Hi Elad,
Thanks very much for your time and clarification!
Best Regards
Nan Xiao
On Mon, Nov 11, 2024 at 8:05 PM Elad Lahav wrote:
>
> > Machine-sized means smaller than or equal to sizeof(long).
> >
> > Take a look at the implementation of WRITE_ONCE or READ_ONCE of linux.
>
> That is not nece
> Machine-sized means smaller than or equal to sizeof(long).
>
> Take a look at the implementation of WRITE_ONCE or READ_ONCE of linux.
That is not necessarily true. What sizes and alignments are guaranteed
to be atomic for access (i.e., writing a value to a memory location
results in everyone see
Hi Alan,
> Machine-sized means smaller than or equal to sizeof(long).
Got it, thanks very much for your help!
Best Regards
Nan Xiao
On Mon, Nov 11, 2024 at 5:38 PM Alan Huang wrote:
>
> On Nov 11, 2024, at 17:30, Nan Xiao wrote:
> >
> > Hi Alan and Akira,
> >
> > Thanks very much for your answ
On Nov 11, 2024, at 17:30, Nan Xiao wrote:
>
> Hi Alan and Akira,
>
> Thanks very much for your answers! I have another question from
> "4.3.4.2 A Volatile Solution". In this section, it mentions:
>
> 1. Implementations are forbidden from tearing an aligned volatile
> access when machine inst
Hi Alan and Akira,
Thanks very much for your answers! I have another question from
"4.3.4.2 A Volatile Solution". In this section, it mentions:
1. Implementations are forbidden from tearing an aligned volatile
access when machine instructions of that access’s size and type are
available. .
On Mon, 11 Nov 2024 15:45:22 +0800, Nan Xiao wrote:
> Hello,
>
> Greetings from me!
Hi!
>
> I am reading "4.3.4.2 A Volatile Solution" of perfbook, and come
> across following summary:
>
> To summarize, the volatile keyword can prevent load tearing and
> store tearing in cases where the lo
On Nov 11, 2024, at 15:45, Nan Xiao wrote:
>
> Hello,
>
> Greetings from me!
>
> I am reading "4.3.4.2 A Volatile Solution" of perfbook, and come
> across following summary:
>
>To summarize, the volatile keyword can prevent load tearing and
> store tearing in cases where the loads and stor
