[FZH] [D] C库函数timer_create()参数问题

microcai microcai at fedoraproject.org
Fri May 13 02:21:17 UTC 2011


于 2011年05月13日 00:18, Guannan Ma 写道:
> If u use the CLOCK_MONOTONIC clock, the timer will not be affected by
> a system time change.
> Google some code ex.
> 

告诉他们干嘛,真是的。让他们研究算法去,干嘛来研究系统啊!分析 1MB 内存
情况下用最快的方法给 TB 级别的数据排序分组去。
算法研究好了,随便用什么语言,随便用什么系统都可以实现了嘛!
在这里问个鸡巴毛啊。
最不济,用 QBASIC 总可以了吧!

这可是 ACMer 对我说的,算法好才是真的好,就算不会写程序,慢慢折腾就会了
嘛~~~

去吧,算法帝~~~~

> 
> 2011/5/11 Caius 'kaio' Chance <kaio at fedoraproject.org>:
>> 息怒息怒~
>>
>> 2011/5/10 microcai <microcai at fedoraproject.org>
>>
>>> 于 2011年05月10日 18:11, ajax he 写道:
>>>> microcai这样说不妥吧,对ACMer有偏见?
>>> 不是偏见,他们本质如此。
>>>
>>>
>>>>
>>>> 在 2011年5月10日 下午2:14,microcai <microcai at fedoraproject.org>写道:
>>>>
>>>>> 于 2011年05月08日 23:33, cheng chen 写道:
>>>>>> 我在使用c语言库函数timer_create()的时候
>>>>>>
>>>>>> 第一个参数clockid有这样4个选择,
>>>>>>
>>>>>>       CLOCK_REALTIME(墙上时间)
>>>>>>              A settable system-wide real-time clock.
>>>>>>
>>>>>>       CLOCK_MONOTONIC
>>>>>>              A nonsettable monotonically increasing clock that measures
>>>>> time
>>>>>> from
>>>>>>              some unspecified point in the past that does not change
>>>>> after
>>>>>> system
>>>>>>              startup.
>>>>>>
>>>>>>       CLOCK_PROCESS_CPUTIME_ID (since Linux 2.6.12)(该进程的CPU时间)
>>>>>>              A clock that measures (user and system) CPU time consumed
>>> by
>>>>>> (all of
>>>>>>              the threads in) the calling process.
>>>>>>
>>>>>>       CLOCK_THREAD_CPUTIME_ID (since Linux 2.6.12)(该线程的CPU时间)
>>>>>>              A clock that measures (user and system) CPU time consumed
>>> by
>>>>>> the
>>>>>>              calling thread.
>>>>>>
>>>>>> manual上说的很短,其他都能理解,唯一不理解第二个时钟的使用。能否请大家帮忙讲解一下,谢谢。
>>>>>>
>>>>>> --
>>>>>> Cheng(誠)
>>>>>>
>>>>>
>>>>> ACM 的人也有不懂的啊?! 不是很厉害的么?都北大毕业的研究生么?
>>>>> 不是号称只要算法厉害,对系统的理解都是浮云么?
>>>>> _______________________________________________
>>>>> Chinese mailing list
>>>>> Chinese at lists.fedoraproject.org
>>>>> https://admin.fedoraproject.org/mailman/listinfo/chinese
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Chinese mailing list
>>>>> Chinese at lists.fedoraproject.org
>>>>> https://admin.fedoraproject.org/mailman/listinfo/chinese
>>>
>>> _______________________________________________
>>> Chinese mailing list
>>> Chinese at lists.fedoraproject.org
>>> https://admin.fedoraproject.org/mailman/listinfo/chinese
>>>
>>
>>
>>
>> --
>> Regards ☺ Caius 'kaio' Chance - Fedora Project Contributor
>> [Fedora] http://goo.gl/9WWWC | [IRC] kaio @ freenode | [Twitter] @K410 |
>> [Blog] kaio.net
>> _______________________________________________
>> Chinese mailing list
>> Chinese at lists.fedoraproject.org
>> https://admin.fedoraproject.org/mailman/listinfo/chinese
>>
> _______________________________________________
> Chinese mailing list
> Chinese at lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/chinese


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 490 bytes
Desc: OpenPGP digital signature
Url : http://lists.fedoraproject.org/pipermail/chinese/attachments/20110513/2729e379/attachment.bin 


More information about the Chinese mailing list