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/gem5/tests/configs/
H A Dbase_config.pydiff 11501:9345c4320477 Fri May 27 12:05:00 EDT 2016 Stephan Diestelhorst <stephan.diestelhorst@arm.com> mem, config: Selective use of snoop filter

Disable the default snoop filter in the SystemXBar so that the
typical membus does not have a snoop filter by default. Instead,
add the snoop filter only when there are caches added to the system
(with the caches / l2cache options).

The underlying problem is that the snoop filter grows without
bounds (for now) if there are no caches to tell it that lines have
been evicted. This causes slow regression runs for all the atomic
regressions. This patch fixes this behaviour.
/gem5/configs/common/
H A DCacheConfig.pydiff 11501:9345c4320477 Fri May 27 12:05:00 EDT 2016 Stephan Diestelhorst <stephan.diestelhorst@arm.com> mem, config: Selective use of snoop filter

Disable the default snoop filter in the SystemXBar so that the
typical membus does not have a snoop filter by default. Instead,
add the snoop filter only when there are caches added to the system
(with the caches / l2cache options).

The underlying problem is that the snoop filter grows without
bounds (for now) if there are no caches to tell it that lines have
been evicted. This causes slow regression runs for all the atomic
regressions. This patch fixes this behaviour.

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