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<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
color:navy'>哦，</span></font><font size=1 color=navy face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:navy'> </span></font><font
size=1 color=navy><span style='font-size:9.0pt;color:navy'>谢谢。</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial;color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
color:navy'>那看来计算部分还是用</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>C</span></font><font
size=1 color=navy><span style='font-size:9.0pt;color:navy'>写吧</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial;color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
china-pm-bounces+bruce1914=gmail.com@pm.org
[mailto:china-pm-bounces+bruce1914=gmail.com@pm.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>katkat lim<br>
<b><span style='font-weight:bold'>Sent:</span></b> 2008</span></font><font
size=2><span style='font-size:10.0pt'>年</span></font><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>10</span></font><font
size=2><span style='font-size:10.0pt'>月</span></font><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>13</span></font><font
size=2><span style='font-size:10.0pt'>日</span></font><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma'> 12:40<br>
<b><span style='font-weight:bold'>To:</span></b> china-pm@pm.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [PerlChina] Perl</span></font><font
size=2><span style='font-size:10.0pt'>的算数运算效率</span></font><span lang=EN-US><o:p></o:p></span></p>
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<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3 face=宋体><span
style='font-size:12.0pt'>看看<span lang=EN-US>CPAN</span>上有没有对应的模块吧，用<span
lang=EN-US>perl</span>写大量计算不是很靠谱。<span lang=EN-US><o:p></o:p></span></span></font></p>
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<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'>2008/10/13
agentzh <<a href="mailto:agentzh@gmail.com">agentzh@gmail.com</a>><o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'>2008/10/13
bruce <<a href="mailto:bruce1914@gmail.com" target="_blank">bruce1914@gmail.com</a>>
<o:p></o:p></span></font></p>
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<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;
margin-left:4.8pt;margin-right:0cm'>
<p class=MsoNormal><font size=3 face=宋体><span style='font-size:12.0pt'>请问有没有人比较过<span
lang=EN-US>Perl</span>的算数运算和<span lang=EN-US>C</span>语言的算数运算效率<span lang=EN-US>?<o:p></o:p></span></span></font></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3 face=宋体><span
lang=EN-US style='font-size:12.0pt'><br>
</span>不太具有可比性吧？呵呵<span lang=EN-US><o:p></o:p></span></font></p>
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margin-left:4.8pt;margin-right:0cm'>
<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'><br>
</span>特别是这几个运算<span lang=EN-US> : + - * /
</span>次方<span lang=EN-US> </span>开方<span lang=EN-US> </span>和<span
lang=EN-US> </span>取对数<span lang=EN-US><br>
<br>
</span>我用<span lang=EN-US>Perl</span>写了一个程序 需要大量的计算 但是速度不太满意<span lang=EN-US>
</span>不知道如果改用<span lang=EN-US>C</span>来写会好多少？<span lang=EN-US><o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'><br>
</span>根据经验，少得一个数量级，多则两到三个数量级。应该会好不止一点点，呵呵。<span lang=EN-US><br>
<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'>-agentzh<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face=宋体><span lang=EN-US style='font-size:12.0pt'><br>
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