1
閾惰瀹剁畻娉曞疄楠屾姤鍛?/p>
銆?/p>
瀹為獙鐩殑
銆?/p>
锛?/p>
1
锛夋牴鎹璁￠鐩殑瑕佹眰锛屽厖鍒嗗湴鍒嗘瀽鍜岀悊瑙ｉ鐩紝鍙欒堪绯荤粺鐨勮姹傦紝鏄?/p>
纭▼搴忚姹傚疄鐜扮殑鍔熻兘浠ュ強闄愬埗鏉′欢銆?/p>
锛?/p>
2
锛夋槑鐧借嚜宸遍渶瑕佺敤浠ｇ爜瀹炵幇鐨勫姛鑳斤紝娓呮缂栧啓姣忛儴鍒嗕唬鐮佺殑鐩殑锛屽仛鍒?/p>
鏈夌殑鏀剧煝锛屾湁鏉＄悊涓嶉仐婕忕殑鐢ㄤ唬鐮佸疄鐜伴摱琛屽绠楁硶銆?/p>
銆?/p>
瀹為獙瑕佹眰
銆?/p>
锛?/p>
1
锛変簡瑙ｅ拰鐞嗚В姝婚攣锛?/p>
锛?/p>
2
锛夌悊瑙ｅ埄鐢ㄩ摱琛屽绠楁硶閬垮厤姝婚攣鐨勫師鐞嗭紱
锛?/p>
3
锛変細浣跨敤鏌愮缂栫▼璇█銆?/p>
銆?/p>
瀹為獙鍘熺悊
銆?/p>
涓�銆佸畨鍏ㄧ姸鎬?/p>
鎸囩郴缁熻兘鎸夌収鏌愮椤哄簭濡?/p>
<P1,P2,鈥?Pn>(
绉颁负
<P1,P2,鈥?Pn>
搴忓垪涓哄畨鍏ㄥ簭
鍒?/p>
)
锛屼负姣忎釜杩涚▼鍒嗛厤鎵�闇�鐨勮祫婧愶紝鐩磋嚦鏈�澶ч渶姹傦紝浣垮緱姣忎釜杩涚▼閮借兘椤哄埄瀹?/p>
鎴愩�?/p>
浜屻�侀摱琛屽绠楁硶
鍋?/p>
璁?/p>
鍦?/p>
杩?/p>
绋?/p>
骞?/p>
鍙?/p>
鎵?/p>
琛?/p>
鏃?/p>
杩?/p>
绋?/p>
i
鎻?/p>
鍑?/p>
璇?/p>
姹?/p>
j
绫?/p>
璧?/p>
婧?/p>
k
涓?/p>
鍚?/p>
锛?/p>
琛?/p>
绀?/p>
涓?/p>
Requesti[j]=k
銆傜郴缁熸寜涓嬭堪姝ラ杩涜瀹夊叏妫�鏌ワ細
锛?/p>
1
锛夊鏋?/p>
Request
i
鈮eed
i
鍒欑户缁互涓嬫鏌ワ紝鍚﹀垯鏄剧ず闇�姹傜敵璇疯秴鍑烘渶澶ч渶姹傚�?/p>
鐨勯敊璇�?/p>
锛?/p>
2
锛?/p>
濡傛灉
Request
i
鈮vailable
鍒欑户缁互涓嬫鏌ワ紝鍚﹀垯鏄剧ず绯荤粺鏃犺冻澶熻祫婧愶紝
Pi
闃?/p>
濉炵瓑寰呫�?/p>
锛?/p>
3
锛夌郴缁熻瘯鎺㈢潃鎶婅祫婧愬垎閰嶇粰杩涚▼
Pi
锛屽苟淇敼涓嬮潰鏁版嵁缁撴瀯涓殑鏁板�硷細
Available
锛?/p>
j
锛解埗
=Available
锛?/p>
j
锛?/p>
-Request
i
[j
锛?/p>
;
Allocation
锛?/p>
i,j
锛解埗
=Allocation
锛?/p>
i,j
锛?/p>
+Request
i
锛?/p>
j
锛?/p>
;
Need
锛?/p>
i,j
锛解埗
=Need
锛?/p>
i,j
锛?/p>
-Requesti
锛?/p>
j
锛?/p>
;
锛?/p>
4
锛夌郴缁熸墽琛屽畨鍏ㄦ�х畻娉曪紝妫�鏌ユ娆¤祫婧愬垎閰嶅悗锛岀郴缁熸槸鍚﹀浜庡畨鍏ㄧ姸鎬併�傝嫢
瀹夊叏锛屾墠姝ｅ紡灏嗚祫婧愬垎閰嶇粰杩涚▼
Pi
锛屼互瀹屾垚鏈鍒嗛厤锛涘惁鍒欙紝
灏嗘湰娆＄殑璇曟帰鍒?/p>
閰嶄綔搴燂紝鎭㈠鍘熸潵鐨勮祫婧愬垎閰嶇姸鎬侊紝璁╄繘绋?/p>
Pi
绛夊緟銆?/p>
涓夈�佸畨鍏ㄦ�х畻娉?/p>
锛?/p>
1
锛夎缃袱涓悜閲忥細
鈶?/p>
宸ヤ綔鍚戦噺
Work:
瀹冭〃绀虹郴缁熷彲鎻愪緵缁欒繘绋嬬户缁繍琛屾墍闇�鐨勫悇绫昏祫婧愭暟
鐩紝瀹冨惈鏈?/p>
m
涓厓绱狅紝鍦ㄦ墽琛屽畨鍏ㄧ畻娉曞紑濮嬫椂锛?/p>
Work
鈭?/p>
=Available;
鈶?/p>
Finish:
瀹冭〃绀虹郴缁熸槸鍚︽湁瓒冲鐨勮祫婧愬垎閰嶇粰杩涚▼锛屼娇涔嬭繍琛屽畬鎴愩�傚紑濮?/p>
鏃?/p>
鍏?/p>
鍋?/p>
Finish
锛?/p>
i
锛?/p>
鈭?/p>
=false;
褰?/p>
鏈?/p>
瓒?/p>
澶?/p>
璧?/p>
婧?/p>
鍒?/p>
閰?/p>
缁?/p>
杩?/p>
绋?/p>
鏃?/p>
锛?/p>
鍐?/p>
浠?/p>
Finish
锛?/p>
i
锛解埗
=true
銆?/p>
锛?/p>
2
锛変粠杩涚▼闆嗗悎涓壘鍒颁竴涓兘婊¤冻涓嬭堪鏉′欢鐨勮繘绋嬶細
鈶?/p>
Finish
锛?/p>
i
锛?/p>
=false;
鈶?/p>
Need
锛?/p>
i,j
锛?/p>
鈮ork
锛?/p>
j
锛斤紱
鑻ユ壘鍒帮紝
鎵ц姝ラ
(3)
锛?/p>
鍚﹀垯锛屾墽琛屾楠?/p>
(4)
銆?/p>
锛?/p>
3
锛夊綋杩涚▼
Pi
鑾峰緱璧勬簮鍚庯紝鍙『鍒╂墽琛岋紝鐩磋嚦瀹屾垚锛屽苟閲婃斁鍑哄垎閰嶇粰瀹冪殑璧?