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Bug#808902: marked as done (gcc bug)

Your message dated Thu, 29 Jun 2017 10:21:50 +0200
with message-id <a1568165-034d-3a4b-dd2f-1aedc53fe75b@debian.org>
and subject line Re: gcc bug
has caused the Debian Bug report #808902,
regarding gcc bug
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
808902: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=808902
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: gcc
Version : gcc (Debian 4.9.2-10) 4.9.2 or gcc (Debian 4.7.4-3) 4.7.4

when we use tcmalloc lib to malloc memory, we use gcc (Debian 4.7.4-3) 4.7.4  compiling the gperftools (version 2.1) and use gcc (Debian 4.9.2-10) 4.9.2 compiling the same version gperftools,
running on jessie (version 8.2) .
we can see the tcmalloc used gcc 4.9.2 get a very higher latency(more than 10 times) than tcmalloc with gcc 4.7.4-3.

we use tcmalloc lib with gcc 4.7.4-3 instead of tcmalloc lib with gcc 4.9.2 , the problem is solved.

The code is the same, why gcc 4.9.2-10 version is higher than gcc 4.7.4-3 ,but get the more latency ?

if u need any more infor pls tell me .

BRs

Yongsu 


--- End Message ---
--- Begin Message --- 
no feedback, closing issue.

--- End Message ---
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