Konsorciumi W3C shpalli gatishm\u00ebrin\u00eb e specifikacionit q\u00eb standardizon kodi nd\u00ebrmjet\u00ebs WebAssembly 3.0 dhe API-s\u00eb p\u00ebrkat\u00ebse, duke lejuar krijimin e aplikacioneve me performanc\u00eb t\u00eb lart\u00eb, t\u00eb transferueshme nd\u00ebrmjet shfletuesve dhe platformave harduerike. WebAssembly ofron nj\u00eb kod t\u00eb ul\u00ebt nd\u00ebrmjet\u00ebs, t\u00eb pavarur nga shfletuesi, p\u00ebr ekzekutimin e aplikacioneve t\u00eb kompiluara nga gjuh\u00eb t\u00eb ndryshme programimi. <\/p>\n
Teknologjia WebAssembly mund t\u00eb p\u00ebrdoret p\u00ebr t\u00eb ekzekutuar n\u00eb shfletues detyra q\u00eb k\u00ebrkojn\u00eb performanc\u00eb t\u00eb lart\u00eb, t\u00eb tilla si kodimi i videove, p\u00ebrpunimi i z\u00ebrit, manipulimi i grafik\u00ebs dhe 3D, zhvillimi i loj\u00ebrave, operacioneve kriptografike dhe llogaritjeve matematikore p\u00ebrmes organizimit t\u00eb ekzekutimit n\u00eb shfletues t\u00eb kodit t\u00eb shkruar n\u00eb gjuh\u00eb t\u00eb kompilueshme, si C\/C++. N\u00ebp\u00ebrmjet angazhimit JIT p\u00ebr WebAssembly, mund t\u00eb arrihet nj\u00eb nivel performance t\u00eb af\u00ebrt me kodin natyror. <\/p>\n
Mes q\u00ebllimeve kryesore t\u00eb WebAssembly \u00ebsht\u00eb sigurimi i transferueshm\u00ebris\u00eb, parashikueshm\u00ebris\u00eb s\u00eb sjelljes dhe identitetit t\u00eb ekzekutimit t\u00eb kodit n\u00eb platforma t\u00eb ndryshme. WebAssembly nuk kufizohet vet\u00ebm n\u00eb shfletuesit dhe promovohet gjithashtu si nj\u00eb platform\u00eb universale p\u00ebr ekzekutimin e sigurt t\u00eb kodit n\u00eb \u00e7do infrastruktur\u00eb, sistem operativ dhe pajisje. <\/p>\n
Specifikimet e m\u00ebposhtme jan\u00eb n\u00eb dispozicion: <\/p>\n
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WebAssembly Core \u2014 p\u00ebrshkruan nj\u00eb makin\u00eb virtuale n\u00eb nivel t\u00eb ul\u00ebt p\u00ebr ekzekutimin e kodit t\u00eb nd\u00ebrmjet\u00ebm WebAssembly. Burimet e lidhura me WebAssembly ofrohen n\u00eb formatin \u2018.wasm\u2019, i ngjash\u00ebm me skedar\u00ebt \u2018.class\u2019 n\u00eb Java dhe p\u00ebrmban t\u00eb dh\u00ebna statike dhe segmente kodi p\u00ebr pun\u00eb me k\u00ebto t\u00eb dh\u00ebna. <\/li>\n
WebAssembly JavaScript API \u2014 ofron nj\u00eb API p\u00ebr integrimin me JavaScript. Lejon marrjen e vlerave dhe d\u00ebrgimin e parametrave n\u00eb funksionet WebAssembly. Ekzekutimi i WebAssembly p\u00ebrputhet me modelin e siguris\u00eb s\u00eb JavaScript dhe t\u00eb gjitha nd\u00ebrveprimet me sistemin kryesor b\u00ebhen n\u00eb m\u00ebnyr\u00eb t\u00eb ngjashme me ekzekutimin e kodit JavaScript.\n
WebAssembly Web API \u2014 p\u00ebrcakton nj\u00eb nd\u00ebrfaqe programore t\u00eb bazuar n\u00eb mekanizmin Promise p\u00ebr t\u00eb k\u00ebrkuar dhe ekzekutuar burimet \u2018.wasm\u2019. Formati i burimeve WebAssembly \u00ebsht\u00eb optimizuar p\u00ebr fillimin e ekzekutimit, pa pritur ngarkimin e plot\u00eb t\u00eb skedarit, \u00e7ka lejon rritjen e p\u00ebrgjegjshm\u00ebris\u00eb s\u00eb aplikacioneve web.\n
WASI API \u2014 p\u00ebrcakton nj\u00eb nd\u00ebrfaqe modulare sistemike p\u00ebr ekzekutimin e WebAssembly jasht\u00eb shfletuesve dhe ofron qasje n\u00eb burime si skedar\u00eb, lidhje rrjetesh, gjenerator\u00eb numrash t\u00eb rastit dhe or\u00ebt sistemore. <\/ul>\n
V\u00ebrehet se n\u00eb versionin e ri t\u00eb standardit \u00ebsht\u00eb p\u00ebrmir\u00ebsuar ndjesh\u00ebm mb\u00ebshtetje e kompilimit n\u00eb WebAssembly t\u00eb gjuh\u00ebve t\u00eb nivelit t\u00eb lart\u00eb. P\u00ebr shembull, \u00ebsht\u00eb realizuar mund\u00ebsia e kompilimit n\u00eb WebAssembly projektet e shkruara n\u00eb gjuh\u00ebt Java, OCaml, Scala, Kotlin, Scheme dhe Dart. Ndryshimet kryesore n\u00eb WebAssembly 3.0, n\u00eb krahasim me versionin e dyt\u00eb t\u00eb standardit: <\/p>\n
