How does cache affect hard drive performance

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Hard drive cache allows a hard drive to do the same thing when reading and writing data. As the hard drive reads and writes data, it pulls it from the platters. Very often, a hard drive is working with the same data repeatedly, since the person using the computer is usually working on one or two tasks at a time. The hard disk drive HDD holds data in its cache that you or your programs are using most frequently and, most recently, eliminating the need to pull it from the platters each time that the data is needed.

It also reads the data around it. Therefore, hard drives try to compensate by guessing. When a user or a program requests data reminds me of Tron , the hard drive reads that data and the data around it from the platter and stores it all in the buffer.

Since there is a decent likelihood that the surrounding data is similar, the drive assumes that the user or process will also request the surrounding data soon. There are a bunch of different steps to retrieving data from a hard drive. Each one of them takes time, and they rarely sync up. Transferring data from the hard drive via SATA usually moves much faster than the drive can read and write data to the platters.

The disk buffer is often used to even out this flow of data and make the process much smoother. Again, hard drives are slow. They are probably the most time-consuming part of any computer because of their physically moving parts. You must have seen games with massive frame-rate issues. This is especially common in the bit era games. When playing modern PC games, your system is running graphics-intensive programs and presenting a lot of visual data as you play the game.

This is done almost entirely by your graphics card. If you run into graphics problems, that's the first thing to do. However, you will find that slow hard drives or old hard drives that are about to crash will also limit the graphics performance of the system. Faster hard drive cache and more reliable hard drive will improve graphics quality for games.

Sometimes it may be necessary to replace the hard drive to make the game run smoothly again. You should have the best performance and the game will not be interrupted. All in all, your hard drive cache stores the large files needed to play the game-like a table with all the important files on it. The cache is like the hard disk's RAM and temporarily saves the information when the hard disk starts to write information permanently. However, you need a large table space to hold all the files.

The more table spaces, the better.