...de 1 (21 % 4 = 9 % 4 = 1). We store them in the hash table by linked list. rehashing this hash table, double the capacity, you will get: size=3, capacity=8 index: 0 1 2 3 4 5 ...
.../兩個(gè)dictht,ht[0]平時(shí)用,ht[1] rehash時(shí)用 long rehashidx; /* rehashing not in progress if rehashidx == -1 *///當(dāng)前rehash到buckets的哪個(gè)索引,-1時(shí)表示非rehash狀態(tài) int iterators; /* number of iterators currently ru...
...e mappings to be stored more efficiently than letting it perform automatic rehashing as needed to grow the table. Note that using many keys with the same hashCode is a sure way to slow down perform...
...量),并將原有的對(duì)象重新分配,嵌入新的桶內(nèi),這稱為rehashing HashSet和HashMap、Hashtable的構(gòu)造器允許指定一個(gè)負(fù)載極限,HashSet和HashMap、Hashtable默認(rèn)的負(fù)載極限為0.75,這表明當(dāng)該hash表的3/4已經(jīng)被填滿時(shí),hash表會(huì)發(fā)生rehashing ...
...小,并將原來(lái)的對(duì)象放入新的bucket數(shù)組中。這個(gè)過程叫作rehashing,因?yàn)樗{(diào)用hash方法找到新的bucket位置。 如果你能夠回答這道問題,下面的問題來(lái)了:你了解重新調(diào)整HashMap大小存在什么問題嗎?你可能回答不上來(lái),這時(shí)...
...來(lái)HashMap大小的兩倍的bucket數(shù)組,來(lái)重新調(diào)整map的大小(rehashing)。當(dāng)多線程的情況下,可能產(chǎn)生條件競(jìng)爭(zhēng)(race condition),兩個(gè)線程都發(fā)現(xiàn)HashMap需要重新調(diào)整大小了,它們會(huì)同時(shí)試著調(diào)整大小。 先這樣吧 若有錯(cuò)誤之處請(qǐng)指出,更...
...ictType,NULL); robj *element; /* Presize the dict to avoid rehashing */ dictExpand(d,intsetLen(setobj->ptr)); /* To add the elements we extract integers and create r...
ChatGPT和Sora等AI大模型應(yīng)用,將AI大模型和算力需求的熱度不斷帶上新的臺(tái)階。哪里可以獲得...
大模型的訓(xùn)練用4090是不合適的,但推理(inference/serving)用4090不能說(shuō)合適,...
圖示為GPU性能排行榜,我們可以看到所有GPU的原始相關(guān)性能圖表。同時(shí)根據(jù)訓(xùn)練、推理能力由高到低做了...