[PATCH] D125747: [RISCV] Enable scalable vectorization by default for RVV

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

In D125747#3541849 <https://reviews.llvm.org/D125747#3541849>, @Miss_Grape wrote:

> In D125747#3518172 <https://reviews.llvm.org/D125747#3518172>, @craig.topper wrote:
>
>> Do you have any performance data?
>
> I use the TSCV test suit,  then run on the spike, 
> F23214515: image.png <https://reviews.llvm.org/F23214515>
>
> when option: -scalable-vectorization=on, the performance more better. But I'm not sure if the performance data from the spike run can be used as a standard to measure performance

Better than specifying -riscv-v-vector-bits-min to match the machine width?


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https://reviews.llvm.org/D125747