Jun 7, 2015 · I would like to know what PorterDuff.Mode means in android graphics. I know that it is a transfer mode. I also know, that it has attributes such as DST_IN, Multiply etc.

Duff's device deals with serial copying, rather than just any old problem, but is a classic example of how optimisations can be made by reducing the number of times that a comparison needs to be done in a …

Jan 20, 2017 · Duff's device In computer science, Duff's device is an optimized implementation of a serial copy that uses a technique widely applied in assembly language for loop unwinding.

Jan 12, 2012 · Duff's device is all about omitting most of the continuation checks, so it needs to be possible to predict how the continuation check behaves. Probably, as long as dim is a power of 2 or …

May 23, 2018 · That's the same weird setjmp -massacre. Then put it this way: If you want serial execution of single steps why would you want to organize them in such a set of functions? Just call …

Feb 5, 2022 · I've had this issue and it was solved doing: Open Terminal on Windows and Type wsl You will be on the wsl env Type rm -rf ~/.vscode-server Type logout to leave the wsl env Then type wsl - …

Nov 1, 2010 · In all seriousness, I'd suggest looking into separate compilation of just that bit with -funroll-loops before using Duff's Device: it's a beautiful thing to study, but an ugly thing to have in your code.

Feb 23, 2012 · The easiest way to understand Duff's device is to separate its two logical components, the switch and the do/while loop, from each other. Here is a logically equivalent implementation, …

Aug 23, 2011 · @Alice Duff I find your present code heavy: you don't need to define objects fullpath and filename_split and filename_zero and fileext: it spoils the readability

Oct 3, 2009 · Delete the .git directory in the root-directory of your repository if you only want to delete the git-related information (branches, versions). If you want to delete everything (git-data, code, etc), just …