SORA-TATA wrote:請問 MacBook A14Z :
感謝回覆，Home-brew 確實滿積極的有在推進軟體轉換工作。
...(恕刪)
1) 是否已經有 x86 64bit 虛擬機？
2) 若有，可否讓人自行安裝 win10 x64？ 目前跑起來效能可以比擬 MacBook 12 2017 i7版嗎？ 一樣也是靜音無風扇嗎？
SORA-TATA wrote:
我手邊的開發機是mac(恕刪)
PD不用想，而且就算是Apple說有PD，也不是x86的PD，是ARM版的PD，用來跑ARM版的Linux也。
A12Z的效能損耗不是模擬X86軟件，是轉釋X86，直接運行更差。。。
其實home-brew 那些unix類本來很多就有arm64版本，己經是最容易轉ARM了，還要好幾個月，不要想得那麼簡單好了。。。。
就連Apple 說得美好的Mac Catalyst都沒幾個軟件。
然後一堆人神化A12Z有多高效率，A12Z比很多INTEL的CPU TDP還要高，己經達到15W了。
（放到IPAD PRO上功耗己經達20W，還是壓頻嚴重，實際放到mac mini 有風扇沒功耗牆，那來比壓頻嚴重的MacBook Pro 13"也會有佔優，而且還是用來比ARM最有優勢的Geekbench，而且Geekbench x86/arm 是不能直接比較）
最好比較就是用Xcode編釋時間，看相差多久。
SORA-TATA wrote:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96168&fbclid=IwAR1AmO9Clq9WUIe02-Uyb2hFwKuZpWWWw3_P-hornU_c2yD8X9chP1q0PCc
不找clang嗎?
另外看了原本的討論串
"It requires more or less a complete port (the amount of work depending on how divergent the ABI and/or ISA is/are from the ones currently supported by GCC). We haven't begun to poke at this seriously yet.
Using the assembler / linker from LLVM upstream or Xcode is presumably possible (in the same way that we can for X86 and PPC).
As Andrew says, it's a (IMO very) significant undertaking; to get a port into GCC11 would require the work to be complete and accepted by ≈ Dec 2020. Ideally, someone would work on it full-time for their day job to achieve that ;)
(of course, that won't stop us trying - but you should set expectations realistically - spare time work is unlikely to achieve GCC11)"
有緊急需求就用llvm...是說macOS不是很早就改用clang了嗎?裡面的gcc也是直接call clang不是?除非另外設定。
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