. "A unified reservation station, also known as unified scheduler, is a decentralized feature of the microarchitecture of a CPU that allows for register renaming, and is used by the Tomasulo algorithm for dynamic instruction scheduling. Reservation stations permit the CPU to fetch and re-use a data value as soon as it has been computed, rather than waiting for it to be stored in a register and re-read. When instructions are issued, they can designate the reservation station from which they want their input to read. When multiple instructions need to write to the same register, all can proceed and only the (logically) last one need actually be written.It checks if the operands are available (RAW) and if execution unit is free (Structural hazard) before starting execution. Instructions are stored with available parameters, and executed when ready. Results are identified by the unit that will execute the corresponding instruction.Implicitly register renaming solves WAR and WAW hazards. Since this is a fully associative structure, it has a very high cost in comparators (need to compare all results returned from processing units with all stored addresses). In Tomasulo's algorithm, instructions are issued in sequence to Reservation Stations which buffer the instruction as well as the operands of the instruction. If the operand is not available, the Reservation Station listens on a Common Data Bus for the operand to become available. When the operand becomes available, the Reservation Station buffers it, and the execution of the instruction can begin. Functional Units (such as an adder or a multiplier), each have their own corresponding Reservation Stations. The output of the Functional Unit connects to the Common Data Bus, where Reservation Stations are listening for the operands they need."@en . . . "Reservation station"@it . "\u4FDD\u7559\u7AD9\u662F\u7528\u4E8E\u8BA1\u7B97\u673A\u7684CPU\u7684\u5BC4\u5B58\u5668\u91CD\u547D\u540D\u7684\u4E00\u79CD\u90E8\u4EF6\u3002 \u5F53\u7A0B\u5E8F\u7684\u6307\u4EE4\u88AB\u53D1\u5C04\uFF08issued\uFF09\uFF0C\u6307\u5B9A\u4FDD\u7559\u7AD9\u4F5C\u4E3A\u6307\u4EE4\u7684\u6E90\u64CD\u4F5C\u6570\u7684\u5B58\u50A8\u4F4D\u7F6E\u3002\u4FDD\u7559\u7AD9\u5141\u8BB8CPU\u53D6\u5F97\u4E0E\u91CD\u7528\u521A\u521A\u8BA1\u7B97\u51FA\u7684\u7ED3\u679C\uFF0C\u800C\u4E0D\u5FC5\u7B49\u5F85\u7ED3\u679C\u88AB\u5199\u5165\u5BC4\u5B58\u5668\u518D\u91CD\u65B0\u8BFB\u51FA\u6765\u4F5C\u4E3A\u65B0\u7684\u6307\u4EE4\u7684\u6E90\u64CD\u4F5C\u6570\u3002 \u5F53\u591A\u6761\u6307\u4EE4\u8FDE\u7EED\u5199\u5165\u540C\u4E00\u4E2A\u5BC4\u5B58\u5668\uFF0C\u8FD9\u4E9B\u6307\u4EE4\u90FD\u53EF\u4EE5\u6267\u884C\u4F46\u53EA\u6709\uFF08\u903B\u8F91\u4E0A\uFF09\u6700\u540E\u4E00\u6761\u6307\u4EE4\u5B9E\u9645\u5199\u5165\u3002\u4FDD\u7559\u7AD9\u68C0\u67E5\u662F\u5426\u6709\u5148\u5199\u540E\u8BFB\u7684\u6570\u636E\u76F8\u5173\uFF0C\u662F\u5426\u6709\u7A7A\u95F2\u7684\u6267\u884C\u5355\u5143\u3002 \u6307\u4EE4\u7684\u64CD\u4F5C\u6570\u90FD\u5C31\u7EEA\u540E\uFF0C\u5C31\u53EF\u4EE5\u6295\u5165\u6267\u884C\u3002\u6267\u884C\u7ED3\u679C\u88AB\u5404\u4E2A\u6267\u884C\u5355\u5143\u7684\u4FDD\u7559\u7AD9\u8FA8\u8BC6\uFF0C\u662F\u5426\u5339\u914D\u54EA\u4E9B\u672A\u5C31\u7EEA\u7684\u6307\u4EE4\u6E90\u4F5C\u6570\u3002"@zh . . . . . . . . "Le Reservation Station sono degli elementi di stato presenti in molti microprocessori moderni abbinati alle varie unit\u00E0 funzionali. Forniscono meccanismi di rinominazione dei registri implementando l'algoritmo di Tomasulo per l'esecuzione fuori ordine delle istruzioni. Le reservation station facilitano l'esecuzione di istruzioni in parallelo tenendo traccia di quali istruzioni sono in attesa di un risultato da un'altra istruzione e quali invece sono pronte ad eseguire. Un bus detto \"Common Data Bus\" collega le stazioni e permette ai risultati di giungere alle istruzioni in attesa."@it . "Reservation Station"@ja . "Le Reservation Station sono degli elementi di stato presenti in molti microprocessori moderni abbinati alle varie unit\u00E0 funzionali. Forniscono meccanismi di rinominazione dei registri implementando l'algoritmo di Tomasulo per l'esecuzione fuori ordine delle istruzioni. Le reservation station facilitano l'esecuzione di istruzioni in parallelo tenendo traccia di quali istruzioni sono in attesa di un risultato da un'altra istruzione e quali invece sono pronte ad eseguire. Un bus detto \"Common Data Bus\" collega le stazioni e permette ai risultati di giungere alle istruzioni in attesa. Il naturale complemento delle reservation station \u00E8 il Buffer di riordino (ROB), che raccoglie le istruzioni dopo l'esecuzione e assicura che il completamento avvenga nell'ordine corretto."@it . . . . . . . . . . "Reservation Station \u3068\u306F\u3001CPU\u306E\u30DE\u30A4\u30AF\u30ED\u30A2\u30FC\u30AD\u30C6\u30AF\u30C1\u30E3\u306B\u304A\u3044\u3066\u30EC\u30B8\u30B9\u30BF\u30FB\u30EA\u30CD\u30FC\u30DF\u30F3\u30B0\u3092\u53EF\u80FD\u306B\u3059\u308B\u305F\u3081\u306E\u6A5F\u80FD\u3067\u3001\u52D5\u7684\u306A\u547D\u4EE4\u30B9\u30B1\u30B8\u30E5\u30FC\u30EA\u30F3\u30B0\u3092\u884C\u3046Tomasulo\u306E\u30A2\u30EB\u30B4\u30EA\u30BA\u30E0\u3067\u4F7F\u7528\u3055\u308C\u308B\u3002 Reservation station \u3092\u8A2D\u3051\u308B\u3068\u3001\u6F14\u7B97\u5668\u306B\u3088\u3063\u3066\u8A08\u7B97\u3055\u308C\u305F\u30C7\u30FC\u30BF\u304C\u30EC\u30B8\u30B9\u30BF\u306B\u683C\u7D0D\u3055\u308C\u305F\u5F8C\u518D\u5EA6\u30ED\u30FC\u30C9\u3055\u308C\u308B\u306E\u3092\u5F85\u3064\u3053\u3068\u306A\u304F\u3001\u8A08\u7B97\u3055\u308C\u305F\u76F4\u5F8C\u306B\u30C7\u30FC\u30BF\u3092\u53D6\u308A\u51FA\u3057\u518D\u5229\u7528\u3059\u308B\u3053\u3068\u3092\u53EF\u80FD\u306B\u306A\u308B\u3002\u3053\u308C\u306B\u3088\u3063\u3066\u3001\u8907\u6570\u306E\u547D\u4EE4\u304C\u540C\u3058\u30EC\u30B8\u30B9\u30BF\u306B\u66F8\u304D\u8FBC\u3080\u5FC5\u8981\u304C\u3042\u308B\u5834\u5408\u306B\u3082\u3001\u8AD6\u7406\u7684\u306B\u6700\u5F8C\u306E\u547D\u4EE4\u306E\u307F\u306E\u66F8\u304D\u8FBC\u307F\u3092\u884C\u3044\u4ED6\u306E\u547D\u4EE4\u306F\u5148\u306B\u9032\u3080\u3053\u3068\u304C\u3067\u304D\u308B\u3002"@ja . "2014-12-08"^^ . . . . . . . . . . "\u4FDD\u7559\u7AD9"@zh . . "1119680142"^^ . "\u4FDD\u7559\u7AD9\u662F\u7528\u4E8E\u8BA1\u7B97\u673A\u7684CPU\u7684\u5BC4\u5B58\u5668\u91CD\u547D\u540D\u7684\u4E00\u79CD\u90E8\u4EF6\u3002 \u5F53\u7A0B\u5E8F\u7684\u6307\u4EE4\u88AB\u53D1\u5C04\uFF08issued\uFF09\uFF0C\u6307\u5B9A\u4FDD\u7559\u7AD9\u4F5C\u4E3A\u6307\u4EE4\u7684\u6E90\u64CD\u4F5C\u6570\u7684\u5B58\u50A8\u4F4D\u7F6E\u3002\u4FDD\u7559\u7AD9\u5141\u8BB8CPU\u53D6\u5F97\u4E0E\u91CD\u7528\u521A\u521A\u8BA1\u7B97\u51FA\u7684\u7ED3\u679C\uFF0C\u800C\u4E0D\u5FC5\u7B49\u5F85\u7ED3\u679C\u88AB\u5199\u5165\u5BC4\u5B58\u5668\u518D\u91CD\u65B0\u8BFB\u51FA\u6765\u4F5C\u4E3A\u65B0\u7684\u6307\u4EE4\u7684\u6E90\u64CD\u4F5C\u6570\u3002 \u5F53\u591A\u6761\u6307\u4EE4\u8FDE\u7EED\u5199\u5165\u540C\u4E00\u4E2A\u5BC4\u5B58\u5668\uFF0C\u8FD9\u4E9B\u6307\u4EE4\u90FD\u53EF\u4EE5\u6267\u884C\u4F46\u53EA\u6709\uFF08\u903B\u8F91\u4E0A\uFF09\u6700\u540E\u4E00\u6761\u6307\u4EE4\u5B9E\u9645\u5199\u5165\u3002\u4FDD\u7559\u7AD9\u68C0\u67E5\u662F\u5426\u6709\u5148\u5199\u540E\u8BFB\u7684\u6570\u636E\u76F8\u5173\uFF0C\u662F\u5426\u6709\u7A7A\u95F2\u7684\u6267\u884C\u5355\u5143\u3002 \u6307\u4EE4\u7684\u64CD\u4F5C\u6570\u90FD\u5C31\u7EEA\u540E\uFF0C\u5C31\u53EF\u4EE5\u6295\u5165\u6267\u884C\u3002\u6267\u884C\u7ED3\u679C\u88AB\u5404\u4E2A\u6267\u884C\u5355\u5143\u7684\u4FDD\u7559\u7AD9\u8FA8\u8BC6\uFF0C\u662F\u5426\u5339\u914D\u54EA\u4E9B\u672A\u5C31\u7EEA\u7684\u6307\u4EE4\u6E90\u4F5C\u6570\u3002"@zh . . . . . "3132"^^ . "4543249"^^ . . . . . . . . . . "Reservation Station \u3068\u306F\u3001CPU\u306E\u30DE\u30A4\u30AF\u30ED\u30A2\u30FC\u30AD\u30C6\u30AF\u30C1\u30E3\u306B\u304A\u3044\u3066\u30EC\u30B8\u30B9\u30BF\u30FB\u30EA\u30CD\u30FC\u30DF\u30F3\u30B0\u3092\u53EF\u80FD\u306B\u3059\u308B\u305F\u3081\u306E\u6A5F\u80FD\u3067\u3001\u52D5\u7684\u306A\u547D\u4EE4\u30B9\u30B1\u30B8\u30E5\u30FC\u30EA\u30F3\u30B0\u3092\u884C\u3046Tomasulo\u306E\u30A2\u30EB\u30B4\u30EA\u30BA\u30E0\u3067\u4F7F\u7528\u3055\u308C\u308B\u3002 Reservation station \u3092\u8A2D\u3051\u308B\u3068\u3001\u6F14\u7B97\u5668\u306B\u3088\u3063\u3066\u8A08\u7B97\u3055\u308C\u305F\u30C7\u30FC\u30BF\u304C\u30EC\u30B8\u30B9\u30BF\u306B\u683C\u7D0D\u3055\u308C\u305F\u5F8C\u518D\u5EA6\u30ED\u30FC\u30C9\u3055\u308C\u308B\u306E\u3092\u5F85\u3064\u3053\u3068\u306A\u304F\u3001\u8A08\u7B97\u3055\u308C\u305F\u76F4\u5F8C\u306B\u30C7\u30FC\u30BF\u3092\u53D6\u308A\u51FA\u3057\u518D\u5229\u7528\u3059\u308B\u3053\u3068\u3092\u53EF\u80FD\u306B\u306A\u308B\u3002\u3053\u308C\u306B\u3088\u3063\u3066\u3001\u8907\u6570\u306E\u547D\u4EE4\u304C\u540C\u3058\u30EC\u30B8\u30B9\u30BF\u306B\u66F8\u304D\u8FBC\u3080\u5FC5\u8981\u304C\u3042\u308B\u5834\u5408\u306B\u3082\u3001\u8AD6\u7406\u7684\u306B\u6700\u5F8C\u306E\u547D\u4EE4\u306E\u307F\u306E\u66F8\u304D\u8FBC\u307F\u3092\u884C\u3044\u4ED6\u306E\u547D\u4EE4\u306F\u5148\u306B\u9032\u3080\u3053\u3068\u304C\u3067\u304D\u308B\u3002 