{"id":38575,"date":"2019-10-31T22:24:37","date_gmt":"2019-10-31T19:24:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/windows-10-versii-1909-smozhet-razlichat-udachnye-i-neudachnye-yadra-v-protsessore\/"},"modified":"2019-10-31T22:24:37","modified_gmt":"2019-10-31T19:24:37","slug":"windows-10-versii-1909-smozhet-razlichat-udachnye-i-neudachnye-yadra-v-protsessore","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/windows-10-versii-1909-smozhet-razlichat-udachnye-i-neudachnye-yadra-v-protsessore","title":{"rendered":"O Windows 10 vers\u00e3o 1909 conseguir\u00e1 diferenciar n\u00facleos bem-sucedidos e malsucedidos no processador","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Como j\u00e1 reportado<\/a><\/noindex>, a pr\u00f3xima grande atualiza\u00e7\u00e3o do sistema operacional Windows 10, conhecida como 19H2 ou 1909, come\u00e7ar\u00e1 a ser distribu\u00edda para os usu\u00e1rios j\u00e1 na pr\u00f3xima semana. Em geral, acredita-se que essa atualiza\u00e7\u00e3o n\u00e3o trar\u00e1 mudan\u00e7as significativas para o sistema operacional e se tornar\u00e1 algo como um pacote de servi\u00e7o regular. No entanto, para os entusiastas, pode ser muito mais importante e fundamental, uma vez que as melhorias esperadas nos algoritmos de funcionamento do agendador do sistema operacional podem aumentar o desempenho de um \u00fanico n\u00facleo de alguns processadores modernos em at\u00e9 15%.<\/p>\n

A quest\u00e3o \u00e9 que o planejador do Windows 10 est\u00e1 prestes a aprender a reconhecer os chamados «favored cores» — os melhores n\u00facleos de processador com o maior potencial de frequ\u00eancia. N\u00e3o \u00e9 segredo que, em processadores modernos de m\u00faltiplos n\u00facleos, os n\u00facleos t\u00eam caracter\u00edsticas de frequ\u00eancia desiguais: alguns overclockam melhor, outros — pior. H\u00e1 bastante tempo, os fabricantes de processadores marcam especialmente os melhores n\u00facleos que podem operar de maneira est\u00e1vel em uma frequ\u00eancia mais alta em compara\u00e7\u00e3o com os outros n\u00facleos do mesmo processador. Se sobrecarreg\u00e1-los com tarefas priorit\u00e1rias, \u00e9 poss\u00edvel alcan\u00e7ar um desempenho superior. Por exemplo, essa \u00e9 a base da tecnologia Intel Turbo Boost 3.0, que atualmente \u00e9 implementada por meio de um driver especial.<\/p>\n

\"O<\/p>\n

Mas agora o planejador do sistema operacional poder\u00e1 reconhecer as diferen\u00e7as na qualidade dos n\u00facleos do processador, permitindo-lhe distribuir a carga sem ajuda externa de forma a priorizar os n\u00facleos com melhor potencial de frequ\u00eancia para as tarefas. No blog oficial do Windows, \u00e9 mencionado: «O CPU pode ter v\u00e1rios n\u00facleos selecionados (processadores l\u00f3gicos da mais alta classe de planejamento dispon\u00edvel). Para garantir melhor desempenho e confiabilidade, implementamos uma pol\u00edtica de rota\u00e7\u00e3o que distribui o trabalho de forma mais justa entre esses n\u00facleos privilegiados.»<\/p>\n

Como resultado, sob cargas de baixo fluxo, o processador poder\u00e1 operar em frequ\u00eancias de clock mais altas, proporcionando uma vantagem adicional em desempenho. Segundo estimativas da Intel, a escolha correta do n\u00facleo em cen\u00e1rios de thread \u00fanica pode resultar em um aumento de desempenho de at\u00e9 15%.<\/p>\n

<\/center><\/p>\n

Atualmente, a tecnologia Turbo Boost 3.0 e a aloca\u00e7\u00e3o de n\u00facleos «favor\u00e1veis» dentro da CPU s\u00e3o implementadas em chips Intel para o segmento HEDT. No entanto, com a chegada dos processadores Core de d\u00e9cima gera\u00e7\u00e3o, essa tecnologia deve chegar ao segmento de massa, por isso a adi\u00e7\u00e3o de suporte a ela por meio dos recursos padr\u00e3o do sistema operacional parece ser um passo natural da Microsoft.<\/p>\n

Vale notar que o escalonamento de n\u00facleos pelo planejador pode ter um impacto positivo no desempenho dos processadores Ryzen de terceira gera\u00e7\u00e3o. Assim como a Intel, a AMD tamb\u00e9m marca nesses processadores os n\u00facleos favor\u00e1veis, capazes de atingir frequ\u00eancias mais altas. Provavelmente, com a atualiza\u00e7\u00e3o 19H2, o sistema operacional ter\u00e1 a capacidade de priorizar esses n\u00facleos, alcan\u00e7ando assim melhor desempenho, assim como nos processadores da Intel.<\/p>\n

\"O<\/p>\n

A AMD j\u00e1 se manifestou sobre as otimiza\u00e7\u00f5es do planejador para processadores Ryzen na atualiza\u00e7\u00e3o anterior do Windows 10, vers\u00e3o 1903. Por\u00e9m, naquela ocasi\u00e3o, a discuss\u00e3o girava em torno das diferen\u00e7as entre n\u00facleos pertencentes a diferentes m\u00f3dulos CCX. Portanto, os propriet\u00e1rios de processadores baseados na AMD tamb\u00e9m podem esperar melhorias de desempenho com o lan\u00e7amento da atualiza\u00e7\u00e3o 1909.<\/p>\n

<\/p>\n

<\/center><\/p>\n

\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
Fonte: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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