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liyunzhang commented on HIVE-18080:
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It seems after If expression is vectorized by AVX2 instructions.
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liyunzhang commented on HIVE-18080:
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I use vtune to see the assembly code of following code(If
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liyunzhang commented on HIVE-18080:
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[~gopalv]:
{{-prof perfasm}} depends
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liyunzhang commented on HIVE-18080:
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[~gopal]: using following command to run the
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Gopal V commented on HIVE-18080:
[~kellyzly]: If you're running this on a linux machine, can you please
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liyunzhang commented on HIVE-18080:
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the output of AVX1 will be uploaded later.
> Performance
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liyunzhang commented on HIVE-18080:
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[~gopalv]: use
{code}
java -XX:+UseSuperWord
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Gopal V commented on HIVE-18080:
[~kellyzly]: post the output for "-XX:PrintAssembly" so that we can
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liyunzhang commented on HIVE-18080:
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[~mmccline]: can you help see the issue? very thanks!
>
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liyunzhang commented on HIVE-18080:
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[~teddy.choi]: I retested
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liyunzhang commented on HIVE-18080:
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[~teddy.choi]: Can you help view it as you are familiar with the
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