{"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\/it\/blog\/news\/reliz-pocl-6-0-s-nezavisimoj-realizacziej-standarta-opencl","title":{"rendered":"Rilascio di PoCL 6.0 con implementazione indipendente dello standard OpenCL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata pubblicata la release del progetto PoCL 6.0 (Portable Computing Language OpenCL), che sviluppa l'implementazione dello standard OpenCL, indipendente dai produttori di acceleratori grafici e consente di utilizzare diversi backend per l'esecuzione dei nuclei OpenCL su vari tipi di processori grafici e centralizzati. Il codice del progetto \u00e8 rilasciato con licenza MIT. \u00c8 supportato l'uso su piattaforme X86_64, MIPS32, ARM v7, AMD HSA APU, GPU NVIDIA e vari ASIP (Application-Specific Instruction-set Processor) e processori TTA (Transport Triggered Architecture) con architettura VLIW.<\/p>\n<p>L'implementazione del compilatore dei kernel OpenCL si basa su LLVM, e utilizza Clang come frontend per OpenCL C. Per garantire la dovuta portabilit\u00e0 e prestazioni, il compilatore dei kernel OpenCL pu\u00f2 generare funzioni combinate, che possono utilizzare diverse risorse hardware per parallelizzare l'esecuzione del codice, come VLIW, superscalare, SIMD, SIMT, multi-core e multithreading. \u00c8 supportata la modalit\u00e0 ICD drivers<br \/>\n(Installable Client Driver). Sono disponibili backend per garantire il funzionamento tramite CPU, ASIP (TCE\/TTA), GPU basate su architettura HSA e GPU NVIDIA (tramite libcuda). <\/p>\n<p>Nella nuova versione:<\/p>\n<ul>\n<li class=\"l\"> \u00c8 stato aggiunto il supporto per Clang\/LLVM 18.0, mentre \u00e8 stato interrotto il supporto per LLVM 10, 11, 12 e 13.\n<li class=\"l\"> \u00c8 stato implementato un nuovo backend cpu-tbb, che utilizza la libreria OneTBB, sviluppata da Intel, per il parallelismo delle operazioni e la pianificazione dell'esecuzione dei compiti.\n<li class=\"l\"> Nel backend cpu, che garantisce l'esecuzione dei nuclei OpenCL su CPU, \u00e8 stato aggiunto il supporto per lo standard di programmazione parallela OpenMP, \u00e8 stato aggiunto il metodo clGetDeviceAndHostTimer(), e sono state implementate estensioni sperimentali cl_pocl_svm_rect, cl_pocl_command_buffer_svm e cl_pocl_command_buffer_host_buffer.\n<li class=\"l\"> Nel backend &#171;Remote&#187;, progettato per l'organizzazione di calcoli distribuiti attraverso l'estrazione dell'elaborazione dei comandi OpenCL su altri host nella rete in cui \u00e8 in esecuzione il processo in background pocld, \u00e8 stata aggiunta la supporto per CG SVM (Coarse-Grain Shared Virtual Memory), la possibilit\u00e0 di accedere al backend utilizzando il protocollo di comunicazione Vsock e il supporto per la compilazione e il collegamento di programmi utilizzando le funzioni clCompileProgram() e clLinkProgram().\n<li class=\"l\"> Nel backend LevelZero, che utilizza l'API Level Zero, \u00e8 consentito creare buffer di dimensioni superiori a 4GB ed \u00e8 stata implementata l'ottimizzazione dei processi di sincronizzazione.\n<li class=\"l\"> Nel backend CUDA sono state implementate le operazioni sub_group_shuffle e sub_group_shuffle_xor, e il limite CL_DEVICE_MAX_MEM_ALLOC_SIZE \u00e8 stato aumentato.\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61399\">opennet.ru<\/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 5.0.1.1 - 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), 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