{"id":25486,"date":"2021-07-05T18:38:30","date_gmt":"2021-07-05T11:38:30","guid":{"rendered":"https:\/\/wiki.tino.org\/staging\/?p=25486"},"modified":"2025-06-11T14:12:49","modified_gmt":"2025-06-11T07:12:49","slug":"round-robin-la-gi","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/round-robin-la-gi\/","title":{"rendered":"Round Robin l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 Round Robin"},"content":{"rendered":"\n

M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 ph\u00e2n ph\u1ed1i c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u00e1y kh\u00e1ch tr\u00ean m\u1ed9t nh\u00f3m m\u00e1y ch\u1ee7, c\u00e1c y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng l\u1ea7n l\u01b0\u1ee3t chuy\u1ec3n ti\u1ebfp \u0111\u1ebfn t\u1eebng m\u00e1y ch\u1ee7, \u0111\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Round Robin.<\/strong><\/p>\n\n\n\n

Round Robin l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

Round Robin l\u00e0 m\u1ed9t gi\u1ea3i thu\u1eadt \u0111\u1ecbnh th\u1eddi CPU. Trong m\u1ed9t chu k\u1ef3, m\u1ed7i ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c g\u00e1n m\u1ed9t th\u1eddi gian gi\u1eef CPU nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

Round Robin xu\u1ea5t ph\u00e1t t\u1eeb nguy\u00ean t\u1eafc v\u00f2ng tr\u00f2n, l\u1ea7n l\u01b0\u1ee3t m\u1ed7i ng\u01b0\u1eddi s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n b\u1eb1ng nhau c\u1ee7a m\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3. Gi\u1ea3i thu\u1eadt Round Robin cung c\u1ea5p kh\u1ea3 n\u0103ng th\u1ef1c thi c\u00e1c quy tr\u00ecnh mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n

\"round-robin-la-gi\"<\/figure><\/div>\n\n\n\n

Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a gi\u1ea3i thu\u1eadt Round Robin<\/strong><\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i thu\u1eadt \u01b0u ti\u00ean, n\u1eb1m trong danh m\u1ee5c gi\u1ea3i thu\u1eadt m\u1edf \u0111\u1ea7u. Round Robin \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i thu\u1eadt \u0111\u01a1n gi\u1ea3n nh\u1ea5t, t\u1ed3n t\u1ea1i l\u00e2u \u0111\u1eddi nh\u1ea5t v\u00e0 ti\u00eau th\u1ee9c t\u00ednh to\u00e1n c\u00f4ng b\u1eb1ng nh\u1ea5t. Trong gi\u1ea3i thu\u1eadt Round Robin, kho\u1ea3ng th\u1eddi gian ph\u1ea3i \u0111\u1eb7t \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u g\u00e1n cho m\u1ed9t t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd. Tuy nhi\u00ean c\u00f3 th\u1ec3 kh\u00e1c nhau v\u1ec1 c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/p>\n\n\n\n

Gi\u1ea3i thu\u1eadt \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n theo m\u00f4 h\u00ecnh Hybrid v\u00e0 \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111\u1ed3ng h\u1ed3 trong t\u1ef1 nhi\u00ean. Round Robin c\u1ea7n s\u1eed d\u1ee5ng th\u1eddi gian th\u1ef1c, c\u00e1c kho\u1ea3n h\u1ed3i s\u1ebd \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n trong m\u1ed9t kho\u1ea3n th\u1eddi gian c\u1ee5 th\u1ec3. H\u1ea7u h\u1ebft c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh truy\u1ec1n th\u1ed1ng \u0111i\u1ec1u s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u1eadp l\u1ecbch n\u00e0y.<\/p>\n\n\n\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gi\u1ea3i thu\u1eadt Round Robin<\/strong><\/h3>\n\n\n\n
  • Th\u1eddi gian ho\u00e0n th\u00e0nh:<\/strong> L\u00e0 th\u1eddi gian m\u00e0 b\u1ea5t k\u1ef3 qu\u00e1 tr\u00ecnh n\u00e0o c\u0169ng c\u1ea7n ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c th\u1ef1c hi\u1ec7n.<\/li>
  • Th\u1eddi gian quay v\u00f2ng:<\/strong> D\u00f9ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa th\u1eddi gian ho\u00e0n th\u00e0nh v\u00e0 th\u1eddi gian \u0111\u1ebfn. S\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c: [Th\u1eddi gian quay v\u00f2ng = Th\u1eddi gian ho\u00e0n th\u00e0nh \u2013 Th\u1eddi gian \u0111\u1ebfn].<\/li>
  • Th\u1eddi gian ch\u1edd: <\/strong>D\u00f9ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa th\u1eddi gian quay v\u00f2ng v\u00e0 th\u1eddi gian li\u00ean t\u1ee5c. S\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c: [Th\u1eddi gian ch\u1edd = Th\u1eddi gian quay v\u00f2ng \u2013 Th\u1eddi gian n\u1ed5].<\/li><\/ul>\n\n\n\n
    \"round-robin-la-gi\"<\/figure><\/div>\n\n\n\n

