warm-up

I am working with some multicore simulators such as GEMS or M5. In all of them there is an option to "Warm up the cache". What does that term mean? The warm up is just the period of loading a set of data so that the cache gets populated with valid data. If you're doing performance testing against a system that usually has a high frequency of cache hits, without the warm up you'll get false numbers because what would normally be a cache hit in your usage scenario is not and will drag your numbers down. 来源： https://stackoverflow.com/questions/434259/what-is-a-warm-up-cache

I have an e-commerce application that uses MySQL, and I'd like it to be faster. When a part # is accessed on the website that has been accessed before, the part loads quickly because all the necessary data is already in the INNODB buffer pool. However, if the part # has never been loaded before, that data isn't in the buffer pool yet, so it needs to be read from disk, and that is slow. I set my INNODB buffer pool to be 2GB, and this entire database is only about 350MB, so there is plenty of room to load the entire database in the buffer pool. I can see from the INNODB statistics that only