I'm confused. A 32 megabyte TLB is *huge*. TLB entries are tiny objects; and eac...

kazinator on April 14, 2022 | parent | context | favorite | on: Apple's M1 Ultra comes with a 32MB TLB bottleneck

I'm confused. A 32 megabyte TLB is huge. TLB entries are tiny objects; and each one caches the mapping for an entire VM page. The larger the page size, the more "leverage" the TLB has.

Maybe the blogger means that the TLB controls a VM working set or footprint of 32 MB?