Efficiency, Inside and Out.

Creating efficient programs is very important, in that it allows processes to run faster and in some cases, with less memory. Program optimization is key in making fast and reusable code. Currently, we are learning about various ways to create efficient implementations of object-specific attributes. By doing these, we need to understand that we need to be careful and consistent with our designs because if, in the future, things need to be modified or added, it can be done with ease. Database querying is a process in which mass amounts of data are sifted through by algorithms to extract to inject specific data. The article I choose mentions that, not only do we have to be efficient with the database query algorithms, but also within other aspect such as power consumption.

The article explains how cache servers are very expensive because they use the “power-hungry” and expensive Random Access Memory modules. However, some cache servers are starting to implement and test Flash Memory databases. Since flash memory is so cheap and has much more storage density that RAM, it would seem like and obvious switch. However, along with the cheap speed comes slower performance than RAM.

I choose the article because working with efficient materials and hardware can lead to innovations and new implantation of design ideas. We discuss design principles so that we can understand the advantages and disadvantage to the better and worse outcomes of issues, respectively. From the article “The more important concern is keeping up with the requests flooding the data center. From the article, “The CSAIL researchers’ system, dubbed BlueCache, does that by using the common computer science technique of ‘pipelining.’ Before a flash-based cache server returns the result of the first query to reach it, it can begin executing the next 10,000 queries. The first query might take 200 microseconds to process, but the responses to the succeeding ones will emerge at .02-microsecond intervals.”

In the future, I expect to apply what was learned by finding ways to further conserve memory and creating the most efficient design principles for my projects. This is important because querying mass amounts of data can take very long (and can use a lot of power) and it is important in recognizing that there are certain design principles that work better in certain situations. The article also states that “A data center for a major web service such as Google or Facebook might have as many as 1,000 servers dedicated just to caching.”, and if you are performing that many calculations, you will need to have efficient modeling and understand good design patterns to handle all of the data correctly. This also made me realize that there are a lot of other factors, such as processing and energy costs, that are considered in certain stages of program modeling.

Source: (https://www.sciencedaily.com/releases/2017/08/170831115210.htm)



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