Video: OpenMP cov lus qhia yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Siv OpenMP cov lus qhia . OpenMP cov lus qhia exploit sib koom nco parallelism los ntawm kev txhais ntau hom ntawm parallel cheeb tsam. Cov cheeb tsam sib npaug tuaj yeem suav nrog ob qho tib si rov ua dua thiab tsis rov ua dua ntu ntawm txoj haujlwm code.
Xav txog qhov no, OpenMP siv rau dab tsi?
OpenMP (Qhib Multi-Processing) yog daim ntawv thov programming interface (API) uas txhawb nqa ntau lub platform sib koom ua ke nco ntau qhov programming hauv C, C ++, thiab Fortran, ntawm ntau lub platform, kev qhia teeb tsa architectures thiab kev ua haujlwm, suav nrog Solaris, AIX, HP-UX, Linux, macOS, thiab Windows.
Tsis tas li ntawd, OpenMP yog dab tsi nyob rau hauv parallel xam? OpenMP yog ib lub tsev qiv ntawv rau parallel programming hauv SMP (symmetric multi-processors, los yog sib koom-nco processors) qauv. Thaum twg programming nrog OpenMP , tag nrho cov xov sib koom nco thiab cov ntaub ntawv. OpenMP txhawb C, C ++ thiab Fortran. Muaj ib txoj xov uas khiav los ntawm qhov pib mus rau qhov kawg, thiab nws hu ua tus tswv xov.
Tib neeg kuj nug, dab tsi yog tus tswv xov OpenMP?
OpenMP nyob rau hauv ib tug nutshell Qhov ib feem ntawm cov code uas yog cim rau khiav nyob rau hauv parallel yuav ua rau xov ua form. Lub ntsiab tread yog lub tswv xov . Tus qhev xov tag nrho cov khiav nyob rau hauv parallel thiab khiav tib code. Txhua xov executes parallelized seem ntawm cov cai ntawm nws tus kheej. Thaum a xov tiav, nws koom nrog tus tswv.
Puas yog OpenMP muaj txiaj ntsig?
MPI tswj thawj theem ntawm parallelization raws li sau decomposition. OpenMP yog feem ntau siv los ua qib thib ob los txhim kho kev sib luag hauv txhua qhov MPI. Nta ntawm OPENMP SIV: Parallel loops, synchronizations, teem caij, txo …
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