* [PATCH][DOCS] Document make jobserver related changes for GCC 13.
@ 2022-08-18 11:33 Martin Liška
2022-08-18 20:53 ` Gerald Pfeifer
0 siblings, 1 reply; 3+ messages in thread
From: Martin Liška @ 2022-08-18 11:33 UTC (permalink / raw)
To: gcc-patches
Ready for master?
---
htdocs/gcc-13/changes.html | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
index 57bd8724..95fee90d 100644
--- a/htdocs/gcc-13/changes.html
+++ b/htdocs/gcc-13/changes.html
@@ -52,6 +52,15 @@ a work-in-progress.</p>
AddressSanitizer defaults to <code>detect_stack_use_after_return=1</code> on GNU/Linux targets.
For compatibility, it can be disabled with <code>env ASAN_OPTIONS=detect_stack_use_after_return=0</code>.
</li>
+ <li>
+ Link-time optimization improvements:
+ <ul>
+ <li>LTO supports the newly added GNU make's jobserver that uses named pipes (<code>--jobserver-style=fifo</code>)
+ by default.</li>
+ <li>If make's jobserver is active, parallel LTO WPA streaming communicates with it and so the streaming
+ does not lead to the system overcommitting.</li>
+ </ul>
+ </li>
</ul>
--
2.37.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][DOCS] Document make jobserver related changes for GCC 13.
2022-08-18 11:33 [PATCH][DOCS] Document make jobserver related changes for GCC 13 Martin Liška
@ 2022-08-18 20:53 ` Gerald Pfeifer
2022-08-22 9:24 ` Martin Liška
0 siblings, 1 reply; 3+ messages in thread
From: Gerald Pfeifer @ 2022-08-18 20:53 UTC (permalink / raw)
To: Martin Liška; +Cc: gcc-patches
On Thu, 18 Aug 2022, Martin Liška wrote:
> Ready for master?
Nearly. :)
> + Link-time optimization improvements:
> + <ul>
> + <li>LTO supports the newly added GNU make's jobserver that uses named pipes (<code>--jobserver-style=fifo</code>)
I believe that's just "GNU make" (instead of "GNU make's"), or maybe
"...the newly added jobserver of GNU make...".
Not 100% sure myself.
> + <li>If make's jobserver is active, parallel LTO WPA streaming
> communicates with it and so the streaming
> + does not lead to the system overcommitting.</li>
Might we be able to simplify this to something like
"...parallel LTO WPA streaming communicates with it and thus avoids
system overcommitting" ?
Just two minor points; the patch as such looks fine.
Thank you,
Gerald
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][DOCS] Document make jobserver related changes for GCC 13.
2022-08-18 20:53 ` Gerald Pfeifer
@ 2022-08-22 9:24 ` Martin Liška
0 siblings, 0 replies; 3+ messages in thread
From: Martin Liška @ 2022-08-22 9:24 UTC (permalink / raw)
To: Gerald Pfeifer; +Cc: gcc-patches
On 8/18/22 22:53, Gerald Pfeifer wrote:
> On Thu, 18 Aug 2022, Martin Liška wrote:
>> Ready for master?
>
> Nearly. :)
>
>> + Link-time optimization improvements:
>> + <ul>
>> + <li>LTO supports the newly added GNU make's jobserver that uses named pipes (<code>--jobserver-style=fifo</code>)
>
> I believe that's just "GNU make" (instead of "GNU make's"), or maybe
> "...the newly added jobserver of GNU make...".
>
> Not 100% sure myself.
>
>> + <li>If make's jobserver is active, parallel LTO WPA streaming
>> communicates with it and so the streaming
>> + does not lead to the system overcommitting.</li>
>
> Might we be able to simplify this to something like
>
> "...parallel LTO WPA streaming communicates with it and thus avoids
> system overcommitting" ?
>
>
> Just two minor points; the patch as such looks fine.
Thanks for the review, installed with your suggestions.
Martin
>
> Thank you,
> Gerald
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-08-18 20:53 ` Gerald Pfeifer
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