On Wed, Nov 16, 2022 at 2:13 PM Alexander Monakov
wrote:
>
> On Wed, 16 Nov 2022, Jan Hubička wrote:
>
> > This looks really promising. I will experiment with the patch for
> separate
> > znver3 model, but I think we should be able to keep
> > them unified and hopefully get both less code
On Wed, 16 Nov 2022, Jan Hubička wrote:
> This looks really promising. I will experiment with the patch for separate
> znver3 model, but I think we should be able to keep
> them unified and hopefully get both less code duplicatoin and table sizes.
Do you mean separate znver4 (not '3') model
Hello,
On Wed, Nov 16, 2022 at 12:53 PM Kumar, Venkataramanan <
venkataramanan.ku...@amd.com> wrote:
> [AMD Official Use Only - General]
>
> Hi,
>
>
> > Top znver table sizes in insn-automata.o:
> >
> > Before:
> >
> > 30056 r znver1_fp_min_issue_delay
> > 120224 r znver1_fp_transitions
>
>
> >
Monakov
>
> Subject: [PATCH 2/2] i386: correct x87 multiplication modeling in
> znver.md
>
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
> All multiplication instructions a
All multiplication instructions are fully pipelined, except AVX256
instructions on Zen 1, which issue over two cycles on a 128-bit unit.
Correct the model accordingly to reduce combinatorial explosion in
automaton tables.
Top znver table sizes in insn-automata.o:
Before:
30056 r
