HashSet或==签名(HashSet or == sign)

 我在vars doc1有两个50kb的字符串数据， doc1通过实体框架从数据库中获取。 我想比较这两个变量，看看doc1和doc2是否相等。 我可以获取字符串的hashset并比较哈希值。 或者我可以简单地使用if (doc1 == doc2)是否有更好的第三种选择？ 
 
 如果没有第三个选项，那么就优化，性能以及IL在后台做什么而言，是否有人对hashset v。 ==有任何建议（逻辑上是好的）？ 我想， hashset必须以线性方式扫描字符串到最后才能创建一个唯一的哈希字符串（两个变量）。 == 。 那么哪一个在逻辑上更好？ 

I have two 50kb string data in vars doc1 and doc2 coming form the database through entity framework. I want to compare these two vars to see if doc1 and doc2 are equal. I can take the hashset of the strings and compare the hashes. Or I can simply use if (doc1 == doc2) Is there a third option that's better? 
 
If there is no third option, does anyone have any suggestion (a logical one is good) in regards to hashset v. == in terms of optimization, performance and what IL does in the background? I would imagine that a hashset would have to scan the string in a linear fashion to the end to create a unique hash string (for two vars). So does ==. Then which one is logically better? 

原文：https://stackoverflow.com/questions/25802257