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GCC e Inteligenza Artificiale
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mack1
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Joined: 18 Mar 2006
Posts: 315
PostPosted: Thu Jul 03, 2008 11:58 am    Post subject: GCC e Inteligenza Artificiale Reply with quote
Ciao oggi spulciando le notizie mi sono imbattuto in questa:

http://mobile.slashdot.org/mobile/08/07/02/1539252.shtml

http://www.milepost.eu/

http://gcc-ici.sourceforge.net/

Cosa ne pensate, è credibile che abbiano aumentato le performance del 10% di GCC con un solo mese di lavoro su quel tipo di progetto?

Ciao
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riverdragon
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Joined: 14 Sep 2006
Posts: 1269
Location: Verona
PostPosted: Thu Jul 03, 2008 12:29 pm    Post subject: Reply with quote
Ma hanno aumentato le performance di GCC (compilazione più veloce) o degli eseguibili che produce (esecuzione più veloce)?
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mack1
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Joined: 18 Mar 2006
Posts: 315
PostPosted: Thu Jul 03, 2008 2:31 pm    Post subject: Reply with quote
Ma il loro scopo è quello di avere uno strumento che "autoapprenda" quali sono le migliori ottimizzazioni per l'hardware:

Quote:

Tuning hardwired compiler optimizations for rapidly
evolving hardware makes porting an optimizing com-
piler for each new platform extremely challenging. Our
radical approach is to develop a modular, extensible,
self-optimizing compiler that automatically learns the
best optimization heuristics based on the behavior of the
platform. In this paper we describe MILEPOST
a machine-learning-based compiler that automatically
adjusts its optimization heuristics to improve the exe-
cution time, code size, or compilation time of specific
programs on different architectures. Our preliminary
experimental results show that it is possible to consider-
ably reduce execution time of the MiBench benchmark
suite on a range of platforms entirely automatically.


Parlano di miglioramenti sia dal punto di vista degli eseguibili che del tempo di compilazione:

http://midatasets.sourceforge.net/papers/fmtp2008.pdf

Ciao
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