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Official ACME Performance Group /wiki/spaces/PERF/pages/114491519
Older obsolete pages collecting PE layouts which might be useful:
/wiki/spaces/PERF/pages/59736197
/wiki/spaces/CH/pages/49840182
Improved PE layouts for atm-only (FC5AV1C)
/wiki/spaces/CH/pages/80511392. This is a new (12/2016) effort to collect optimal layouts. Until it is complete, also check the many older/archived layout pages linked at the bottom of that page.
Background Reading:
Here is a list of webpages describing PE layouts. Please add more pages if you know of any I've missed:
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