81 lines
5.6 KiB
Plaintext
81 lines
5.6 KiB
Plaintext
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[video member=miotatsu stream_platform=twitch project=book title="1.13 Exercises 12-15" vod_platform=youtube id=Qsz_j4gmzL0 annotator=Miblo]
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[0:06][Recap and set the stage for the day]
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[1:34][Chapter 1.13, Exercise 1.12 - The pitfall of utilizing a subset of the :performance equations[ref
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title="Computer Organization and Design RISC-V Edition"
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author="David Patterson & John Hennessy"
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publisher="Morgan Kaufmann"
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isbn=9780128122754
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url=https://www.elsevier.com/books/computer-organization-and-design-risc-v-edition/patterson/978-0-12-812275-4]][:research]
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[4:01][Chapter 1.13, Exercise 1.12.1 - Fallaciously equating clock rate with :performance]
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[6:45][A few words on pcalc, Unix sockets and TCP]
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[7:13][Chapter 1.13, Exercise 1.12.1 continued][:performance]
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[17:04][Chapter 1.13, Exercise 1.12.2 Fallaciously equating instruction count to CPU time][:performance]
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[27:39][A few thoughts on processor marketing and :performance benchmarks]
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[35:37][Chapter 1.13, Exercise 1.12.3 Fallaciously using MIPS to compare two different processors][:blackboard :performance]
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[45:40][Chapter 1.13, Exercise 1.12.4 Fallaciously using MFLOPS to compare two different processors[ref
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site="RISCY BUSINESS Forums"
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page="COAD 1.13 Exercises"
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url=https://riscy.handmade.network/forums/t/2546-coad_1.13_exercises]][:blackboard :performance]
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[1:02:32][Chapter 1.13, Exercise 1.13 - The pitfall of expecting to improve the overall :performance of a computer by improving only one aspect of it[ref
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title="Computer Organization and Design RISC-V Edition"
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author="David Patterson & John Hennessy"
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publisher="Morgan Kaufmann"
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isbn=9780128122754
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url=https://www.elsevier.com/books/computer-organization-and-design-risc-v-edition/patterson/978-0-12-812275-4]][:research]
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[1:04:20][Chapter 1.13, Exercise 1.13 - The metrics under consideration][:blackboard :performance]
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[1:10:34][A few thoughts on homework questions][:rant]
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[1:17:13][Amdahl's Law][:blackboard :performance]
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[1:22:08][Chapter 1.13, Exercise 1.13.1 - Calculating the total time reduction for a 20% reduction in time for floating point operations][:blackboard :performance]
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[1:31:08][@croepha][Hello]
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[1:31:19][Chapter 1.10 - Fallacies and Pitfalls, reviewing Amdahl's Law[ref
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title="Computer Organization and Design RISC-V Edition"
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author="David Patterson & John Hennessy"
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publisher="Morgan Kaufmann"
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isbn=9780128122754
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url=https://www.elsevier.com/books/computer-organization-and-design-risc-v-edition/patterson/978-0-12-812275-4]][:research]
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[1:34:47][Chapter 1.13, Exercise 1.13.1 continued][:blackboard :performance]
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[1:37:02][Amdahl's Law[ref
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site=Wikipedia
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page="Amdahl's law"
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url=https://en.wikipedia.org/wiki/Amdahl's_law]][:research]
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[1:45:06][Chapter 1.13, Exercise 1.13.1 continued][:blackboard :performance]
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[1:58:00][Relating our intuitive equation for Amdahl's Law back to that given in the book[ref
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site=YouTube
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page="Book Club - Day 7: COAD 1.10-1.11, Check Yourself Review"
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url=https://www.youtube.com/watch?v=01mtcp0lb4s]][:blackboard]
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[2:18:06][Work through the algebra for Amdahl's Law][:blackboard :performance]
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[2:30:30][Request for help clarifying Amdahl's Law[ref
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site="RISCY BUSINESS Forums"
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page="COAD 1.13 Exercises"
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url=https://riscy.handmade.network/forums/t/2546-coad_1.13_exercises]]
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[2:31:36][Chapter 1.13, Exercise 1.13.1 concluded][:blackboard :performance]
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[2:32:17][Chapter 1.13, Exercise 1.13.2 - Calculating the time reduction for integer operations given a total time reduction of 20%][:blackboard :performance]
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[2:35:26][Consult the Errata[ref
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site=Elsevier
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page="Computer Organization and Design, 5th Edition: Errata"
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url=http://booksite.elsevier.com/9780124077263/downloads/COD5e_errata_09-2014.pdf]]
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[2:39:43][Chapter 1.13, Exercise 1.13.2 continued][:blackboard :performance]
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[2:44:10][Chapter 1.13, Exercise 1.13.3 - Trying to reduce the total time by 20% by reducing only the time for branch instructions][:blackboard :performance]
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[2:45:34][Chapter 1.13, Exercise 1.14 - Improving the execution time of a given program[ref
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title="Computer Organization and Design RISC-V Edition"
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author="David Patterson & John Hennessy"
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publisher="Morgan Kaufmann"
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isbn=9780128122754
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url=https://www.elsevier.com/books/computer-organization-and-design-risc-v-edition/patterson/978-0-12-812275-4]][:research :performance]
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[2:47:10][Chapter 1.13, Exercise 1.14 - The metrics under consideration][:blackboard :performance]
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[2:58:11][Chapter 1.13, Exercise 1.14.1 - Improving the CPI of floating point instructions to make the program run two times faster][:blackboard :performance]
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[3:01:07][Chapter 1.13, Exercise 1.14.2 - Improving the CPI of load / store instructions to make the program run two times faster][:blackboard :performance]
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[3:07:55][Chapter 1.13, Exercise 1.14.3 - Calculating the execution time improvement given a reduced CPI of integer and floating point instructions by 40%, and load / store and branch instructions by 30%][:blackboard :performance]
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[3:16:50][Chapter 1.13, Exercise 1.15 - Parallel processing[ref
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title="Computer Organization and Design RISC-V Edition"
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author="David Patterson & John Hennessy"
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publisher="Morgan Kaufmann"
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isbn=9780128122754
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url=https://www.elsevier.com/books/computer-organization-and-design-risc-v-edition/patterson/978-0-12-812275-4]][:research :performance]
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[3:18:09][Break]
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[3:21:20][:afk]
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[3:25:59][Return with nourishment]
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[3:27:38][Chapter 1.13, Exercise 1.15 - Computing :performance metrics for a program running on multiple parallel processors][:blackboard :performance]
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[3:50:37][Reflect on our experience so far, and look forward to Chapter 2]
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[/video]
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