{"id":116638,"date":"2024-06-19T12:06:00","date_gmt":"2024-06-19T10:06:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-pocl-6-0-s-nezavisimoj-realizacziej-standarta-opencl"},"modified":"2024-06-19T12:06:00","modified_gmt":"2024-06-19T10:06:00","slug":"reliz-pocl-6-0-s-nezavisimoj-realizacziej-standarta-opencl","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/reliz-pocl-6-0-s-nezavisimoj-realizacziej-standarta-opencl","title":{"rendered":"Lansarea PoCL 6.0 cu o implementare independent\u0103 a standardului OpenCL.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost publicat\u0103 versiunea 6.0 a proiectului PoCL (Portable Computing Language OpenCL), care dezvolt\u0103 implementarea standardului OpenCL, independent de produc\u0103torii de accelerator grafic \u0219i permite utilizarea diferitelor backend-uri pentru executarea nucleelor OpenCL pe diverse tipuri de procesoare grafice \u0219i centrale. Codul proiectului este distribuit sub licen\u021ba MIT. Este suportat pe platforme X86_64, MIPS32, ARM v7, AMD HSA APU, GPU NVIDIA \u0219i diverse procesoare specializate ASIP (Application-Specific Instruction-set Processor) \u0219i TTA (Transport Triggered Architecture) cu arhitectur\u0103 VLIW.<\/p>\n<p>Implementarea compilatorului de nucleu OpenCL se bazeaz\u0103 pe LLVM, iar Clang este utilizat ca frontend pentru OpenCL C. Pentru a asigura portabilitate \u0219i performan\u021b\u0103 adecvat\u0103, compilatorul nucleelor OpenCL poate genera func\u021bii combinate care pot utiliza diverse resurse hardware pentru a paraleliza executarea codului, precum VLIW, supercalaritate, SIMD, SIMT, multicore \u0219i multithreading. Exist\u0103 suport pentru drivere ICD<br \/>\n(Installable Client Driver). Exist\u0103 backend-uri pentru asigurarea func\u021bion\u0103rii prin CPU, ASIP (TCE\/TTA), GPU pe baza arhitecturii HSA \u0219i GPU NVIDIA (prin libcuda). <\/p>\n<p>\u00cen noua versiune:<\/p>\n<ul>\n<li class=\"l\"> A fost ad\u0103ugat suport pentru Clang\/LLVM 18.0, iar suportul pentru LLVM 10, 11, 12 \u0219i 13 a fost oprit.\n<li class=\"l\"> A fost implementat un nou backend cpu-tbb, care utilizeaz\u0103 biblioteca OneTBB dezvoltat\u0103 de Intel pentru a paralelezi opera\u021biile \u0219i a planifica execu\u021bia sarcinilor.\n<li class=\"l\"> \u00cen backend-ul cpu, care asigur\u0103 executarea nucleelor OpenCL pe CPU, a fost ad\u0103ugat suport pentru standardul de programare paralel\u0103 OpenMP, s-a ad\u0103ugat metoda clGetDeviceAndHostTimer(), iar extensiile experimentale cl_pocl_svm_rect, cl_pocl_command_buffer_svm \u0219i cl_pocl_command_buffer_host_buffer au fost implementate.\n<li class=\"l\"> \u00cen backend-ul &#171;Remote&#187;, destinat organiz\u0103rii calculului distribuit prin delegarea proces\u0103rii comenzilor OpenCL pe alte gazde din re\u021bea pe care ruleaz\u0103 procesul de fundal pocld, a fost ad\u0103ugat\u0103 suport pentru CG SVM (Coarse-Grain Shared Virtual Memory), posibilitatea de a accesa backend-ul utiliz\u00e2nd protocolul de comunica\u021bie Vsock \u0219i suport pentru compilarea \u0219i conectarea programelor prin func\u021biile clCompileProgram() \u0219i clLinkProgram().\n<li class=\"l\"> \u00cen backend-ul LevelZero, care folose\u0219te API Level Zero, este permis\u0103 crearea de buffer-e cu dimensiunea mai mare de 4GB, iar optimiz\u0103ri ale proceselor de sincronizare au fost implementate.\n<li class=\"l\"> \u00cen backend-ul CUDA au fost implementate opera\u021bii sub_group_shuffle \u0219i sub_group_shuffle_xor, iar limita CL_DEVICE_MAX_MEM_ALLOC_SIZE a fost crescut\u0103.\n<\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61399\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PoCL 6.0 (Portable Computing Language OpenCL), \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 OpenCL, \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u0443\u044e \u043e\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u0435\u043b\u0435\u0439 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u0431\u044d\u043a\u0435\u043d\u0434\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f OpenCL-\u044f\u0434\u0435\u0440 \u043d\u0430 \u0440\u0430\u0437\u043d\u044b\u0445 \u0442\u0438\u043f\u0430\u0445 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0445 X86_64, MIPS32, ARM v7, AMD HSA APU, NVIDIA GPU \u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116638","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PoCL 6.0 (Portable Computing Language OpenCL), \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 OpenCL, 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