    Gi\u1ea3i thu\u1eadt Round Robin<\/strong><\/h3>\n\n\n\n
    • \u0110\u1ea7u ti\u00ean c\u00f3 m\u1ed9t h\u00e0ng \u0111\u1ee3i trong \u0111\u00f3 c\u00e1c quy tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 \u0111\u1ebfn tr\u01b0\u1edbc x\u1eed l\u00fd tr\u01b0\u1edbc.<\/li>
    • M\u1ed7i gi\u00e1 tr\u1ecb l\u01b0\u1ee3ng t\u1eed \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed7i qu\u00e1 tr\u00ecnh.<\/li>
    • Qu\u00e1 tr\u00ecnh \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho \u0111\u1ebfn khi k\u1ebft th\u00fac gi\u00e1 tr\u1ecb l\u01b0\u1ee3ng t\u1eed. Sau \u0111\u00f3, m\u1ed7i ng\u1eaft \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c l\u01b0u.<\/li>
    • CPU chuy\u1ec3n sang quy tr\u00ecnh ti\u1ebfp theo, ph\u01b0\u01a1ng ph\u00e1p c\u0169ng t\u01b0\u1ee3ng t\u1ef1 v\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo.<\/li>
    • C\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i cho \u0111\u1ebfn khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh.<\/li><\/ul>\n\n\n\n

      \u01afu – nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a gi\u1ea3i thu\u1eadt Round Robin<\/strong><\/h3>\n\n\n\n

      \u01afu \u0111i\u1ec3m<\/strong><\/h4>\n\n\n\n
      • V\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a Round Robin gi\u00fap c\u00e1c c\u00f4ng vi\u1ec7c ph\u00e2n b\u1ed5 cho CPU \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 h\u1ee3p l\u00fd.<\/li>
      • T\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 \u01b0u ti\u00ean n\u00e0o.<\/li>
      • Gi\u1ea3i thu\u1eadt mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t cho th\u1eddi gian ph\u1ea3n h\u1ed3i trung b\u00ecnh<\/li>
      • Trong gi\u1ea3i thu\u1eadt kh\u00f4ng g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 thi\u1ebfu h\u1ee5t hay hi\u1ec7u \u1ee9ng b\u1ea3o v\u1ec7.<\/li>
      • Round Robin kh\u00f4ng mang t\u00ednh chu k\u1ef3.<\/li>
      • Th\u00eam c\u00e1c quy tr\u00ecnh m\u1edbi t\u1ea1o v\u00e0o cu\u1ed1i h\u00e0ng \u0111\u1ee3i.<\/li>
      • Khi th\u1ef1c hi\u1ec7n, m\u1ed9t l\u01b0\u1ee3ng t\u1eed th\u1eddi gian c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 cho c\u00e1c c\u00f4ng vi\u1ec7c kh\u00e1c nhau.<\/li>
      • M\u1ed7i qu\u00e1 tr\u00ecnh s\u1ebd c\u00f3 c\u01a1 h\u1ed9i l\u00ean l\u1ecbch l\u1ea1i sau m\u1ed9t th\u1eddi gian l\u01b0\u1ee3ng t\u1eed c\u1ee5 th\u1ec3.<\/li>
      • M\u1ed9t b\u1ed9 l\u1eadp l\u1ecbch v\u00f2ng tr\u00f2n th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u00ednh n\u0103ng chia s\u1ebb th\u1eddi gian. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 cung c\u1ea5p cho m\u1ed7i c\u00f4ng vi\u1ec7c m\u1ed9t khe th\u1eddi gian ho\u1eb7c l\u01b0\u1ee3ng t\u1eed.<\/li><\/ul>\n\n\n\n
        \"round-robin-la-gi\"<\/figure><\/div>\n\n\n\n

        Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h4>\n\n\n\n
        • N\u1ebfu th\u1eddi gian ng\u1eaft c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh th\u1ea5p, \u0111\u1ea7u ra c\u1ee7a b\u1ed9 x\u1eed l\u00fd s\u1ebd b\u1ecb gi\u1ea3m.<\/li>
        • Hi\u1ec7u su\u1ea5t b\u1ecb ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o l\u01b0\u1ee3ng t\u1eed th\u1eddi gian.<\/li>
        • Kh\u00f4ng \u01b0u ti\u00ean cho nh\u1eefng vi\u1ec7c quan tr\u1ecdng khi l\u1eadp l\u1ecbch v\u00f2ng tr\u00f2n.<\/li>
        • Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y m\u1ea5t nhi\u1ec1u th\u1eddi gian cho vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i ng\u1eef c\u1ea3nh.<\/li>
        • L\u01b0\u1ee3ng t\u1eed th\u1eddi gian th\u1ea5p n\u00ean d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i ng\u1eef c\u1ea3nh trong h\u1ec7 th\u1ed1ng cao h\u01a1n.<\/li>
        • Tr\u1edf ng\u1ea1i trong vi\u1ec7c t\u00ecm m\u1ed9t l\u01b0\u1ee3ng t\u1eed th\u1eddi gian ch\u00ednh x\u00e1c.<\/li>
        • Kh\u00f4ng \u0111\u1eb7t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean.<\/li>
        • Kh\u1ea3 n\u0103ng hi\u1ec3u suy gi\u1ea3m.<\/li><\/ul>\n\n\n\n

          M\u1ed9t s\u1ed1 \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd v\u1ec1 gi\u1ea3i thu\u1eadt Round Robin<\/strong><\/h2>\n\n\n\n

          T\u0103ng gi\u00e1 tr\u1ecb c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian<\/strong><\/h3>\n\n\n\n

          V\u1edbi gi\u00e1 tr\u1ecb ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian, khi\u1ebfn cho s\u1ed1 l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed5i ng\u1eef c\u1ea3nh gi\u1ea3m, th\u1eddi gian ph\u1ea3n h\u1ed3i s\u1ebd t\u0103ng l\u00ean v\u00e0 t\u1ef7 l\u1ec7 thi\u1ebfu h\u1ee5t s\u1ebd t\u0103ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. \u0110\u1ed1i v\u1edbi gi\u00e1 tr\u1ecb cao h\u01a1n c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian, Round Robin tr\u1edf n\u00ean t\u1ed1t h\u01a1n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed5i ng\u1eef c\u1ea3nh.<\/p>\n\n\n\n

          Gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian <\/strong><\/h3>\n\n\n\n

          V\u1edbi gi\u00e1 tr\u1ecb gi\u1ea3m d\u1ea7n c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian, khi\u1ebfn cho s\u1ed1 l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed5i ng\u1eef c\u1ea3nh t\u0103ng, th\u1eddi gian ph\u1ea3n h\u1ed3i s\u1ebd gi\u1ea3m v\u00e0 t\u1ef7 l\u1ec7 thi\u1ebfu h\u1ee5t s\u1ebd gi\u1ea3m trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. \u0110\u1ed1i v\u1edbi gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian, Round Robin tr\u1edf n\u00ean t\u1ed1t h\u01a1n v\u1ec1 th\u1eddi gian ph\u1ea3n h\u1ed3i.<\/p>\n\n\n\n

          Hi\u1ec7u su\u1ea5t c\u1ee7a Round Robin<\/strong><\/h3>\n\n\n\n

          Hi\u1ec7u su\u1ea5t c\u1ee7a l\u1eadp l\u1ecbch Round Robin ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o gi\u00e1 tr\u1ecb c\u1ee7a l\u01b0\u1ee3ng t\u1eed th\u1eddi gian. Gi\u00e1 tr\u1ecb l\u01b0\u1ee3ng t\u1eed th\u1eddi gian ph\u1ea3i c\u00e2n ch\u1ec9nh \u0111\u1ec3 kh\u00f4ng qu\u00e1 l\u1edbn v\u00e0 c\u0169ng kh\u00f4ng qu\u00e1 nh\u1ecf.<\/p>\n\n\n\n

          L\u1eadp l\u1ecbch FCFS<\/strong><\/h3>\n\n\n\n

          N\u1ebfu gi\u00e1 tr\u1ecb l\u01b0\u1ee3ng t\u1eed th\u1eddi gian \u0111ang t\u0103ng l\u00ean th\u00ec Round Robin c\u00f3 xu h\u01b0\u1edbng tr\u1edf th\u00e0nh l\u1eadp l\u1ecbch FCFS.<\/p>\n\n\n\n

          \"round-robin-la-gi\"<\/figure><\/div>\n\n\n\n

          Round Robin \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n

          Round Robin \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t gi\u1ea3i thu\u1eadt c\u01a1 b\u1ea3n, s\u1eed d\u1ee5ng kh\u00e1 \u0111\u01a1n gi\u1ea3n, \u0111\u01b0\u1ee3c ch\u1ee9ng minh v\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

