{"id":477738,"date":"2023-08-09T09:19:35","date_gmt":"2023-08-09T09:19:35","guid":{"rendered":""},"modified":"2023-09-05T11:15:17","modified_gmt":"2023-09-05T11:15:17","slug":"jank","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/jank\/","title":{"rendered":"gi\u1eadt"},"content":{"rendered":"

Jank l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m v\u00e0 web \u0111\u1ec3 m\u00f4 t\u1ea3 v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt, lag ho\u1eb7c ch\u1eadm tr\u1ec5 trong giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI) v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (UX). Khi ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t \u1ee9ng d\u1ee5ng ho\u1eb7c m\u1ed9t trang web, h\u1ecd mong \u0111\u1ee3i kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i m\u01b0\u1ee3t m\u00e0 v\u00e0 li\u1ec1n m\u1ea1ch. Tuy nhi\u00ean, khi Jank x\u1ea3y ra, \u1ee9ng d\u1ee5ng kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng k\u1ef3 v\u1ecdng n\u00e0y, d\u1eabn \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i s\u00e2u v\u00e0o ngu\u1ed3n g\u1ed1c, s\u1ef1 ph\u1ee9c t\u1ea1p, lo\u1ea1i v\u00e0 gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng li\u00ean quan \u0111\u1ebfn Jank c\u0169ng nh\u01b0 m\u1ed1i li\u00ean quan c\u1ee7a n\u00f3 v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy.<\/p>\n

L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a Jank v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Thu\u1eadt ng\u1eef \u201cJank\u201d c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb c\u1ed9ng \u0111\u1ed3ng ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m v\u00e0 \u0111\u01b0\u1ee3c Google ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i. L\u1ea7n \u0111\u1ea7u ti\u00ean nh\u1eafc \u0111\u1ebfn Jank l\u00e0 v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2010 khi vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng tr\u1edf th\u00e0nh m\u1ed1i quan t\u00e2m h\u00e0ng \u0111\u1ea7u. C\u00e1c k\u1ef9 s\u01b0 t\u1ea1i Google nh\u1eadn th\u1ea5y r\u1eb1ng m\u1ed9t s\u1ed1 ho\u1ea1t \u1ea3nh, cu\u1ed9n v\u00e0 chuy\u1ec3n ti\u1ebfp nh\u1ea5t \u0111\u1ecbnh kh\u00f4ng m\u01b0\u1ee3t m\u00e0 tr\u00ean thi\u1ebft b\u1ecb Android c\u1ee7a h\u1ecd, d\u1eabn \u0111\u1ebfn hi\u1ec7u \u1ee9ng gi\u1eadt h\u00ecnh trong qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u00e1c. H\u1ecd \u0111\u1eb7t ra thu\u1eadt ng\u1eef \u201cJank\u201d \u0111\u1ec3 m\u00f4 t\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y v\u00e0 n\u00f3 nhanh ch\u00f3ng thu h\u00fat \u0111\u01b0\u1ee3c s\u1ef1 ch\u00fa \u00fd trong ng\u00e0nh c\u00f4ng ngh\u1ec7.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Jank. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 Jank<\/h2>\n

Jank c\u00f3 th\u1ec3 x\u1ea3y ra do nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m th\u1ef1c h\u00e0nh m\u00e3 h\u00f3a kh\u00f4ng hi\u1ec7u qu\u1ea3, t\u1ed1i \u01b0u h\u00f3a ph\u1ea7n c\u1ee9ng k\u00e9m, c\u00e1c t\u00e1c v\u1ee5 s\u1eed d\u1ee5ng nhi\u1ec1u t\u00e0i nguy\u00ean ho\u1eb7c k\u1ebft h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y. Khi h\u1ec7 th\u1ed1ng g\u1eb7p ph\u1ea3i hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt, n\u00f3 kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c khung h\u00ecnh \u1edf t\u1ed1c \u0111\u1ed9 nh\u1ea5t qu\u00e1n v\u00e0 \u1ed5n \u0111\u1ecbnh, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt ho\u1eb7c gi\u1eadt khi ho\u1ea1t \u1ea3nh ho\u1eb7c cu\u1ed9n.<\/p>\n

