Revert "Revert "Optimzations for 4.10""

This reverts commit 156919bae81a981d664356e61b9b6d3408d16387.
Revert "Revert "Switch to a15 instead of a9""

This reverts commit 93d46a2305d943204a9adee421359047ecef57f5.
Revert "Revert "a5 to a15""

This reverts commit 5d2b3870bb8be01752f5b2cbdfae1f2b9a004369.
Revert "a5 to a15"

This reverts commit 8b0a429049effd25beca8c3621a7cf7b53f8d76a.
Revert "Switch to a15 instead of a9"

This reverts commit aa59600f4a7b7af582680b19e3ada1f86ae95516.
Revert "Optimzations for 4.10"

This reverts commit e61c46ee469fc74c2e86462638a9639d3441595a.