Comments (4)
Well, I see your point. On the other hand, this is a more high-level asymptotic analysis. The data movement is intended to be the amount of data accessed from main (slowest) memory. We are looking at an "ideal" system. Actual data movement really depends on the problem sizes and hardware details, such as cache sizes. I'm not aware of any scientific work that provides a rigorous bound on data movement.
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I agree with your points. But what I was referring to is something similar to this slide, slides 40-41. And your analysis is similar to slide 39 in the mentioned deck.
I think the figures used in James Demmel's slides are more intuitive.
I'm not aware of any scientific work that provides a rigorous bound on data movement.
If interested, there is excellent work by Hong/Kung, Irony et al., and Ballard on this topic. (obviously, out of scope here).
Lastly, thanks again for this wonderful compilation. This repo is so resourceful.
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Hi @xintin, thanks again for your suggestions and the references. I'm going to update the related section. Please take a look and let me know if it is clearer now.
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Looks great. Thank you @federico-busato
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Related Issues (20)
- Typo in signed overflow UB case HOT 1
- Table of contents broken in all-in-one modern-cpp.pdf HOT 4
- Extra empty line is processed in "I/O Stream - Example 1" HOT 3
- Valid overloaded function call marked as error (6. Basic Concepts V) HOT 1
- Misleading comment in example in chapter 4 HOT 1
- Macro redefinition without #undef triggers warning (07. Basic_Concepts V) HOT 2
- Request: uploading HTML version to githubpages via CI HOT 4
- Possibly a minor typo in title (10.Template_I.pdf) HOT 3
- Request STL chapter and lambda function HOT 1
- Code fix for sizeof examples in 05.Basic_Concepts_IV HOT 1
- Report: there is typo in 05.Baisic_Concepts_IV HOT 1
- Minor typo in 05.Basic_Concepts_III.pdf HOT 1
- Question : I'm a little confused about the content of the 28th slide of Basic Concepts V HOT 1
- Question in Capture List and Classes (07.Basic_Concepts_V.pdf) HOT 4
- Enhancement in 10.Templates_I.pdf HOT 2
- Fixes in 08.Object_Oriented_I.pdf HOT 1
- Inaccurate statement on bitwise operators on signed integers HOT 1
- Translation_Units_II[21/54] compiler error HOT 1
- Issue with slide
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