<div dir="ltr"><div>Martijn,</div><div><br></div><div>Just a lone voice here, but I would opt for the best compression on the most platforms. As I am one of the people who always run FLAC at the placebo max compression, my vote will always be for best compression over any other resource use.<br></div><div><br></div><div>I also can make ARMv7 hardware available to you or I can do any testing you want on a number of machines. <br></div><div><br></div><div>Thank you for your work!</div><div><br></div><div>Cheers,</div><div>David<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 25, 2021 at 3:48 AM Martijn van Beurden <<a href="mailto:mvanb1@gmail.com">mvanb1@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Op do 24 jun. 2021 om 09:17 schreef Martijn van Beurden <<a href="mailto:mvanb1@gmail.com" target="_blank">mvanb1@gmail.com</a>>:<br>
> - Switch to autoc[] as doubles, but remove current SSE and disable VSX<br>
> intrinsics for someone to update them later (I don't have any POWER8<br>
> or POWER9 hardware to test). This means all platforms will get the<br>
> same compression, but some (with only SSE but not SSE2 or with VSX)<br>
> will see a large slowdown.<br>
<br>
I see now that besides routines with SSE intrinsics (which I rewrote<br>
into SSE2) and with VSX intrinsics (which I don't have hardware for)<br>
there is also a open pull request for routines with ARM intrinsics. I<br>
am willing and able to rewrite those if this change is accepted and<br>
merged. I have access to ARMv8 with 32-bit OS, ARMv8 with 64-bit OS,<br>
ARMv6 and I might be able to get hold of ARMv7 hardware.<br>
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