By: Jouni Osmala (josmala.delete@this.cc.hut.fi), March 5, 2015 2:13 pm
Room: Moderated Discussions
Ronald Maas (rmaas.delete@this.wiwo.nl) on March 5, 2015 8:01 am wrote:
> ARM published the Cortex-A72 Technical Reference Manual. Somewhat surprisingly both cores use the exact same
> high-level architecture: 3-wide instruction decoder, 8 pipelines and same L1+ L2 cache configuration.
>
> Only differences I could find between A72 and A57:
> 1) Supports 4 MB L2 cache size (configurable)
> 2) Automatic hardware prefetcher that generates prefetches targeting the L1D cache and the L2 cache
L2 replacement policy option for pseudo LRU instead of speudo random and increased L2 fill/eviction queues.
> ARM published the Cortex-A72 Technical Reference Manual. Somewhat surprisingly both cores use the exact same
> high-level architecture: 3-wide instruction decoder, 8 pipelines and same L1+ L2 cache configuration.
>
> Only differences I could find between A72 and A57:
> 1) Supports 4 MB L2 cache size (configurable)
> 2) Automatic hardware prefetcher that generates prefetches targeting the L1D cache and the L2 cache
L2 replacement policy option for pseudo LRU instead of speudo random and increased L2 fill/eviction queues.