Nh\u1eefng ng\u01b0\u1eddi \u0111\u00f3ng g\u00f3p ch\u00ednh cho Jank bao g\u1ed3m:<\/p>\n

    \n
  1. \n

    K\u1ebft xu\u1ea5t giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng<\/strong>: S\u1ef1 ch\u1eadm tr\u1ec5 trong vi\u1ec7c hi\u1ec3n th\u1ecb c\u00e1c ph\u1ea7n t\u1eed giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, th\u01b0\u1eddng do b\u1ed1 c\u1ee5c ph\u1ee9c t\u1ea1p, v\u1ebd nhi\u1ec1u l\u1ea7n ho\u1eb7c thao t\u00e1c hi\u1ec3n th\u1ecb qu\u00e1 m\u1ee9c.<\/p>\n<\/li>\n

  2. \n

    Thu gom r\u00e1c qu\u00e1 m\u1ee9c<\/strong>: Chu k\u1ef3 thu gom r\u00e1c th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1ea1m d\u1eebng qu\u00e1 tr\u00ecnh th\u1ef1c thi \u1ee9ng d\u1ee5ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i.<\/p>\n<\/li>\n

  3. \n

    Ho\u1ea1t \u1ea3nh kh\u00f4ng hi\u1ec7u qu\u1ea3<\/strong>: Ho\u1ea1t \u1ea3nh v\u00e0 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a k\u00e9m c\u00f3 th\u1ec3 l\u00e0m hao t\u1ed1n t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt trong qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u00e1c v\u1edbi giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

  4. \n

    T\u00e1c v\u1ee5 n\u1ec1n<\/strong>: C\u00e1c quy tr\u00ecnh n\u1ec1n chuy\u00ean s\u00e2u c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf vi\u1ec7c hi\u1ec3n th\u1ecb giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng n\u1ec1n tr\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n<\/ol>\n

    C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Jank. Jank ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n

    Jank v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t tri\u1ec7u ch\u1ee9ng c\u1ee7a t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn hi\u1ec7u su\u1ea5t trong ph\u1ea7n m\u1ec1m ho\u1eb7c \u1ee9ng d\u1ee5ng web. Khi m\u1ed9t thi\u1ebft b\u1ecb g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 t\u00e0i nguy\u00ean v\u00e0 s\u1ee9c m\u1ea1nh x\u1eed l\u00fd c\u1ea7n thi\u1ebft \u0111\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0 cho ng\u01b0\u1eddi d\u00f9ng, \u0111i\u1ec1u \u0111\u00f3 s\u1ebd d\u1eabn \u0111\u1ebfn Jank.<\/p>\n

    Ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9 c\u1ee7a Jank c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft nh\u01b0 sau:<\/p>\n

      \n
    1. \n

      T\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng<\/strong>: Ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi \u1ee9ng d\u1ee5ng ho\u1eb7c trang web, b\u1eaft \u0111\u1ea7u m\u1ed9t lo\u1ea1t s\u1ef1 ki\u1ec7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

    2. \n

      \u0110\u01b0\u1eddng d\u1eabn k\u1ebft xu\u1ea5t<\/strong>: \u0110\u01b0\u1eddng d\u1eabn k\u1ebft xu\u1ea5t ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 chu\u1ea9n b\u1ecb khung \u0111\u1ec3 hi\u1ec3n th\u1ecb.<\/p>\n<\/li>\n

    3. \n

      \u0110i\u1ec3m ngh\u1ebdn hi\u1ec7u su\u1ea5t<\/strong>: N\u1ebfu quy tr\u00ecnh k\u1ebft xu\u1ea5t g\u1eb7p ph\u1ea3i t\u1eafc ngh\u1ebdn v\u1ec1 hi\u1ec7u su\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ee9c s\u1eed d\u1ee5ng CPU ho\u1eb7c GPU cao, th\u00ec h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c duy tr\u00ec t\u1ed1c \u0111\u1ed9 khung h\u00ecnh nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n

    4. \n

      Bi\u1ec3u hi\u1ec7n gi\u1eadt<\/strong>: Vi\u1ec7c kh\u00f4ng th\u1ec3 t\u1ea1o khung h\u00ecnh \u1edf t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh s\u1ebd d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng gi\u1eadt ho\u1eb7c tr\u1ec5 r\u00f5 r\u1ec7t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gi\u1eadt.<\/p>\n<\/li>\n<\/ol>\n

      Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Jank<\/h2>\n

      \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 Jank v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, h\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a n\u00f3:<\/p>\n

        \n
      1. \n

        Gi\u1ea3m t\u1ed1c \u0111\u1ed9 khung h\u00ecnh<\/strong>: Hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt th\u01b0\u1eddng l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 khung h\u00ecnh, d\u1eabn \u0111\u1ebfn ho\u1ea1t \u1ea3nh v\u00e0 chuy\u1ec3n ti\u1ebfp b\u1ecb gi\u1eadt.<\/p>\n<\/li>\n

      2. \n

        Th\u1eddi gian khung kh\u00f4ng nh\u1ea5t qu\u00e1n<\/strong>: C\u00e1c khung h\u00ecnh c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 hi\u1ec3n th\u1ecb, d\u1eabn \u0111\u1ebfn kho\u1ea3ng th\u1eddi gian khung h\u00ecnh kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<\/li>\n

      3. \n

        S\u1ef1 th\u1ea5t v\u1ecdng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong>: Jank c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng, l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng ho\u1eb7c trang web.<\/p>\n<\/li>\n

      4. \n

        S\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ec1n t\u1ea3ng<\/strong>: M\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a Jank c\u00f3 th\u1ec3 kh\u00e1c nhau gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb v\u00e0 n\u1ec1n t\u1ea3ng kh\u00e1c nhau, khi\u1ebfn c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n ph\u1ea3i xem x\u00e9t t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t cho c\u00e1c thi\u1ebft b\u1ecb m\u1ee5c ti\u00eau kh\u00e1c nhau.<\/p>\n<\/li>\n<\/ol>\n

        Vi\u1ebft nh\u1eefng lo\u1ea1i Jank t\u1ed3n t\u1ea1i. S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft.<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
        Lo\u1ea1i gi\u1eadt<\/strong><\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th>\n<\/tr>\n<\/thead>\n
        Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng b\u1ecb gi\u1eadt<\/strong><\/td>\nNguy\u00ean nh\u00e2n l\u00e0 do s\u1ef1 ch\u1eadm tr\u1ec5 trong vi\u1ec7c t\u00ednh to\u00e1n b\u1ed1 c\u1ee5c v\u00e0 hi\u1ec3n th\u1ecb giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n
        Cu\u1ed9n gi\u1eadt<\/strong><\/td>\nX\u1ea3y ra trong qu\u00e1 tr\u00ecnh cu\u1ed9n khi khung h\u00ecnh kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb k\u1ecbp th\u1eddi.<\/td>\n<\/tr>\n
        \u0110\u1ea7u v\u00e0o b\u1ecb gi\u1eadt<\/strong><\/td>\nS\u1ef1 ch\u1eadm tr\u1ec5 trong vi\u1ec7c x\u1eed l\u00fd th\u00f4ng tin \u0111\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 ph\u1ea3n h\u1ed3i c\u00e1c h\u00e0nh \u0111\u1ed9ng.<\/td>\n<\/tr>\n
        Ho\u1ea1t h\u00ecnh Jank<\/strong><\/td>\nK\u1ebft qu\u1ea3 t\u1eeb ho\u1ea1t \u1ea3nh v\u00e0 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a k\u00e9m.<\/td>\n<\/tr>\n
        GPU b\u1ecb gi\u1eadt<\/strong><\/td>\nLi\u00ean quan \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u01a1n v\u1ecb x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda.<\/td>\n<\/tr>\n
        CPU b\u1ecb gi\u1eadt<\/strong><\/td>\nNguy\u00ean nh\u00e2n l\u00e0 do m\u1ee9c s\u1eed d\u1ee5ng CPU cao, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n
        B\u1ed9 nh\u1edb b\u1ecb gi\u1eadt<\/strong><\/td>\nLi\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb qu\u00e1 m\u1ee9c v\u00e0 thu gom r\u00e1c.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        C\u00e1ch s\u1eed d\u1ee5ng Jank, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n

