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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2023-06-04 16:25:55 +0200 |
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| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2023-06-04 16:25:55 +0200 |
| commit | 22466535f1b9cbe1bd98363cfa98f7f796bc408a (patch) | |
| tree | 7ee1c59af8e16b57953a86f8837fe465e418f60a /doc/html/Source Code.html | |
| parent | 3c68349a39877c5420c727cd53143ab442963759 (diff) | |
| download | VeraCrypt-22466535f1b9cbe1bd98363cfa98f7f796bc408a.tar.gz VeraCrypt-22466535f1b9cbe1bd98363cfa98f7f796bc408a.zip | |
Windows: Possible workaround for logarithmic slowdown for Encrypt-In-Place on large volumes (relates to #1063)
We replace absolute file pointer moving by relative moving with respect to current position. This was implemented as a workaround to address the performance issues related to in-place encryption. When using SetFilePointerEx() with FILE_BEGIN as the reference point, reaching the end of large drives during in-place encryption can cause significant slowdowns. By moving the file pointer relatively, these performance issues are mitigated.
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