Hi please help me find those answer by go through this article. Thanks.

Article: https://cacm.acm.org/magazines/2015/7/188744-low-latency-distributed-applications-in-finance/fulltext

questions:

1. Why was the 2-second response time of the (re-used) customer-facing quote and trade Application not sufficient for the new interbank RFQ system?

2. Explain why measuring latency across distributed applications can be challenging.

3. Why does Donald Knuth feel that premature optimization is the root of all evil?

3a. Who is Donald Knuth?

4. In the example of speculative pre-computation, why is the pre-comp approach faster than the traditional approach?

5. How did the author solve the problem of lag while receiving a document by FTP that needed To be parsed before a trade decision could be made?