        M\u1eb7c d\u00f9 Jank ch\u1ee7 y\u1ebfu l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng kh\u00f4ng mong mu\u1ed1n, nh\u01b0ng vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n nh\u1eb1m n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 Jank v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan:<\/p>\n

          \n
        1. \n

          H\u1ed3 s\u01a1 hi\u1ec7u su\u1ea5t<\/strong>: Nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 l\u1eadp h\u1ed3 s\u01a1 hi\u1ec7u su\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u1ea7n t\u1ed1i \u01b0u h\u00f3a.<\/p>\n<\/li>\n

        2. \n

          Ho\u1ea1t \u1ea3nh \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a<\/strong>: Vi\u1ec7c tri\u1ec3n khai c\u00e1c ho\u1ea1t \u1ea3nh nh\u1eb9 v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m c\u0103ng th\u1eb3ng cho GPU v\u00e0 CPU.<\/p>\n<\/li>\n

        3. \n

          T\u1ea3i ch\u1eadm<\/strong>: S\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt t\u1ea3i t\u1eebng ph\u1ea7n \u0111\u1ec3 ch\u1ec9 t\u1ea3i t\u00e0i nguy\u00ean khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u, gi\u1ea3m th\u1eddi gian t\u1ea3i trang ban \u0111\u1ea7u.<\/p>\n<\/li>\n

        4. \n

          \u0110i\u1ec1u ti\u1ebft t\u00e1c v\u1ee5 n\u1ec1n<\/strong>: Gi\u1edbi h\u1ea1n c\u00e1c t\u00e1c v\u1ee5 ch\u1ea1y n\u1ec1n \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

        5. \n

          T\u0103ng t\u1ed1c ph\u1ea7n c\u1ee9ng<\/strong>: T\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c ph\u1ea7n c\u1ee9ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed3 h\u1ecda v\u00e0 gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt li\u00ean quan \u0111\u1ebfn GPU.<\/p>\n<\/li>\n<\/ol>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 c\u00e1c so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch.<\/h2>\n\n\n\n\n\n\n\n\n
          \u0110\u1eb7c tr\u01b0ng<\/strong><\/th>\ngi\u1eadt<\/strong><\/th>\nL\u1ed7i<\/strong><\/th>\n\u0110\u1ed9 tr\u1ec5<\/strong><\/th>\n<\/tr>\n<\/thead>\n
          S\u1ef1 \u0111\u1ecbnh ngh\u0129a<\/strong><\/td>\nS\u1ef1 c\u1ed1 v\u1ec1 hi\u1ec7u su\u1ea5t g\u00e2y ra t\u00ecnh tr\u1ea1ng gi\u1eadt h\u00ecnh v\u00e0 ch\u1eadm tr\u1ec5 trong giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/td>\nS\u1ef1 ch\u1eadm tr\u1ec5 \u0111\u00e1ng ch\u00fa \u00fd trong ph\u1ea3n h\u1ed3i ho\u1eb7c th\u1ef1c thi.<\/td>\nTh\u1eddi gian tr\u1ec5 t\u1eeb khi b\u1eaft \u0111\u1ea7u \u0111\u1ebfn khi nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i.<\/td>\n<\/tr>\n
          G\u00e2y ra<\/strong><\/td>\nN\u00fat th\u1eaft hi\u1ec7u su\u1ea5t trong quy tr\u00ecnh k\u1ebft xu\u1ea5t.<\/td>\nQu\u00e1 t\u1ea3i t\u00e0i nguy\u00ean ho\u1eb7c x\u1eed l\u00fd ch\u1eadm.<\/td>\n\u0110\u1ed9 tr\u1ec5 m\u1ea1ng ho\u1eb7c x\u1eed l\u00fd.<\/td>\n<\/tr>\n
          T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/strong><\/td>\nL\u00e0m gi\u1ea3m tr\u1ea3i nghi\u1ec7m v\u00e0 s\u1ef1 h\u00e0i l\u00f2ng t\u1ed5ng th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/td>\nG\u00e2y kh\u00f3 ch\u1ecbu v\u00e0 kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng.<\/td>\nNg\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y s\u1ef1 ch\u1eadm tr\u1ec5 trong t\u01b0\u01a1ng t\u00e1c.<\/td>\n<\/tr>\n
          V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\nH\u00ecnh \u1ea3nh \u0111\u1ed9ng b\u1ecb gi\u1eadt, cu\u1ed9n gi\u1eadt.<\/td>\n\u1ee8ng d\u1ee5ng b\u1ecb treo, t\u1ea3i n\u1ed9i dung ch\u1eadm.<\/td>\n\u0110\u1ed9 tr\u1ec5 m\u1ea1ng, \u0111\u1ed9 tr\u1ec5 ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Jank<\/h2>\n