Tomasulo\u306E\u30A2\u30EB\u30B4\u30EA\u30BA\u30E0\u3067\u306F\u3001\u5404\u6A5F\u80FD\u30E6\u30CB\u30C3\u30C8\uFF08\u52A0\u7B97\u5668\u3001\u4E57\u7B97\u5668\u306A\u3069\uFF09\u306B\u3001\u305D\u308C\u305E\u308C\u5C02\u7528\u306E Reservation Station \u3092\u6301\u305F\u305B\u308B\u3002\u6A5F\u80FD\u30E6\u30CB\u30C3\u30C8\u306E\u51FA\u529B\u306F Common Data Bus \u306B\u63A5\u7D9A\u3055\u308C\u3001Reservation Station \u304C\u51E6\u7406\u5BFE\u8C61\u306E\u30C7\u30FC\u30BF\u3092\u5229\u7528\u3067\u304D\u308B\u304B\u3069\u3046\u304B\u76E3\u8996\u3059\u308B\u3002\u547D\u4EE4\u306F Reservation Station \u306B\u5BFE\u3057\u3066\u9806\u6B21\u767A\u884C\u3055\u308C\u3001Reservation Station \u306F\u547D\u4EE4\u305D\u306E\u3082\u306E\u3068\u305D\u306E\u51E6\u7406\u5BFE\u8C61\u3092\u30D0\u30C3\u30D5\u30A1\u3059\u308B\u3002\u51E6\u7406\u306E\u5BFE\u8C61\u30C7\u30FC\u30BF\u304C\u307E\u3060\u5229\u7528\u3067\u304D\u306A\u3044\u5834\u5408\u306B\u306F\u3001Reservation Station \u306F Common Data Bus \u3092\u76E3\u8996\u3057\u3001\u5BFE\u8C61\u304C\u5229\u7528\u3067\u304D\u308B\u3088\u3046\u306B\u306A\u308B\u3068\u3001\u5B9F\u884C\u304C\u53EF\u80FD\u306A\u72B6\u614B\u306B\u3059\u308B\u3002Reservation station \u306F\u3001\u5B9F\u884C\u3092\u958B\u59CB\u3059\u308B\u524D\u306B\u51E6\u7406\u5BFE\u8C61\u306E\u30C7\u30FC\u30BF\u304C\u5229\u7528\u3067\u304D\u308B\u304B\u3069\u3046\u304B(RAW \u30CF\u30B6\u30FC\u30C9\u304C\u767A\u751F\u3057\u3066\u3044\u306A\u3044\u304B)\u5B9F\u884C\u30E6\u30CB\u30C3\u30C8\u304C\u7A7A\u3044\u3066\u3044\u308B\u304B\u3069\u3046\u304B(\u69CB\u9020\u7684\u30CF\u30B6\u30FC\u30C9\u304C\u767A\u751F\u3057\u3066\u3044\u306A\u3044\u304B)\u3092\u78BA\u8A8D\u3059\u308B\u3002\u6E96\u5099\u304C\u3067\u304D\u308B\u3068\u547D\u4EE4\u306F\u5B9F\u884C\u3055\u308C\u3001\u7D50\u679C\u306F\u547D\u4EE4\u3092\u5B9F\u884C\u3057\u305F\u6A5F\u80FD\u30E6\u30CB\u30C3\u30C8\u3092\u5143\u306B\u8B58\u5225\u3055\u308C\u308B\u3002\u6A5F\u80FD\u30E6\u30CB\u30C3\u30C8\u304B\u3089\u8FD4\u3055\u308C\u308B\u5168\u3066\u306E\u7D50\u679C\u3092 Reservation Station \u304C\u4FDD\u6301\u3059\u308B\u5168\u3066\u306E\u30A2\u30C9\u30EC\u30B9\u3068\u6BD4\u8F03\u3059\u308B\u30D5\u30EB\u30A2\u30BD\u30B7\u30A2\u30C6\u30A3\u30D6\u306A\u69CB\u9020\u3067\u3042\u308B\u305F\u3081\u3001\u6BD4\u8F03\u5668\u306E\u6F14\u7B97\u30B3\u30B9\u30C8\u304C\u975E\u5E38\u306B\u9AD8\u304F\u306A\u308B\u3068\u3044\u3046\u554F\u984C\u304C\u3042\u308B\u3002"@ja . . . "A unified reservation station, also known as unified scheduler, is a decentralized feature of the microarchitecture of a CPU that allows for register renaming, and is used by the Tomasulo algorithm for dynamic instruction scheduling. Functional Units (such as an adder or a multiplier), each have their own corresponding Reservation Stations. The output of the Functional Unit connects to the Common Data Bus, where Reservation Stations are listening for the operands they need."@en . "Reservation station"@en .