近期活动
- 本周北美在开 RISC-V Summit,是真的热闹。
- openEuler Compiler SIG 计划12月25日的杭州举办线下聚会。
- 估计 OSDT 大会会在明天公开议程。
编译社区的八卦信息
GCC
bug fix stage,没有太多新patch
[PATCH 0/2] RISC-V: Vector extensions support https://gcc.gnu.org/pipermail/gcc-patches/2021-December/586147.html
IBM在 Power GCC 的投入挺坚定的 [PATCH 0/3] Dependency patches for hoist LIM code to cold loop https://gcc.gnu.org/pipermail/gcc-patches/2021-December/586371.html
[PATCH v3 0/7] ifcvt: Convert multiple https://gcc.gnu.org/pipermail/gcc-patches/2021-December/586262.html
[PATCH v2 0/6] Remove "old" built-in function infrastructure https://gcc.gnu.org/pipermail/gcc-patches/2021-December/586273.html
[vect] Re-analyze all modes for epilogues https://gcc.gnu.org/pipermail/gcc-patches/2021-December/586309.html
Binutils/GDB
Add support for AArch64 EFI (efi-*-aarch64) https://sourceware.org/pipermail/binutils/2021-December/118828.html
[GOLD] PowerPC64 inline plt sequences https://sourceware.org/pipermail/binutils/2021-December/118818.html
恭喜中科院的兄弟完成 upstream [Commited]MAINTAINERS: Add myself and Zhengsong Liu as the LoongArch port maintainer https://sourceware.org/pipermail/binutils/2021-December/118796.html
[PATCH v4 01/13] gdbsupport: Add an event-pipe class. https://sourceware.org/pipermail/gdb-patches/2021-December/184270.html
GLIBC
似乎大家都开始休圣诞了,patch比较少
[PATCH] riscv: Resolve symbols directly for symbols with STO_RISCV_VARIANT_CC. https://sourceware.org/pipermail/libc-alpha/2021-December/133561.html
[PATCH 0/5] Extensible rseq support for glibc https://sourceware.org/pipermail/libc-alpha/2021-December/133656.html
[PATCH v5 00/12] Improve hypot https://sourceware.org/pipermail/libc-alpha/2021-December/133752.html
LLVM/Clang/LLDB/LLD
本节内容来自 LLVM Weekly 第 414 期, Alex Bradbury 大哥持续稳定输出。
好聚会: The next Women in Compilers and Tools meetup will take place on December 9th. It will feature Sangeeta Chowdhary's talk, Fast and Precise Approaches to Detect, Debug, and Repair Numerical Errors.
好家伙: It's been a busy week in the ongoing Bugzilla to GitHub issues migration attempt. A GitHub outage last weekend delayed the import. Further issues were found on Wednesday and on Friday it was stopped again due to an issue rewriting issue references. Anton Korobeynikov proposed abandoning the migration and unlocking Bugzilla again if a solution isn't found by the end of this week. Many have chimed in with additional questions or suggestions for next steps. Apologies I can't summarise it all - the discussion at times is a little charged, which takes extra care to summarise fairly. Regardless of whether this migration attempt needs to be aborted or not, huge thanks are owed to Anton Korobeynikov and everyone else involved for the ongoing time investment to try to move this forward.
好科普: Philip Reames documented the design choice that hoisting instructions out of loops is treated as the canonical form, and detailing what might be needed to move towards an alternate design around a profit-driven loop invariant code motion.
好支持: Michał Górny kicked off a discussion about adding support for FreeBSD kernel coredumps, outlining three potential approaches and requesting feedback.
好功能: llvm-profgen can now compute and show a measure of 'profile density', intended to indicate when there may be too few samples relative to the program size. c2e08ab.
好文档: The LLVM_DEFAULT_TARGET_TRIPLE CMake variable is now documented. ec15b73.
好消息: PlatformQemuUser was added to LLDB. This provides initial support for debugging executables under qemu-user. 1408684.
RISC-V in China
- 本周北美在开 RISC-V Summit,是真的热闹。
RT-Thread 社区
- 风平浪静
TVM / MLIR / AI Compilers
- 风平浪静
本周工具链岗位
往期社招及实习生招聘长期有效。
- 平头哥AI芯片部编译及工具链团队招聘 - 校招+社招
- (腾讯)编译器高级研发工程师 (北京/上海/杭州/深圳)
- 华为中央软件院编译器与编程语言软件精英与专家招募进行中!
- (上海) NVidia 招聘高级LLVM编译工程师
- (北京)IBM招聘编译器开发工程师
- PLCT实验室新开放方舟编译器开发实习生(NJ56)
- 阿里云下属神龙系统设计开发核心团队招聘编译器及相关工具链研发专家
- 快手招聘语言设计与编译器研发专家(深圳)-【基础架构中心】
- 寒武纪招聘AI编译器等职位
- Intel的新岗位
本周推荐阅读
本周推荐:《我在日本做公务员》
推荐人:小编1号
年底了各种项目比较忙所以就开始阅读一些轻松简单的书籍。这本书随笔为主,在豆瓣连载过,每篇三五页,适合有空就翻翻,翻两下就翻一遍了。
作者是一位中国妹子,在2016年到2017年在日本的兵库县国际交流课做了一年的「准公务员」(对,就是拥有香菜笑容的那个兵库)。相当于是在中国的某某省的国际交流中心担任了具有中文特长的外聘人员。作者的身份和经历,让我作为读者获得了一种跟以往的阅读不一样的视角和感受。承接的工作有的时候是像街道办一样接触到很偏远地区的大爷大妈(看到了日本老龄化的现状以及乡下的商业街的冷清),有的时候是从中国大陆来的各个学校的交流访问团(两边的中学老师的交流和关注的点,跟领导的抱怨和吐槽都非常的有画面感,过于真实),有的则是要应付各种不请自来的市民、以及迟迟不来的报销。
短短一年中去的最多的是学校,各种中学的国际交流,即使是特别偏僻的学校,也是频繁的。而让我意外的是,小学的饭菜很不好吃,也不热乎,从成年人的视角看,完全不行啊。
学到了一个冷知识是日本常见的天津饭(一种蟹黄鸡蛋盖饭)跟天津没关系。这就像是国内日料店里常出现的北极贝好像日本并不常见一样。知道这些有趣且无用的小知识也挺好玩的。
与本书内容可能无关,小编1号想要对读者指出的是,作者由于只有一年的工作经历,并没有想过在日本定居和长期工作,也没有在当地谈恋爱或寄居,这使得看到的生活,跟余生都会在日本生活的人的感受,是不会相同的。希望阅读的时候,也带着旅游工作一年的心情去看 :-)
合上书,想象着2021年的兵库县是什么样子,想不出来。不管是日本还是中国,我们都已经回不去疫情之前的生活了。