          T\u01b0\u01a1ng lai c\u1ee7a vi\u1ec7c gi\u1ea3m thi\u1ec3u Jank n\u1eb1m \u1edf nh\u1eefng ti\u1ebfn b\u1ed9 li\u00ean t\u1ee5c trong c\u00f4ng ngh\u1ec7 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m. Khi c\u00e1c thi\u1ebft b\u1ecb tr\u1edf n\u00ean m\u1ea1nh m\u1ebd h\u01a1n, t\u1ef7 l\u1ec7 xu\u1ea5t hi\u1ec7n c\u1ee7a Jank d\u1ef1 ki\u1ebfn s\u1ebd gi\u1ea3m \u0111i. H\u01a1n n\u1eefa, s\u1ef1 ph\u00e1t tri\u1ec3n trong c\u00f4ng c\u1ee5 k\u1ebft xu\u1ea5t, t\u1ed1i \u01b0u h\u00f3a v\u00e0 khung giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng s\u1ebd h\u1ed7 tr\u1ee3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0 h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

          Nh\u1eefng \u0111\u1ed5i m\u1edbi c\u1ea7n ch\u00fa \u00fd bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            C\u1ea3i ti\u1ebfn ph\u1ea7n c\u1ee9ng<\/strong>: B\u1ed9 x\u1eed l\u00fd nhanh h\u01a1n, GPU c\u1ea3i ti\u1ebfn v\u00e0 RAM t\u0103ng l\u00ean s\u1ebd t\u0103ng hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a thi\u1ebft b\u1ecb, gi\u1ea3m kh\u1ea3 n\u0103ng x\u1ea3y ra Jank.<\/p>\n<\/li>\n

          2. \n

            T\u1ed1i \u01b0u h\u00f3a d\u1ef1a tr\u00ean AI<\/strong>: Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh k\u1ebft xu\u1ea5t, d\u1ef1 \u0111o\u00e1n t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh linh ho\u1ea1t vi\u1ec7c ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean.<\/p>\n<\/li>\n

          3. \n

            WebAssembly<\/strong>: C\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ch\u1ea1y m\u00e3 hi\u1ec7u su\u1ea5t cao tr\u00ean tr\u00ecnh duy\u1ec7t web, c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 gi\u1ea3m Jank.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi Jank<\/h2>\n

            C\u00e1c m\u00e1y ch\u1ee7 proxy, gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng Jank. \u0110\u00e2y l\u00e0 c\u00e1ch h\u1ecd li\u00ean k\u1ebft v\u1edbi Jank:<\/p>\n

              \n
            1. \n

              B\u1ed9 nh\u1edb \u0111\u1ec7m<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c truy c\u1eadp th\u01b0\u1eddng xuy\u00ean v\u00e0o b\u1ed9 \u0111\u1ec7m, gi\u1ea3m nhu c\u1ea7u t\u1ea3i xu\u1ed1ng nhi\u1ec1u l\u1ea7n v\u00e0 do \u0111\u00f3 t\u0103ng t\u1ed1c th\u1eddi gian t\u1ea3i \u1ee9ng d\u1ee5ng web.<\/p>\n<\/li>\n

            2. \n

              T\u00edch h\u1ee3p CDN<\/strong>: M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN) do nh\u00e0 cung c\u1ea5p proxy cung c\u1ea5p c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i t\u00e0i nguy\u00ean tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7 v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

            3. \n

              T\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp<\/strong>: C\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 t\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1eb1ng m\u00e1y ch\u1ee7 proxy \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3, gi\u1ea3m thi\u1ec3u r\u1ee7i ro Jank ph\u00eda m\u00e1y ch\u1ee7.<\/p>\n<\/li>\n<\/ol>\n

              Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

              \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Jank v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

