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Intel SMT多线程回归或仅限服务器 酷睿不会有：核心数够多了_我的网站

一 |     According to media reports, the newspaper Beijing Daily published a story on Monday afternoon quoting Cai Qi, the Communist Party of China’s secretary in Beijing and a former mayor of the city.,“In the next five years, Beijing will unremittingly grasp the normalization of epidemic prevention and control,” the story originally quoted Cai as saying, according to the UK Guardian.,Now, the article only says the city will “make unremitting efforts to normalize epidemic prevention and control” to “control quickly and resolutely block the transmission channels of the epidemic.”,It goes on to note the various efforts that must be improved, including a “normalized nucleic acid testing and key screening” process, regularizing cleaning and inspection of public spaces, and controlling entry and exit of the vast city of 21.5 million, which is deeply connected with the surrounding Hebei Province and nearby coastal metropolis of Tianjin.,China’s Economy Got $26 Billion Boost From Gov Buying 11 Billion Covid-19 Tests - Report13 June, 22:01 GMT,China adopted the “Zero Covid” policy in 2021, when the arrival of the Delta variant of SARS-CoV-2, the virus that causes COVID-19, brought an increasingly stubborn new outbreak. However, the principles underlying it - that mass lockdowns, with logistical networks funneling food, supplies and medicine to residents under quarantine while medical workers test the entire population for infection - were forged in early 2020, when China fought off the world’s first outbreak of the virus.,Throughout 2021, the policy was extremely successful, limiting mainland China to just two COVID-19 deaths that year. By comparison, at least 415,000 Americans died of the virus in 2021.,However, it wasn’t until early 2022 that the Omicron variant, even more infectious than Delta and with a penchant for causing asymptomatic cases, really put China’s “Zero Covid” policy to the test. Between the beginning of April and the beginning of June, the Chinese government spent some $26 billion on COVID-19 tests as huge cities like Shanghai, Shenzhen, and Xi’an were placed in lockdown for weeks at a time and their tens of millions of residents tested several times in an attempt to track down, isolate and treat all cases of the disease.,40% of Kids Aged 0-3 Suffer From Long COVID, Which Lasts at Least Two Months - Lancet Report23 June, 12:37 GMT,Despite its success at preventing mass death among its 1.4 billion people, the Chinese government has been extensively criticized by the West, which has variously accused them of lying about the extent of the outbreak, terrorizing its population with the lockdowns, and claiming that the policy in unsustainable. When World Health Organization (WHO) Director General Tedros Adhanom Ghebreyesus suggested in May that China would be better off if it abandoned “Zero Covid,” Beijing fired back.,“The purpose [of Zero Covid] is solely to protect people’s life and health to the greatest extent possible and underpin sustained, sound and steady economic and social development,” Chinese Foreign Ministry spokesperson Zhao Lijian said at the time. “In China, we have the foundation, the conditions and the capability to achieve dynamic zero-COVID. We have every confidence in winning this hard battle and making greater contributions to the united global response.”,A study published in May by researchers at Shanghai’s Fudan University and at Indiana University in the United States warned that if China’s “Zero Covid” policy were removed and the respiratory virus allowed to spread unimpeded across Chinese society - as has happened in most other countries - it would “generate a tsunami of Covid-19 cases” that would kill at least 1.5 million people.,Just over 5,200 people in China have died of COVID-19 since it appeared in late 2019, while about 6.3 million have died globally, including 1 million in the United States.。

二 |     8月24日消息，在12代酷睿处理器之后，Intel放弃了使用多年的SMT多线程技术HT（超线程），但现任CEO陈立武多次表示在这点上他们犯了错，会让SMT技术回归Intel处理器。    AMD之前就针对Intel不支持SMT多线程技术做过营销，认为他们会在企业级市场上占优势，所以Intel也确实需要回归SMT，不然至强处理器在可用的线程数量上就会有劣势。    但是SMT回归这事恐怕只会限于至强处理器，不会出现在客户端级处理器，也就是消费级的PC处理器，桌面及移动版酷睿不会重新支持HT超线程技术。

三 |     理由也很简单，那就是现在的PC处理器物理核心已经够多了，SMT已经没啥意义，它只会在物理核心饱和之后才启动，要知道现在的PC处理器动不动就是16-32核了，确实对SMT需求不大。

四 |     此外，SMT技术也不是没有代价的，它不是单纯的软件多线程，也有额外的物理设计，Intel多年前提到过会多占5%左右的晶体管，因此代价也不低的。    

    虽然PC处理器不会重新加入SMT技术，但未来的架构更值得期待，因为Intel在搞统一核心，不仅核心总数会很多，对单核性能也有好处，这才是大家真正需要的提升。    至于SMT回归的时间，至强处理器会在Coral Rapids这一代出现，这是面向2028年的下下代至强处理器，这一点已经在7月份的财报会议上确认了。    这一代至强的CPU内核是Griffin Cove，虽然也会用于酷睿处理器，但它应该是有两个版本，至强版支持SMT，酷睿版不支持SMT。    传闻的统一核心还要等到Hammer Lake这一代，这个代号倒是非常有意思，20多年前AMD的K8架构就用过Hammer的代号，获得了空前的成功。              

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Published on:07:38:26