UU | IT | DoCS | eh TIC -- Lecture1: CMOS Technology 1. Who are you? Sel Ali Charlotta Dan ErikB ErikH Fredrik Guillaume HåkanS HåkanZ HenrikJ HenrikL Johann Lars Magnus MartinK MartinT Mats Mikael Per Simon Tomas Zhonghai Zoran 2. Check the TRUE statements for P0 1 The wire delay is proportional to its resistance divided by its capacitance 2 The fraction of chip area reachable in one cycle will be less than 10 percent by year 2011 3 If we continue to build ILP-focused CPUs the performance improvement per year will be around 12 percent 4 The number of memory bits reachable in one cycle will reach its peak by year 2011 5 The access time to L1 caches will decrease with future precess technology (measured in CPU cycles and assuming a constant cache size) 6 The SIA report state that the logic depth between for each pipeline stage will steadily decrease over time 3. Check the TRUE statements for P1 1 One drawback of transmission lines is low bandwidth 2 DNUCA migrates data closer to its usage 3 At high frequencies electrons like to trave close to the surface of a conductor 4 Transmission lines are less sensitive to noise 5 SINGLE-ENDED transmission requires twice as many connections as DIFFERENTIAL transmission for transferring the same amount of data 4. Check the TRUE statements for P2 1 Dynamic power is the dominating power source in current architectures 2 Short-circuit power is projected to become the dominant source of power consumption 3 Leakage power is dependent of temperature 4 Assuming that frequency scaling is trivial and that Intel's recently abandoned motto: FREQUENCY == PERFORMANCE is true: A dynamic power saving techniques that saves 10% of power and slows down the execution by 10% makes sense 5 . Rate paper P0 1 Was it easy to read the paper? Sel no -- not at all no -- only marginally so neutral yes -- to some extent yes -- very much 2 Is the paper technically sound (for the time it was written)? Sel no -- not at all no -- only marginally so neutral yes -- to some extent yes -- very much 3 How do you rate the overall presentation? Sel bad not good average pretty good very good 4 Any short suggestions for improvements? 6 . Submit at least two issues to discuss at the meeting 1 Issue 1 2 Issue 2 3 Issue 3 4 Issue 4 7 . Submit two issues to discuss at the meeting 1 2 Please, print a copy of your form and bring it to the next meeting <eh@it.uu.se>
Sel Ali Charlotta Dan ErikB ErikH Fredrik Guillaume HåkanS HåkanZ HenrikJ HenrikL Johann Lars Magnus MartinK MartinT Mats Mikael Per Simon Tomas Zhonghai Zoran
1 The wire delay is proportional to its resistance divided by its capacitance 2 The fraction of chip area reachable in one cycle will be less than 10 percent by year 2011 3 If we continue to build ILP-focused CPUs the performance improvement per year will be around 12 percent 4 The number of memory bits reachable in one cycle will reach its peak by year 2011 5 The access time to L1 caches will decrease with future precess technology (measured in CPU cycles and assuming a constant cache size) 6 The SIA report state that the logic depth between for each pipeline stage will steadily decrease over time
1 One drawback of transmission lines is low bandwidth 2 DNUCA migrates data closer to its usage 3 At high frequencies electrons like to trave close to the surface of a conductor 4 Transmission lines are less sensitive to noise 5 SINGLE-ENDED transmission requires twice as many connections as DIFFERENTIAL transmission for transferring the same amount of data
1 Dynamic power is the dominating power source in current architectures 2 Short-circuit power is projected to become the dominant source of power consumption 3 Leakage power is dependent of temperature 4 Assuming that frequency scaling is trivial and that Intel's recently abandoned motto: FREQUENCY == PERFORMANCE is true: A dynamic power saving techniques that saves 10% of power and slows down the execution by 10% makes sense
1 Was it easy to read the paper? Sel no -- not at all no -- only marginally so neutral yes -- to some extent yes -- very much 2 Is the paper technically sound (for the time it was written)? Sel no -- not at all no -- only marginally so neutral yes -- to some extent yes -- very much 3 How do you rate the overall presentation? Sel bad not good average pretty good very good 4 Any short suggestions for improvements?
1 Issue 1 2 Issue 2 3 Issue 3 4 Issue 4
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Please, print a copy of your form and bring it to the next meeting