[PATCH] D128631: [AArch64] Initial sched model for Neoverse N2
dewen via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Aug 26 18:31:48 PDT 2022
dewen added inline comments.
================
Comment at: llvm/lib/Target/AArch64/AArch64SchedNeoverseN2.td:190
+ let NumMicroOps = 2;
+ let ResourceCycles = [5, 5];
+}
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dewen wrote:
> @c-rhodes Hi, I've been doing something similar lately. I do not understand ResourceCycles. I find that llvm-mca is used to calculate throughput. I do not see that this is used in other places. Do you know how ResourceCycles affect instruction scheduling?
@c-rhodes @dmgreen Excuse me, could you please answer my question?
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https://reviews.llvm.org/D128631
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