hackersdelight.org
Hacker's DelightA collection of programming tricks at the bit level, including a superoptimizer program for RISC computers.
http://www.hackersdelight.org/
A collection of programming tricks at the bit level, including a superoptimizer program for RISC computers.
http://www.hackersdelight.org/
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Hacker's Delight | hackersdelight.org Reviews
https://hackersdelight.org
A collection of programming tricks at the bit level, including a superoptimizer program for RISC computers.
hackersdelight.org
Hacker's Delight
http://www.hackersdelight.org/indexEdition1.shtml
This site is an adjunct to the book Hacker's Delight. Addison-Wesley, 2003). It may become a forum for discussions about the kind of algorithms that are in that book. There is no mechanism set up yet for discussion threads, but if you send me email (see the bottom of this page) I'll post it if it seems appropriate. Please also send email if you find errors in the book. There is nothing here about hacking in the sense of breaking into computers. Usage permissions and restrictions. Foreword by Guy Steele.
Magic Numbers
http://www.hackersdelight.org/magic.htm
On this page you can compute the magic number for division by a given divisor, and the multiplicative inverse modulo 2* 32, of any number in the range 2* 31 to 2* 32 1. Magic numbers are used to convert division by a constant into a short program that uses the most significant 32 bits of the 64-bit product of the dividend and the magic number. Multiplicative inverses are used to convert "exact division" by a constant into an ordinary multiplication modulo 2* 32. Magic number for signed division:.
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Proposals for new x86 instructions
http://programming.sirrida.de/x86_proposals.html
My proposals for new x86 instructions. Back to main page. Gather and scatter with configurable factor. I have posted most these topics also in Intel. S AVX and CPU Instructions. Forum; this is my view of the discussion. Discussed in the forum. Let me propose a new command: Push effective address:. For example in 32 bit mode "pushea [ea]" is meant as a replacement for the combination "lea eax,[ea]" / "push eax" but without trashing eax. A possible encoding could be f2 ff /6. Discussed in the forum. 128&he...
Darryl Gove's Blog: February 2015
http://www.darrylgove.com/2015_02_01_archive.html
Compilers, Processors, Performance, Parallelisation, and Optimisation. Tuesday, February 17, 2015. One of the incredibly useful features in Studio is the ability to profile the kernel. The tool to do this is er kernel. It's based around dtrace, so you either need to run it with escalated privileges, or you need to edit. To add something like:. Username : : defaultpriv=basic,dtrace user,dtrace proc,dtrace kernel. The correct way to modify user attr. Is with the command usermod. The we passed the command.
Darryl Gove's Blog: Bit manipulation: Gathering bits
http://www.darrylgove.com/2015/02/bit-manipulation-gathering-bits.html
Compilers, Processors, Performance, Parallelisation, and Optimisation. Tuesday, February 3, 2015. Bit manipulation: Gathering bits. Void zeros( unsigned char * array, int length, unsigned char * result ) { for (int i=0;i length; i =8) { result[i 3] = ( (array[i 0]= 0) 7) ( (array[i 1]= 0) 6) ( (array[i 2]= 0) 5) ( (array[i 3]= 0) 4) ( (array[i 4]= 0) 3) ( (array[i 5]= 0) 2) ( (array[i 6]= 0) 1) ( (array[i 7]= 0) 0); } }. The inverted byte must have a set upper bit. Byte and ( ( byte and 0x7f) 1) and 0x80).
Popcount Problem - lixinhe 分享
http://www.leexh.com/blog/2014/10/25/popcount-problem
Coding, running and life in SG. Hash为了节省内存，使用稀疏矩阵 sparsehash table 实现，因为每次查找都会计算bitmap中1的个数。 实际上这个问题叫做Hamming weight[1]，或者叫做population count以及pop count。 Assume this gives 64-bits. Binary: 4 zeros, 4 ones . Binary: 8 zeros, 8 ones . Binary: 16 zeros, 16 ones . Binary: 32 zeros, 32 ones. 所以一共是6次shift, 12次and, 6次add，共24次算术运算。 相加结果记为[AB][CD][EF][GH]. 其中[AB]=a b的值。 第二步就是计算[AB] [CD] 和 [EF] [GH]的结果. Shift and add优化(hacker popcnt). X and m1 ) ( x 1) and m1 ). X-(x 1) and m1. X (x 4) and m4. AT&T style assembly */.
