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update readme to reflect name changes of the Windows export library to mimalloc.dll.lib

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daanx 2025-01-13 15:32:52 -08:00
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# Windows Override
<span id="override_on_windows">Dynamically overriding on mimalloc on Windows</span>
is robust and has the particular advantage to be able to redirect all malloc/free calls
that go through the (dynamic) C runtime allocator, including those from other DLL's or
libraries. As it intercepts all allocation calls on a low level, it can be used reliably
on large programs that include other 3rd party components.
<span id="override_on_windows">We use a separate redirection DLL to override mimalloc on Windows</span>
such that we redirect all malloc/free calls that go through the (dynamic) C runtime allocator,
including those from other DLL's or libraries. As it intercepts all allocation calls on a low level,
it can be used reliably on large programs that include other 3rd party components.
There are four requirements to make the overriding work well:
1. Use the C-runtime library as a DLL (using the `/MD` or `/MDd` switch).
2. Link your program explicitly with the `mimalloc.lib` export library for
2. Link your program explicitly with the `mimalloc.dll.lib` export library for
the `mimalloc.dll` -- which contains all mimalloc functionality.
To ensure the `mimalloc.dll` is actually loaded at run-time it is easiest
to insert some call to the mimalloc API in the `main` function, like `mi_version()`