why are they rarely used in practice?moreover suppose u have a large source program consisting of m files to compile.the compilation is to take place on a system with n processors where n>>m the best u can hope for is an m fold speedup over a single processor what factors might cause the speedup to be less than this maximum?all releated to distributed computing
2007-01-26 22:07:03 · 2 answers · asked by Anonymous in Computers & Internet ➔ Computer Networking
Crossbar switches are extremely expensive. For example, for N CPU's and N memories, you have to buy N^2 switching elements.
Your second question doesn't seem to really be a question.
2007-01-28 16:02:32 · answer #1 · answered by tony1athome 5 · 0⤊ 0⤋
Crossbar Switches Allow A Large Number Of Memory Requests To Be Processed At Once, Giving Excellent Performance. Why Are They Rarely Used In Prac-Tice?
2016-02-22 20:53:23 · answer #2 · answered by Elena 1 · 0⤊ 0⤋