Besides communication cost, what is the other source of inefficiency in RPC?

context switches, excessive buffer copying.
How can you optimise the communication?
(ans : communicate through shared memory on same machine, bypassing the kernel

See also

• For a Given node of a binary tree, print the K distance nodes.
• Find the distance between 2 nodes in Binary Tree
• Find the distance between 2 nodes in Binary Tree
• Program to count leaf nodes in a binary tree
• Friend Circle - Hackerrank