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Analyzing 32-bit vs 64-bit Traces: LRU/RND Results Discrepancies and Inconsistent Miss Rates

This summary addresses issues arising from the comparison of 32-bit versus 64-bit binaries and traces in the homework results for Spring 2010. It notes discrepancies between two groups' outcomes on LRU and RND algorithms, highlighting the discrepancies possibly stemming from mixed compilation and execution environments. Inconsistent miss rates and unclear directions suggest the need for a more rigorous approach if students wish to compete. It’s recommended to re-evaluate the processes for a clearer understanding.

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Analyzing 32-bit vs 64-bit Traces: LRU/RND Results Discrepancies and Inconsistent Miss Rates

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Presentation Transcript

  1. 752 Spring 2010 HW2 Result summary

  2. Issues/problems • 32-bit vs 64-bit traces/binaries • 2 groups had different results for LRU/RND • Compiled as 32-bit vs. traces were 64-bit • Half the references (?) in the output • Miss rates inconsistent • Should redo if you want to compete in contest • Otherwise, directions unclear so OK for HW

  3. Results

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