{"id":2589,"date":"2022-08-30T15:26:07","date_gmt":"2022-08-30T15:26:07","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/02\/04\/problem-about-cilk-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:26:07","modified_gmt":"2022-08-30T15:26:07","slug":"problem-about-cilk-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-cilk-collection-of-common-programming-errors\/","title":{"rendered":"problem about cilk-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/1c44f5ed509dbe557713e2efd7044a6a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nammouna<br \/>\nlinux cilk<br \/>\nI had some problems with a cilk++ program that works well on windows system but not on linux system:on windows system, while increasing the number of threads the execution time decrease but on linux system, while increasing the number of threads the execution time increase.I used linux ubuntu 2.6.35-22-generic x86_64 GNU\/LinuxI can&#8217;t understand the source of the problem.So can someone help me please ?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/RU6fC.jpg?s=32&amp;g=1\" \/><br \/>\nLake<br \/>\nc osx gcc static-linking cilk<br \/>\nI&#8217;m trying to statically link the cilk library to my program, in order to be able to run the executable on environments that don&#8217;t have the cilk libraries installed (since it is not so common).Here is the best I could come up with:cilkc -Ofast -Wextra -pedantic -fwhole-program -flto -msse4.2 -m64 -lm -mtune=generic -funroll-loops -finline-functions -ffast-math -lpthread -lz -DUSE_GCC -Wc,-std=c99 -Wc,-pipe -DUSE_FILE32API \/usr\/local\/lib\/libcilk.a \/usr\/local\/lib\/cilk\/libcilkrt0.a src\/all.c src\/Ci<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/b2073fde80772ee10bf7f42537515c60?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nSteinin<br \/>\nc quicksort cilk<br \/>\nI have created a median-of-3 standard Quick-sort implementation which sorts a large array of random integers. I would like to go up to at least a 100 million elements but preferably a billion. To increase speed, I am attempting to parallelize the algorithm in Cilk++. The algorithm uses double recursion, and I spawn Cilk tasks to perform each recursive sort.My algorithm works for arrays up to size 10 000 000. Without the Cilk keywords, my sequential algorithm handles 100 million elements easily b<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/827b1643b9e1ac6af6a9341db5bd3f6a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJon Harrop<br \/>\nperformance parallel-processing cilk<br \/>\nWhat challenges in shared memory parallel programming (particularly multicore) cannot be solved or cannot be solved efficiently using a Cilk-style solution (i.e. nested data parallelism with per-core work stealing task deques)?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d5f91983a9d9cfb69981b6108a63b412?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nskaffman<br \/>\nspawn cilk intel-parallel-studio<br \/>\nI work with intel parallel studio 2011 and I included:#include &lt;cilk\/cilk.h&gt;which seemed to be included just fine.Then I tried using the command:cilk_spawn (and also _Cilk_spawn)and got the following error:Error: identifier &#8220;_Cilk_spawn&#8221; is undefined.Does anyone know how to solve this problem?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/tUJ3N.png?s=32&amp;g=1\" \/><br \/>\nJJPA<br \/>\nboost cilk cilk-plus<br \/>\nI am facing an issue while compiling the Cilk++ code with Boost Library.The Boost Library has been installed outside \/usr\/include.I used a -I option to specify the boost directory while compiling with cilk++. I am getting the following error.\/home\/user\/boost_1_51_0\/boost\/multi_array.hpp: In member function&#8217;boost::multi_array&lt;T, NumDims, Allocator&gt;&amp; cilk boost::multi_array&lt;T,NumDims, Allocator&gt;::resize(constboost::detail::multi_array::extent_gen&lt;NumDims&gt;&amp;) [with T = floa<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2014-02-04 02:07:26. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>ammouna linux cilk I had some problems with a cilk++ program that works well on windows system but not on linux system:on windows system, while increasing the number of threads the execution time decrease but on linux system, while increasing the number of threads the execution time increase.I used linux ubuntu 2.6.35-22-generic x86_64 GNU\/LinuxI can&#8217;t [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2589","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=2589"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2589\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=2589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=2589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=2589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}