                \n
              1. T\u00e0i li\u1ec7u d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a Google v\u1ec1 Jank<\/a><\/li>\n
              2. M\u1ea1ng l\u01b0\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n Mozilla - C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t<\/a><\/li>\n
              3. WebPageTest \u2013 Ki\u1ec3m tra hi\u1ec7u su\u1ea5t trang web<\/a><\/li>\n<\/ol>\n

                T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec3u Jank v\u00e0 nguy\u00ean nh\u00e2n s\u00e2u xa c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ed1i \u01b0u cho ng\u01b0\u1eddi d\u00f9ng trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea3i li\u00ean t\u1ee5c c\u1ed1 g\u1eafng t\u1ed1i \u01b0u h\u00f3a \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ecd v\u00e0 c\u00e1c m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng \u0111\u1ed3ng minh c\u00f3 gi\u00e1 tr\u1ecb trong m\u1ee5c ti\u00eau n\u00e0y, n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn Jank. Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, Jank c\u00f3 th\u1ec3 s\u1ebd tr\u1edf n\u00ean \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 th\u00fa v\u1ecb h\u01a1n cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi.<\/p>","protected":false},"featured_media":477739,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477738","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Jank: Understanding the Performance Bottleneck<\/mark>","faq_items":[{"question":"What is Jank and how does it affect user experience?<\/strong>","answer":"

                Jank refers to a performance issue in software and web applications that leads to visible stutters, lags, and delays in the user interface (UI). It negatively impacts user experience by causing choppy animations, unresponsive interactions, and frustration among users.<\/p>"},{"question":"Where did the term \"Jank\" originate, and when was it first mentioned?<\/strong>","answer":"

                The term \"Jank\" was coined by engineers at Google in the early 2010s. It gained popularity as they noticed certain animations and transitions were not smooth on Android devices, leading to the first mention of Jank as a performance concern.<\/p>"},{"question":"What are the main contributors to Jank in an application or website?<\/strong>","answer":"

                Jank can be caused by various factors, including inefficient coding practices, poor hardware optimization, excessive garbage collection, background tasks, and inefficient animations.<\/p>"},{"question":"How does Jank work internally, and what happens during Jank manifestation?<\/strong>","answer":"

                Jank occurs as a result of performance bottlenecks in the rendering pipeline of the application. When a system struggles to keep up with resource demands, it fails to render frames at a steady rate, leading to visible lags and jitters during interactions.<\/p>"},{"question":"Are there different types of Jank, and what are they?<\/strong>","answer":"

                Yes, there are different types of Jank, including UI Jank, Scrolling Jank, Input Jank, Animation Jank, GPU Jank, CPU Jank, and Memory Jank. Each type is associated with specific performance issues affecting the user experience.<\/p>"},{"question":"How can developers address Jank and improve performance?<\/strong>","answer":"

                Developers can tackle Jank by employing performance profiling tools, optimizing animations, implementing lazy loading techniques, and throttling background tasks. Hardware acceleration and AI-based optimization also hold promise in mitigating Jank.<\/p>"},{"question":"How can proxy servers like OneProxy help with Jank-related issues?<\/strong>","answer":"

                Proxy servers can aid in mitigating Jank by caching frequently accessed resources, integrating with Content Delivery Networks (CDNs) for reduced latency, and optimizing traffic and load balancing to ensure smooth UI rendering.<\/p>"},{"question":"What are the key features of Jank, and how does it compare to terms like Lag and Latency?<\/strong>","answer":"

                The key features of Jank include frame rate drops, inconsistent frame timing, user frustration, and platform dependence. While Jank pertains specifically to UI performance, Lag refers to delays in response or execution, and Latency represents time delays in initiating and receiving a response.<\/p>"},{"question":"How does the future look in terms of Jank mitigation and related technologies?<\/strong>","answer":"

                The future of Jank mitigation lies in advancements in hardware and software technologies. As devices become more powerful and rendering engines improve, the occurrence of Jank is expected to decrease. WebAssembly and AI-based optimization are also promising technologies for enhanced performance.<\/p>"},{"question":"What resources can I explore to learn more about Jank and performance optimization?<\/strong>","answer":"

                To dive deeper into Jank and performance optimization, you can explore the following resources:<\/p>