoalleviatetheoverhead.Thus,whenthesamehotpathiswalkedthroughagain,thecorrespondingoptimizednativecodewillbeexecutedinstead.Inourexperiments,oursystemis8.8XfasterthanQEMU(quickemulator)onaveragewhenemulatingthespecifiedbenchmarkswith8guestthreads.