On Thu, 19 Aug 2021 10:29:40 -0700, Paul E. McKenney wrote:
> On Thu, Aug 19, 2021 at 07:54:30PM +0900, Akira Yokosawa wrote:
>> Hello Zhouyi,
>>
>> On Thu, 19 Aug 2021 15:51:58 +0800, Zhouyi Zhou wrote:
>>> Hi Paul,
>>>
>>> I think there is a little grammer mistake in answer to quick quiz 10.8,
>>> I am not so sure because my English is not so well ;-)
>>>
>>> Thanks
>>> Zhouyi
>>>
>>> Signed-off-by: Zhouyi Zhou <zhouzhouyi@xxxxxxxxx>
>>> ---
>>> datastruct/datastruct.tex | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/datastruct/datastruct.tex b/datastruct/datastruct.tex
>>> index adb102d..68341f2 100644
>>> --- a/datastruct/datastruct.tex
>>> +++ b/datastruct/datastruct.tex
>>> @@ -963,1 +963,1 @@ not recommended for production use.
>>> In theory, it isn't any safer, and a useful exercise would be
>>> to run these programs on larger systems.
>>> In practice, there are a lot more systems with more than 28~CPUs
>>> - than there are systems with more than 448 CPUs.
>>
>> This can be parsed as follows:
>>
>> In practice, there are a lot more X than there are Y.
>>
>> , where
>>
>> X: systems with more than 28~CPUs
>> Y: systems with more than 448 CPUs
>>
>> So there is no grammatical error here.
>> Three uses of "than" in a sentence might be confusing, though.
>>
>> Paul might have an idea of a less-confusing sentence.
>
> Three "than"s in one sentence is a bit excessive, now that you guys
> mention it.
>
> How about this?
>
> In practice, there are a lot more 28-CPU systems than there are
> 448-CPU systems.
>
> I do not believe that the "more than"s are really adding much here.
Well, the question part reads:
> The dangers of extrapolating from 28 CPUs to 448 CPUs was made quite
> clear in Section 10.2.3. But why should extrapolating up from 448 CPUs be
> any safer?
So, the point is "extrapolating up from 448 CPUs".
Hence you used "more than"s in the answer, didn't you?
Thanks, Akira
>
> Thoughts?
>
> Thanx, Paul
>
>> Thanks, Akira
>>
>>> + are systems with more than 448 CPUs.
>>> In addition, other testing has shown that RCU read-side primitives
>>> offer consistent performance and scalability up to at least 1024 CPUs.
>>> }\QuickQuizEnd
>>>
