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Bug 24494 – std.mmfile should take into account 256kb mapping in Windows kernel

Status: NEW
Severity: enhancement
Priority: P1
Component: phobos
Product: D
Version: D2
Platform: All
OS: Windows
Creation time: 2024-04-09T18:48:15Z
Last change time: 2024-12-01T16:42:25Z
Assigned to: No Owner
Creator: Richard (Rikki) Andrew Cattermole

Comments

Comment #0 by alphaglosined — 2024-04-09T18:48:15Z

As of Windows Internals 5, the cache manager will memory map on first read in 256kb chunks from a file into itself. std.mmfile does not mention this, nor takes advantage of this information. Instead preferring smaller amounts.

Comment #1 by robert.schadek — 2024-12-01T16:42:25Z

THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/phobos/issues/10547 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB