如何将非常大的数组发送到客户端浏览器？

I have a very large array (20 million numbers, output of a sql query) in my MVC application and I need to send it to the client browser (it will be visualized on a map using webGL and the user is supposed to play with the data locally). What is the best approach to send the data? (Please just do not suggest this is a bad idea! I am looking for an answer to this specific question, not alternative suggestions) This is my current code (called using ajax), but when array size goes above 3 millions I receive outofmemory exception. It seems the serialization (stringbuilder?) fails.I have a very large array (20 million numbers,