В Firefox sengoli se ntlafalitsoeng sa JIT, Codenamed WarpBuilder. Ho nolofalletsa JIT e ncha, khetho ea "javascript.options.warp" e fanoe mabapi le:config.
Hoa hlokomeloa hore WarpBuilder ke mohato oa pele feela oa ho kenyelletsa lintlafatso tse ncha ho sebatli, tse reretsoeng ho kengoa tšebetsong selemong se tlang.
JIT e ncha e ntlafatsa ts'ebetso ea enjene ea SpiderMonkey JavaScript ka ho fokotsa tlhahisoleseling ea mofuta oa kahare e lateloang ka har'a enjene le ka ho sebelisa mokhoa oa Intermediate Code Caching (CacheIR) nakong e fetileng. ho mofetoleli oa "baseline" bytecode, e leng sebaka se pakeng tsa mofetoleli oa kamehla le moqapi oa pele ho JIT. Liphetoho tsena li entse hore ho khonehe ho nolofatsa meralo ea JIT haholo, ho eketsa karabelo, ho fokotsa nako ea ho kenya leqephe le ho fokotsa tšebeliso ea mohopolo.
hore JIT e ncha e rarolle mathata a mangata a JIT IonBuilder ea khale, joalo ka:
- Ho rarahana ha ts'ebetsong le mathata a ts'ireletso a ka bang teng;
- Tlatsetso e eketsehileng bakeng sa Baseline/C++ khoutu;
- Boikhethelo bo feteletseng bo lebisang ho puseletso e sa hlokahaleng;
- Ho hlahisa khoutu e mahareng (Bohareng ba IR) ka khoele e kholo (ho WarpBuilder, kopano e kholo ea khoutu e bohareng e behoa ka khoele e arohaneng);
- Tšebeliso e eketsehileng ea memori bakeng sa ho boloka data ka mefuta le lihlopha tsa lintho (ObjectGroups).
Ka karolelano, litekong tse hlahlobang ts'ebetso ho latela metrics ea pono, lebelo la 5-15% le bonoa ha u sebelisa WarpBuilder. Sekhahla sa ho phethela tlhahlobo ea lebelo la lebelo se eketsehile ka 10%. Liteko libakeng tsa 'nete li bonts'itse phokotso ea nako ea ho kenya Google Docs ka , index ha u bula karolo ea Android ho Reddit e ntlafalitsoeng ke , pdfpaint e ile ea qala ho sebetsa ka potlako . Tšebeliso ea memori tekong e fokotsehile ka 8%. lipalo-palo ho lisebelisoa tsa nts'etsopele (devtools perf) le tsona li bontšitse phokotso ea 8% ea tšebeliso ea mohopolo.
Source: opennet.ru