Since ORC tables are already sorted by sorttable tool, let us move
building of fast lookup table into sorttable tool too. This saves us
6380us from boot time under Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
with 64 cores.
Signed-off-by: Huaixin Chang
Signed-off-by: Shile Zhang
---
arch/x86/inclu
> On Jul 24, 2020, at 9:53 PM, Ingo Molnar wrote:
>
>
> * Huaixin Chang wrote:
>
>> Since orc tables are already sorted by sorttable tool, let us move
>> building of fast lookup table into sorttable tool too. This saves us
>> 6380us from boot time under Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.5
* Huaixin Chang wrote:
> Since orc tables are already sorted by sorttable tool, let us move
> building of fast lookup table into sorttable tool too. This saves us
> 6380us from boot time under Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
> with 64 cores.
Neat!
> +struct orc_sort_param {
> +
Since orc tables are already sorted by sorttable tool, let us move
building of fast lookup table into sorttable tool too. This saves us
6380us from boot time under Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
with 64 cores.
Signed-off-by: Huaixin Chang
Signed-off-by: Shile Zhang
---
scripts/sortta
Since orc tables are already sorted by sorttable tool, let us move
building of fast lookup table into sorttable tool too. This saves us
6380us from boot time under Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
with 64 cores.
Signed-off-by: Huaixin Chang
Signed-off-by: Shile Zhang
---
scripts/sortta
Since orc tables are already sorted by sorttable tool, let us move
building of fast lookup table into sorttable tool too. This saves us
6380us from boot time under Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
with 64 cores.
Signed-off-by: Huaixin Chang
Signed-off-by: Shile Zhang
---
scripts/sortta
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