Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
wiki:aca2017:assignments [2018/03/28 15:28] – Andreas Moshovoswiki:aca2017:assignments [2018/04/22 19:30] (current) – Andreas Moshovos
Line 1: Line 1:
 +====== Assignment #5 ======
 +Please read the following publication: {{ :wiki:aca2017:selfoptimizingmemcntrl.pdf | Self-Optimizing Memory Controllers: A Reinforcement Learning Approach, Ipek et al., ISCA 2008. }}
 +
 +Then answer the following questions:
 +
 +  * A DRAM chip is contains several independent banks. At a high-level what is the sequence of operations that need to be issued to a bank to read and write data? Briefly explain what a row is and what purpose it serves.
 +  * Briefly explain what the FR-FCFS policy is?
 +  * What is a Markov Decision Process? Please formally define it.
 +  * Why is a discounted cumulative reward function more appropriate for infinite horizon problems?
 +  * Explain what are Q-values.
 +  * What is  epsilon-greedy action selection? Why is it needed?
 +  * What is CMAC and why is it used here? What goal does it serve?
 +  * In FIg. 6(a) why are there two parallel vertical pipes?
 +
 +
 ====== Assignment #4 ====== ====== Assignment #4 ======
 You are asked to think about the on and off-chip memory system for our DaDianNao like accelerator. Let's restrict attention to CNNs, where the layers are convolutions, pooling and fully-connected. You are asked to think about the on and off-chip memory system for our DaDianNao like accelerator. Let's restrict attention to CNNs, where the layers are convolutions, pooling and fully-connected.