Belousov, Konstantin(2020年8月23日).“amd64 pmap: LA57 AKA 5-level paging”.FreeBSD Git repositories. The FreeBSD Project.2024年7月14日閲覧。“Since LA57 was moved to the main SDM document with revision 072,...” FreeBSDへLA57のサポートを追加するコミットログ。
しかし実際のところ、OS開発者はそのような事情を知っていてもアプリケーション開発者は知らないのが現実である。“5level-paging.txt”.2020年4月5日閲覧。“It's known that at least some JIT compilers use higher bits in pointers to encode their information. It collides with valid pointers with 5-level paging and leads to crashes.”
IBM Corporation(2007年9月6日).“IBM WebSphere Application Server 64-bit Performance Demystified”.p.14.2010年4月9日閲覧。“"Figures 5, 6 and 7 also show the 32-bit version of WAS runs applications at full native hardware performance on the POWER and x86-64 platforms. Unlike some 64-bit processor architectures, the POWER and x86-64 hardware does not emulate 32-bit mode. Therefore applications that do not benefit from 64-bit features can run with full performance on the 32-bit version of WebSphere running on the above mentioned 64-bit platforms."”
