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February 2023
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compiler@openeuler.org
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[Compiler SIG][Proposal] Intel提议编译器默认使能x86-64-v2来构建OpenEuler 23.09创新版本,请各位发表意见,感谢
by Zhaochuanfeng (Steve)
30 May '23
30 May '23
各位好, Intel同事向Compiler SIG提议编译器默认使能x86-64-v2来构建OpenEuler 23.09创新版本,并于今天在TC例会上进行了分享,TC原则上同意在创新版本上进行预验证。 另外,TC建议调研社区的伙伴(特别是相关OSV和云厂商)对此proposal的建议,请各位在此邮件上反馈意见和建议即可,感谢~ 如下是x86-64微架构level: * x86-64 * The current default microarchitecture level * CMOV, CMPXCHG8B, FPU, FXSR, MMX, FXSR, SCE, SSE, SSE2 * Intel Pentium4 launched in 2000, AMD K8 Hammer in 2003 * x86-64-v2 * CMPXCHG16B, LAHF-SAHF, POPCNT, SSE3, SSE4.1, SSE4.2, SSSE3 * Intel Nehalem launched in 2008, Silvermont (Atom core) in 2013, AMD Piledriver in 2012 * x86-64-v3 * AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE * Intel Haswell launched in 2013, Gracemont (Atom core) in Nov. 2021, AMD Excavator in 2015 * x86-64-v4 * AVX512F, AVX512BW, AVX512CD, AVX512DQ, AVX512VL * Intel Skylake launched in 2015, AMD Zen4 in 2022 不同的level代表能支持的微架构级别,目前openEuler的GCC默认配置成x86-64,该提议建议默认配置成x86-64-v2,从上表可以看到增加了新指令的支持,减少了对老旧硬件的支持。 假设:(1)在生产环境中运行超过10年的硬件并不多 (2)此类硬件很少需要升级到最新的操作系统发行版 收益:(1)摆脱支持非常旧的硬件的限制(>10年); (2)将微体系结构的最低级别提高到Intel Nehalem或 AMD Piledriver; (3)使用更多的矢量指令,以提升应用性能; (4)期望开箱即用的性能收益; 影响:对早于x86-64-v2的硬件不再支持/兼容。 RHEL
9默认配置成了x86-64-v2,供参考:https://developers.redhat.com/blog/2021/01/05/building…
Compiler SIG 赵川峰(Steve)
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Compiler SIG 双周例会
by openEuler conference
27 Feb '23
27 Feb '23
您好! Compiler SIG 邀请您参加 2023-02-28 10:00 召开的Zoom会议(自动录制) 会议主题:Compiler SIG 双周例会 会议内容: 1. 进展update 欢迎继续申报议题~ 会议链接:https://us06web.zoom.us/j/88970606297?pwd=TWlnczdoOW5MODZyL0d6NXhvdkVKZz09
会议纪要:https://etherpad.openeuler.org/p/Compiler-meetings
温馨提醒:建议接入会议后修改参会人的姓名,也可以使用您在gitee.com的ID
更多资讯尽在:https://openeuler.org/zh/
Hello! openEuler Compiler SIG invites you to attend the Zoom conference(auto recording) will be held at 2023-02-28 10:00, The subject of the conference is Compiler SIG 双周例会, Summary: 1. 进展update 欢迎继续申报议题~ You can join the meeting at
https://us06web.zoom.us/j/88970606297?pwd=TWlnczdoOW5MODZyL0d6NXhvdkVKZz09
. Add topics at
https://etherpad.openeuler.org/p/Compiler-meetings
. Note: You are advised to change the participant name after joining the conference or use your ID at
gitee.com
. More information:
https://openeuler.org/en/
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Compiler SIG 双周例会
by openEuler conference
13 Feb '23
13 Feb '23
您好! Compiler SIG 邀请您参加 2023-02-14 10:00 召开的Zoom会议(自动录制) 会议主题:Compiler SIG 双周例会 会议内容: 1. 进展update 欢迎继续申报议题~ 会议链接:https://us06web.zoom.us/j/86885724729?pwd=aFFUbzBuVkR5ejg2MHlLelFRb1IrZz09
会议纪要:https://etherpad.openeuler.org/p/Compiler-meetings
温馨提醒:建议接入会议后修改参会人的姓名,也可以使用您在gitee.com的ID
更多资讯尽在:https://openeuler.org/zh/
Hello! openEuler Compiler SIG invites you to attend the Zoom conference(auto recording) will be held at 2023-02-14 10:00, The subject of the conference is Compiler SIG 双周例会, Summary: 1. 进展update 欢迎继续申报议题~ You can join the meeting at
https://us06web.zoom.us/j/86885724729?pwd=aFFUbzBuVkR5ejg2MHlLelFRb1IrZz09
. Add topics at
https://etherpad.openeuler.org/p/Compiler-meetings
. Note: You are advised to change the participant name after joining the conference or use your ID at
gitee.com
. More information:
https://openeuler.org/en/
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help
by 刘勇
03 Feb '23
03 Feb '23
您好! 我在鲲鹏服务器,openEuler 20.03 (LTS-SP3)系统下,用dnf remove gcc.aarch64卸载 gcc7.3以后,请问能否用yum安装的方式安装gcc9.3的版本?如果能安装 ,请问如何安装呢?谢谢! 刘勇
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