Links
http://www.pauliehughes.com/page8/index.html
Paulie's Perfunctory Game Dev Website. Video Game Development Since 1981. Places to go, people to visit. All the latest daily industry news and gossip. Industry News and Dev Articles. UK Games Industry Trade Paper. Games Industry News and Info. VAST database of info on games and game developers both new and old. Real Time Rendering Resources. The place for free Retro game remakes. The best PC Spectrum emulator bar none. The ultimate site for all things BBC and Electron. Collection of lost C64 games.
computer-science-shtonda.blogspot.com
Блог «КОМПЬЮТЕРНЫЕ НАУКИ: общий обзор» ©: Допечатана уникальная книга: «Введение в информационный поиск», Кристофер Д. Маннинг, Прабхакар Рагхаван и Хинрич Шютце, бумага офсетная-белая, твердый переплет, 528 стр., ISBN 978-5-8459-1
http://computer-science-shtonda.blogspot.com/2014/05/introduction-to-information-retrieval.html
Блог «КОМПЬЮТЕРНЫЕ НАУКИ: общий обзор ©. Введение в информационный поиск]. ВВЕДЕНИЕ В КОМПЬЮТЕРНЫЕ НАУКИ]. ПУТЕВОДИТЕЛЬ ПО ДРЕВУ КОМПЬЮТЕРНЫХ НАУК]. 27 мая 2014 г. Допечатана уникальная книга: «Введение в информационный поиск, Кристофер Д. Маннинг, Прабхакар Рагхаван и Хинрич Шютце, бумага офсетная-белая, твердый переплет, 528 стр., ISBN 978-5-8459-1623-5 «ВИЛЬЯМС, 2014. Кристофер Д. Маннинг. Книга: « Введение в информационный поиск. Кристофер Д. Маннинг. Книгу « Введение в информационный поиск. Это перв...
Rachel's Ramblings
http://rsuddeth.livejournal.com/tag/writer's%20block
Danas food and travel log. My Mary Kay story. Writer's Block: Health Care. Powered by LiveJournal.com. Sep 23rd, 2008. Writer's Block: Health Care. Is health care a right or a privilege to you? The first several points on the following document do a pretty good job of telling us why:. Http:/ cthealth.server101.com/the case. For universal health care in the united. I checked out several of the facts they listed, and the ones I checked could easily be confirmed by good sources, such as the CDC or the WHO.
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Hackers Daily - Get Hacker News Show HN posts emailed to you daily
See what people are building at Hacker News. Get a complete list of Show HN posts emailed to you daily. Get Show HN posts emailed to you daily! Hackers Daily helps you stay on top of what people are building at Hacker News by emailing you a complete list of yesterday's Show HN posts daily. Monday's email will contain all of the Show HN posts from the weekend. Just like on Hacker News). How is this better than Hacker News? When will I receive emails? Hackers Daily was created by Mike Singer.
hackersdanet-tudosobreblog.blogspot.com
Hackers da Net - Tudo sobre Blog!
Hackers da Net - Tudo sobre Blog! Quarta-feira, 25 de janeiro de 2012. Como Colocar um Gif na Foto do Blog ou no Blog. Eai galerinha, hoje eu vou estar ensinando como colocar um gif na foto do Blog ou no Próprio Blog, primeiro escolha um Gif de preferencia do seu computador, então vá em nova postagem clique para. Escrever" E vá em imagem e escolha o Gif, feito isso vá em. Editar HTML" Copie o que tá escrito lá. Depois não salve a postagem, vá em. Design" Depois escolha a onde a foto vai ficar, clique em.
hackersdanet
Canais de desporto (1). Easter eggs Yahoo (1). Remoção de Vírus (1). Erro do Google Tradutor XD. Olá pessoal. Eu, DJTaz51, trago-vos hoje um “bug” ou erro do Google tradutor. É muito divertido. Então é assim, entrem na ferramenta de Idiomas do Google, carregando aqui. De seguida escrevam na primeira caixa (o que se quer traduzir) “desculpem pelo meu Espanhol” (sem aspas). Escolham a estrutura de Português Espanhol e carreguem em traduzir. Vejam o que acontece! Se não conseguiram fazer, carreguem aqui.
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Hacker's Delight
This site is an adjunct to the book Hacker's Delight. Addison-Wesley, 2003, 2012). It may become a forum for discussions about the kind of algorithms that are in that book. There is no mechanism set up yet for discussion threads, but if you send me email (see the bottom of this page) I'll post it if it seems appropriate. Please also send email if you find errors in the book. There is nothing here about hacking in the sense of breaking into computers. Usage permissions and restrictions. Chapter 2, Basics.
Hackers Delights
A reservoir filled with tech and motorcycles. Tuesday, December 26, 2017. Basic Overview of Machine Learning in Speech Recognition. These days speech recognition is usually performed with different varieties of machine learning algorithms. First, the algorithms are translated into models. Then the models are used to recognize aligned audio data which is then considered a fully functional speech recognizer for most text in that language. Friday, October 6, 2017. Useful bookmarklets made by other people.
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Hackers De Mu
Visualizar meu perfil completo. Tema Espetacular Ltda. Tecnologia do Blogger.
