中国惊奇先生

英特尔发布面向Meteor Lake和Sierra Forest CPU的GCC编译器补丁_我的网站

A |     

    A screenshot from a video posted by netizens showing the suspected site of the explosion in Linyi, East China's Shandong Province. Photo: Screenshot from video posted by China News ServiceOne person has died and two remain missing after an explosion at a single-story house in Wangqiao community in Yihe New Area, Linyi, East China's Shandong Province, at 3:38 pm on Friday, according to a statement released by the Yihe New Area authority on Friday night.
Following the explosion, local public security, fire and rescue, emergency management, housing and urban-rural development authorities formed a joint working group and immediately rushed to the scene to carry out emergency rescue operations.
As of Friday night, one person had been confirmed dead and two remained missing. Other injured people had been taken to hospital for treatment and none were in life-threatening condition. Search, rescue and cleanup operations at the site were still underway, according to the statement.
A preliminary investigation indicated that the explosion was suspected to have been caused by a tenant surnamed Wang illegally storing explosives used for illegal fishing at the property, the statement said.
Residents of nearby residential buildings have been properly accommodated, while an investigation into the cause of the accident and follow-up handling are proceeding in an orderly manner, according to the statement.
Global Times 
。    英特尔提供的新编译器更新将协助为Sierra Forest CPU中看到的指令集带来介绍性的x86_64扩展，这将可以为操作系统产生准确的核心数。

B | 英特尔研究员和工程师Haochen在为Raptor Lake单独发布GCC编译器补丁后，率先发布了Meteor Lake补丁。

C | 然而，这两个补丁的修复并不算大，因为这些变化对两种架构的整体性能来说并不是高度不可或缺的。英特尔的至强服务器系列CPU严格依赖E-cores，Sierra Forest也被纳入最新的更新中，其中大部分工作对改进更为关键。首先，"sierraforest"编译器目标被启用，以便为下一代服务器处理器提供进一步的指令，例如：AVX-IFMAAVX-VNNI-INT8AVX-NE-CONVERTCMPccXADDPhoronix网站的Michael Larabel从GNU项目网站上恢复了这个列表，同时还有来自英特尔的这个编程参考，以提供关于新指令的信息。x86_64 ISA编程参考手册的截屏前三条指令主要是针对AVX-512视频编解码器，第一条涵盖了整数融合乘加指令，而矢量神经网络指令则利用了INT8推理。AVX-NE-CONVERT通过从m16转换将BF 16 FP元素安装到FP32。

D | 最后，CMPccXADD代表"Compare and ADD if Condition is Met"，这是AVX-512在这个GCC补丁系列中的最后一套指令。Larabel指出，新的更新仍然可以集成到GCC 13编译器中，该编译器计划在2023年发布，在今年晚些时候的Ubuntu 23.10之后。对英特尔来说，这个时机将是完美的，因为该公司将在2023年第四季度发布用于数据中心的Sierra Forest处理器。了解更多：https://gcc.gnu.org/pipermail/gcc-patches/2022-October/603542.html
https://gcc.gnu.org/pipermail/gcc-patches/2022-October/603546.html
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Published on:08:48:54