          Khi so s\u00e1nh v\u1edbi m\u1ed9t gi\u1ea3i thu\u1eadt tham lam (Greedy Algorithm), c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c quy tr\u00ecnh c\u00f3 th\u1ec3 kh\u00f4ng bao gi\u1edd ho\u00e0n th\u00e0nh v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n l\u1eadp t\u1ee9c. V\u1ec1 tr\u01b0\u1eddng h\u1ee3p Round Robin, m\u1eb7c d\u00f9 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u00f3 th\u1ec3 k\u00e9m nh\u01b0ng lu\u00f4n \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 \u0111i\u1ec1u ho\u00e0n th\u00e0nh<\/p>\n\n\n\n

          \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn quan tr\u1ecdng v\u00ec n\u00f3 cho th\u1ea5y c\u00e1c gi\u1ea3i thu\u1eadt c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 th\u1ebf n\u00e0o. \u00c1p d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y trong nh\u1eefng l\u0129nh v\u1ef1c kh\u00e1c \u0111\u1ec3 hi\u1ec3u bi\u1ebft th\u00eam nh\u1eefng kh\u00e1i ni\u1ec7m m\u1edbi.<\/p>\n\n\n\n

          Round Robin l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u1ec3 \u0111i\u1ec1u ph\u1ed1i ho\u1ea1t \u0111\u1ed9ng ti\u1ebfn tr\u00ecnh. Round Robin n\u1ed5i tr\u1ed9i \u1edf \u0111i\u1ec3m l\u00e0 t\u1ea1o ra s\u1ef1 c\u00f4ng b\u1eb1ng cho c\u00e1c ti\u1ebfn tr\u00ecnh khi ch\u1ea1y. Nh\u01b0ng c\u0169ng c\u00f3 m\u1eb7t h\u1ea1n ch\u1ebf v\u00ec ph\u1ee5 thu\u1ed9c th\u1eddi gian xoay v\u00f2ng c\u1ee7a c\u00e1c ti\u1ebfn tr\u00ecnh.<\/p>\n\n\n\n

          N\u1ebfu nghi\u00ean c\u1ee9u v\u00e0 c\u00f3 s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1 Round Robin, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ebd bi\u1ebft c\u00e1ch c\u1ea3i ti\u1ebfn v\u00e0 ph\u00e1t tri\u1ec3n n\u00f3 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean h\u1eefu \u00edch.<\/p>\n\n\n\n

          M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Round Robin<\/strong><\/h2>\n\n\n\t\t\n\t\t\t\t

          Burst Time l\u00e0 g\u00ec?<\/h2>\t\t\t\t
          \n\t\t\t\t\t\t
          \n\t\t\t\t\n\n

          \u0110\u00e2y l\u00e0 th\u1eddi gian c\u1ea7n thi\u1ebft c\u1ee7a CPU \u0111\u1ec3 ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n c\u1ee7a n\u00f3.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t

          Th\u1eddi gian ch\u1edd l\u00e0 g\u00ec?<\/h2>\t\t\t\t
          \n\t\t\t\t\t\t
          \n\t\t\t\t\n\n

          T\u1ed5ng th\u1eddi gian m\u00e0 m\u1ed9t quy tr\u00ecnh d\u00e0nh cho h\u00e0ng \u0111\u1ee3i s\u1eb5n.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t

          Th\u1eddi gian quay v\u00f2ng l\u00e0 g\u00ec?<\/h2>\t\t\t\t
          \n\t\t\t\t\t\t
          \n\t\t\t\t\n\n

          Kho\u1ea3ng th\u1eddi gian gi\u1eefa th\u1eddi \u0111i\u1ec3m g\u1eedi quy tr\u00ecnh \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m ho\u00e0n th\u00e0nh<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t

          Th\u1eddi gian l\u01b0\u1ee3ng t\u1eed l\u00e0 g\u00ec?<\/h2>\t\t\t\t
          \n\t\t\t\t\t\t
          \n\t\t\t\t\n\n

          L\u00e0 l\u01b0\u1ee3ng th\u1eddi gian CPU \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 th\u1ef1c thi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1eddi gian l\u01b0\u1ee3ng t\u1eed \u0111\u1ed9c l\u1eadp v\u1edbi th\u1eddi gian b\u00f9ng n\u1ed5 th\u1ef1c t\u1ebf, m\u1ed9t qu\u00e1 tr\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch trong c\u00e1c gi\u00e1 tr\u1ecb ph\u1ea7n l\u01b0\u1ee3ng t\u1eed ho\u1eb7c c\u00f3 th\u1ec3 theo kh\u1ed1i l\u01b0\u1ee3ng t\u1eed.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\n