Article View: pl.comp.lang.c
Article #309671Re: Dlaczego ten test nie działa
From: Piotr S.
Date: Thu, 12 Apr 2018 10:33
Date: Thu, 12 Apr 2018 10:33
29 lines
2085 bytes
2085 bytes
W dniu 2018-04-12 o 09:56, Maciek pisze:
>
> To jesteś mi w stanie wytumaczyć dlaczego poniższa funkcja nie działa:
>
> unsigned int a=0, b=0, c=0, d=0, result=0;
> unsigned int op_per_sec;
> std::clock_t c_before, c_after=0;
> c_before=std::clock();
> std::vector<unsigned int> vec(1000000);
> for(unsigned int i=0; i<100000000; ++i) {
> result = a+b+c+d;
> ++op_per_sec;
> c_after = std::clock();
> if((double(c_after - c_before)/CLOCKS_PER_SEC)>=1.0)
> std::cout<<"IN FUNCTION "<<__func__<<"OP PER SEC IS : "<<op_per_sec<<" \r";
> std::cout.flush();
> c_before = std::clock();
> op_per_sec = 0;
> }
> }
>
> konkretnie linia std::cout<<"IN FUNCTION "<<__func__<<"OP PER SEC IS : "<<op_per_sec<<" \r";
>
> nic mi nie wypisuje.
>
Może problemem jest instrukcja sterująca "if"?
P.S.
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.icm.edu.pl!.POSTED!not-for-mail From: "Piotr S." <sashxat@interia.pl> Newsgroups: pl.comp.lang.c Subject: Re: Dlaczego ten test nie działa Date: Thu, 12 Apr 2018 12:33:28 +0200 Organization: ICM, Uniwersytet Warszawski Lines: 29 Message-ID: <panclm$bf1$1@news.icm.edu.pl> References: <11e93e39-69fc-4ee2-8886-9d077c8026fb@googlegroups.com> <2750bf86-40ef-4907-90fd-89e8542c0183@googlegroups.com> <a6c0bdb8-b0e7-4628-a7d6-bf79907261a2@googlegroups.com> NNTP-Posting-Host: phb170.internetdsl.tpnet.pl Mime-Version: 1.0 X-Trace: news.icm.edu.pl 1523529206 11745 46.171.183.170 (12 Apr 2018 10:33:26 GMT) X-Complaints-To: usenet@news.icm.edu.pl NNTP-Posting-Date: Thu, 12 Apr 2018 10:33:26 +0000 (UTC) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 In-Reply-To: <a6c0bdb8-b0e7-4628-a7d6-bf79907261a2@googlegroups.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit