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Correct AMX ABI Implementation #824

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alheinecke opened this issue Oct 7, 2023 · 0 comments
Open

Correct AMX ABI Implementation #824

alheinecke opened this issue Oct 7, 2023 · 0 comments
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@alheinecke
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With the release of SPR the AMX ABI was slightly revised: tileconfig is neither callee-save nor caller-save. It has to be saved in the call stack, when it's changed. Right now the LIBXSMM assumes now other library/code in the current thread is using AMX. We need to adopt the it "has to be saved" strategy, potentially even introducing a flag the maintain the current behavior, to allow users to optimize tileconfig load/store.
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