{"id":107177,"date":"2023-03-10T12:48:22","date_gmt":"2023-03-10T10:48:23","guid":{"rendered":"https:\/\/prohoster.info\/?p=107177"},"modified":"2023-03-11T11:43:26","modified_gmt":"2023-03-11T09:43:26","slug":"predstavlen-openxla-instrumentarij-dlya-optimizaczii-i-kompilyaczii-modelej-mashinnogo-obucheniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/predstavlen-openxla-instrumentarij-dlya-optimizaczii-i-kompilyaczii-modelej-mashinnogo-obucheniya","title":{"rendered":"Introduzido o OpenXLA, um conjunto de ferramentas para otimiza\u00e7\u00e3o e compila\u00e7\u00e3o de modelos de aprendizado de m\u00e1quina","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>As maiores empresas que atuam no desenvolvimento em aprendizado de m\u00e1quina apresentaram o projeto OpenXLA, destinado ao desenvolvimento colaborativo de ferramentas para compila\u00e7\u00e3o e otimiza\u00e7\u00e3o de modelos para sistemas de aprendizado de m\u00e1quina. O projeto abrange o desenvolvimento de ferramentas que permitem unificar a compila\u00e7\u00e3o de modelos preparados nas estruturas TensorFlow, PyTorch e JAX, para treinamento e execu\u00e7\u00e3o eficaz em diferentes GPUs e aceleradores especializados. Empresas como Google, NVIDIA, AMD, Intel, Meta, Apple, Arm, Alibaba e Amazon se juntaram ao projeto.    <\/p>\n<p>Espera-se que a colabora\u00e7\u00e3o de equipes de pesquisa l\u00edderes e representantes da comunidade estimule o desenvolvimento de sistemas de aprendizado de m\u00e1quina e resolva o problema da fragmenta\u00e7\u00e3o da infraestrutura para diferentes estruturas e equipamentos. O OpenXLA permite uma ampla compatibilidade de suporte a diferentes equipamentos, independentemente da estrutura em que o modelo de aprendizado de m\u00e1quina foi criado. A expectativa \u00e9 que, com o OpenXLA, o tempo de treinamento de modelos seja reduzido, a largura de banda aumentada, a lat\u00eancia diminu\u00edda, os custos de recursos computacionais reduzidos e o tempo de lan\u00e7amento de produtos no mercado acelerado.    <center><img decoding=\"async\" alt=\"Introduzido o OpenXLA, um conjunto de ferramentas para otimiza\u00e7\u00e3o e compila\u00e7\u00e3o de modelos de aprendizado de m\u00e1quina\" src=\"\/wp-content\/uploads\/2023\/03\/b684d2f57def6348f6a0037c36baf717.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>O OpenXLA \u00e9 composto por tr\u00eas componentes principais, cujo c\u00f3digo \u00e9 distribu\u00eddo sob a licen\u00e7a Apache 2.0:  <\/p>\n<ul>\n<li class=\"l\"> XLA (Acelera\u00e7\u00e3o de \u00c1lgebra Linear) \u2014 um compilador que permite otimizar modelos de aprendizado de m\u00e1quina para execu\u00e7\u00e3o de alto desempenho em v\u00e1rias plataformas de hardware, incluindo GPU, CPU e aceleradores especializados de diferentes fabricantes.\n<li class=\"l\"> StableHLO \u2014 uma especifica\u00e7\u00e3o e implementa\u00e7\u00e3o b\u00e1sica de um conjunto de opera\u00e7\u00f5es de alto n\u00edvel (HLO, High-Level Operations) para uso em modelos de sistemas de aprendizado de m\u00e1quina. Serve como uma camada entre frameworks de aprendizado de m\u00e1quina e compiladores que transformam o modelo para execu\u00e7\u00e3o em hardware espec\u00edfico. Camadas para gera\u00e7\u00e3o de modelos no formato StableHLO foram preparadas para os frameworks PyTorch, TensorFlow e JAX. A base do StableHLO \u00e9 um conjunto MHLO, que foi ampliado para incluir suporte \u00e0 serializa\u00e7\u00e3o e versionamento.\n<li class=\"l\"> IREE (Ambiente de Execu\u00e7\u00e3o de Representa\u00e7\u00e3o Intermedi\u00e1ria) \u2014 um compilador e runtime que transforma modelos de aprendizado de m\u00e1quina em uma representa\u00e7\u00e3o intermedi\u00e1ria universal, baseada no formato MLIR (Representa\u00e7\u00e3o Intermedi\u00e1ria de M\u00faltiplos N\u00edveis) do projeto LLVM. Entre suas caracter\u00edsticas, destaca-se a possibilidade de compila\u00e7\u00e3o antecipada (ahead-of-time), suporte para controle de fluxo, possibilidade de uso de elementos din\u00e2micos em modelos, otimiza\u00e7\u00e3o para diferentes CPU e GPU, e baixas sobrecargas.    <\/ul>\n<p>Principais benef\u00edcios da ferramenta OpenXLA:  <\/p>\n<ul>\n<li class=\"l\"> Alcan\u00e7ar desempenho ideal sem a necessidade de se aprofundar na escrita de c\u00f3digo espec\u00edfico para determinados dispositivos. Fornecimento de otimiza\u00e7\u00f5es prontas, incluindo simplifica\u00e7\u00e3o de express\u00f5es alg\u00e9bricas, aloca\u00e7\u00e3o eficiente de mem\u00f3ria e planejamento da execu\u00e7\u00e3o com foco na redu\u00e7\u00e3o do pico de consumo de mem\u00f3ria e sobrecargas.\n<li class=\"l\"> Facilidade na escalabilidade e paraleliza\u00e7\u00e3o de c\u00e1lculos. O desenvolvedor precisa apenas adicionar anota\u00e7\u00f5es para um subconjunto cr\u00edtico de tensores, com base nos quais o compilador pode gerar automaticamente c\u00f3digo para c\u00e1lculos paralelos.\n<li class=\"l\"> Garantia de portabilidade por meio do suporte a v\u00e1rias plataformas de hardware, como GPUs AMD e NVIDIA, CPUs baseadas na arquitetura x86 e ARM, aceleradores de ML TPU do Google, IPUs da AWS Trainium Inferentia, Graphcore e Cerebras Wafer-Scale Engine.\n<li class=\"l\"> Suporte para a conex\u00e3o de extens\u00f5es com a implementa\u00e7\u00e3o de recursos adicionais, como o suporte \u00e0 escrita de primitivos de aprendizado de m\u00e1quina profundo usando CUDA, HIP, SYCL, Triton e outras linguagens para c\u00e1lculos paralelos. Possibilidade de ajuste manual de gargalos nos modelos.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58773\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043f\u0440\u043e\u0435\u043a\u0442 OpenXLA, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u043e\u0434\u0435\u043b\u0435\u0439 \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f. \u041f\u043e\u0434 \u043a\u0440\u044b\u043b\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043f\u0435\u0440\u0435\u0448\u043b\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0443\u043d\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044e \u043c\u043e\u0434\u0435\u043b\u0435\u0439, \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432\u043e \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430\u0445 TensorFlow, PyTorch \u0438 JAX, \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0440\u0430\u0437\u043d\u044b\u0445 GPU \u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u0435\u043b\u044f\u0445. \u041a \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":107178,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-107177","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f, 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