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\u00cbsht\u00eb realizuar mb\u00ebshtetje p\u00ebr hap\u00ebsir\u00ebn adresuese 64 bit. Tani p\u00ebr adresimin e memories mund t\u00eb p\u00ebrdoret lloji i64, jo vet\u00ebm i32, \u00e7ka zgjeron hap\u00ebsir\u00ebn adresuese t\u00eb disponueshme p\u00ebr aplikacione nga 4 GB n\u00eb 16 EB (n\u00eb ekzekutimin n\u00eb shfletues \u00ebsht\u00eb vendosur nj\u00eb kufizim prej 16 GB).\n
\u00cbsht\u00eb ofruar mund\u00ebsia p\u00ebr p\u00ebrdorimin e disa objekteve memories n\u00eb nj\u00eb moduli WebAssembly dhe p\u00ebr pun\u00eb me hap\u00ebsira t\u00eb ndryshme adresimi. Nd\u00ebr t\u00eb tjera, \u00ebsht\u00eb e mundur kopjimi i t\u00eb dh\u00ebnave midis instancave t\u00eb ndryshme t\u00eb objekteve memories, t\u00eb vendosura n\u00eb hap\u00ebsira t\u00eb ndryshme adresimi.\n
\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr mbledhjen e plehrave. P\u00ebrve\u00e7 memories lineare t\u00eb disponueshme m\u00eb par\u00eb, \u00ebsht\u00eb ofruar nj\u00eb lloj i ve\u00e7ant\u00eb magazinimi, i menaxhuar automatikisht me an\u00eb t\u00eb mbledh\u00ebsit t\u00eb plehrave. Kompilatori tani mund t\u00eb p\u00ebrdor\u00eb struktura t\u00eb ve\u00e7anta t\u00eb t\u00eb dh\u00ebnave, masa dhe variabla, p\u00ebr t\u00eb cilat menaxhimi i memories dhe i ciklit t\u00eb jet\u00ebs \u00ebsht\u00eb p\u00ebrgjegj\u00ebs WebAssembly.\n
\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr referencat e tipizuara, t\u00eb cilat mund t\u00eb p\u00ebrshkruajn\u00eb struktur\u00ebn e sakt\u00eb t\u00eb vler\u00ebs, ndaj t\u00eb cil\u00ebs referenca tregon, duke shmangur k\u00ebshtu verifikimet shtes\u00eb gjat\u00eb ekzekutimit. Mb\u00ebshteten n\u00ebn-tipi, recursioni e tipeve dhe mund\u00ebsia e p\u00ebrdorimit t\u00eb sigurt t\u00eb referencave n\u00eb funksione, pa pasur nevoj\u00eb p\u00ebr verifikim t\u00eb tipeve dhe kufijve gjat\u00eb ekzekutimit.\n
\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr thirrjet e bishtit (Tail call), kur funksioni aktual p\u00ebrfundon menj\u00ebher\u00eb pas thirrjes s\u00eb nj\u00eb funksioni tjet\u00ebr, pa harxhuar hap\u00ebsir\u00eb n\u00eb stack.\n
\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr trajtimin e p\u00ebrjashtimeve.\n
Shtuar mb\u00ebshtetje p\u00ebr instrukcionet SIMD t\u00eb \u2018relaksuara\u2019, q\u00eb lejojn\u00eb arritjen e performanc\u00ebs m\u00eb t\u00eb lart\u00eb duke hequr dor\u00eb nga respektimi i plot\u00eb i semantikes n\u00eb t\u00eb gjitha platformat harduerike.\n
\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr profilin deterministik t\u00eb ekzekutimit, i cili p\u00ebrcakton nj\u00eb sjellje t\u00eb pavarur nga platforma aktuale p\u00ebr instruksionet, rezultatet e ekzekutimit t\u00eb t\u00eb cilave mund t\u00eb ndryshojn\u00eb n\u00eb platforma t\u00eb ndryshme (operacionet me pik\u00eb flutuese, kthimi i vler\u00ebs NaN, instruksionet e dob\u00ebsuara vektoriale). Kur zgjidhet ky profil, Wasm siguron sjellje deterministe, riprodhueshm\u00ebri dhe transportueshm\u00ebri.\n
\u00cbsht\u00eb shtuar sintaksa p\u00ebr t\u00eb krijuar annotime t\u00eb personalizuara, duke lejuar bashkimin e informacionit shtes\u00eb me kodin WebAssembly. M\u00eb par\u00eb, mb\u00ebshtetje p\u00ebr seksione t\u00eb personalizuara, q\u00eb lejojn\u00eb ruajtjen e informacionit t\u00eb rast\u00ebsish\u00ebm, ekzistonte n\u00eb formatin binar t\u00eb WebAssembly, por mungonte n\u00eb formatin tekstual t\u00eb WebAssembly. Tani ka mund\u00ebsi t\u00eb shtohet ky informacion n\u00eb nj\u00eb form\u00eb t\u00eb lexueshme dhe t\u00eb redaktueshme.\n
N\u00eb API-n\u00eb JavaScript jan\u00eb shtuar funksione t\u00eb nd\u00ebrtuara p\u00ebr pun\u00ebn me strings. M\u00eb par\u00eb, strings e JavaScript mund t\u00eb kaloheshin n\u00eb WebAssembly vet\u00ebm si referenca t\u00eb jashtme, nd\u00ebrsa tani mund t\u00eb referoheni direkt n\u00eb strings dhe t\u00eb manipuloni ato brenda WebAssembly. <\/ul>\n