Dual-core & Parallel Compile Issues 2005-12-07 - By Bogdan Costescu
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On Wed, 7 Dec 2005, Arjan van de Ven wrote:
> with large -j you also tend to destroy cache content (eg each time gcc
> runs so many others have run before that the cache is cold), which
> causes maximum memory bandwidth use, which is the worst case for dual
> core.
Can using "-pipe" for the compiler help here, to avoid the extra
dirtying of caches by disk activity ?
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Bogdan Costescu
IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: Bogdan.Costescu@(protected)
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