* [PATCH] x86_64: Document libmvec vector functions accuracy [BZ #28766]
@ 2022-01-18 17:33 Sunil K Pandey
2022-01-19 10:46 ` Paul Zimmermann
0 siblings, 1 reply; 4+ messages in thread
From: Sunil K Pandey @ 2022-01-18 17:33 UTC (permalink / raw)
To: libc-alpha; +Cc: hjl.tools, andrey.kolesov, marius.cornea
Document maximum 4 ulps accuracy for x86_64 libmvec functions.
This fixes BZ #28766.
---
manual/math.texi | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/manual/math.texi b/manual/math.texi
index e00871c303..53b196bb6d 100644
--- a/manual/math.texi
+++ b/manual/math.texi
@@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different
architectures have different results since their hardware support for
floating-point operations varies and also the existing hardware support
is different. Only the round-to-nearest rounding mode is covered by
-this table, and vector versions of functions are not covered.
-Functions not listed do not have known errors.
+this table. Functions not listed do not have known errors. Vector
+versions of functions in x86_64 libmvec library have the maximum error
+of 4ulps.
@page
@c This multitable does not fit on a single page
--
2.34.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] x86_64: Document libmvec vector functions accuracy [BZ #28766]
2022-01-18 17:33 [PATCH] x86_64: Document libmvec vector functions accuracy [BZ #28766] Sunil K Pandey
@ 2022-01-19 10:46 ` Paul Zimmermann
2022-01-19 15:43 ` [PATCH v2] " Sunil K Pandey
0 siblings, 1 reply; 4+ messages in thread
From: Paul Zimmermann @ 2022-01-19 10:46 UTC (permalink / raw)
To: Sunil K Pandey; +Cc: libc-alpha, andrey.kolesov, marius.cornea
Dear Sunil,
> Date: Tue, 18 Jan 2022 09:33:08 -0800
> From: Sunil K Pandey via Libc-alpha <libc-alpha@sourceware.org>
> Cc: andrey.kolesov@intel.com, marius.cornea@intel.com
>
> Document maximum 4 ulps accuracy for x86_64 libmvec functions.
> This fixes BZ #28766.
> ---
> manual/math.texi | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/manual/math.texi b/manual/math.texi
> index e00871c303..53b196bb6d 100644
> --- a/manual/math.texi
> +++ b/manual/math.texi
> @@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different
> architectures have different results since their hardware support for
> floating-point operations varies and also the existing hardware support
> is different. Only the round-to-nearest rounding mode is covered by
> -this table, and vector versions of functions are not covered.
> -Functions not listed do not have known errors.
> +this table. Functions not listed do not have known errors. Vector
> +versions of functions in x86_64 libmvec library have the maximum error
> +of 4ulps.
>
> @page
> @c This multitable does not fit on a single page
> --
> 2.34.1
looks good to me, with two small editorial changes:
Vector versions of functions in *the* x86_64 libmvec library have *a*
maximum error of 4 ulps.
Thanks!
Paul
^ permalink raw reply [flat|nested] 4+ messages in thread* [PATCH v2] x86_64: Document libmvec vector functions accuracy [BZ #28766]
2022-01-19 10:46 ` Paul Zimmermann
@ 2022-01-19 15:43 ` Sunil K Pandey
2022-01-19 15:50 ` Paul Zimmermann
0 siblings, 1 reply; 4+ messages in thread
From: Sunil K Pandey @ 2022-01-19 15:43 UTC (permalink / raw)
To: libc-alpha; +Cc: hjl.tools, andrey.kolesov, marius.cornea
Document maximum 4 ulps accuracy for x86_64 libmvec functions.
This fixes BZ #28766.
---
manual/math.texi | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/manual/math.texi b/manual/math.texi
index e00871c303..477a18b6d1 100644
--- a/manual/math.texi
+++ b/manual/math.texi
@@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different
architectures have different results since their hardware support for
floating-point operations varies and also the existing hardware support
is different. Only the round-to-nearest rounding mode is covered by
-this table, and vector versions of functions are not covered.
-Functions not listed do not have known errors.
+this table. Functions not listed do not have known errors. Vector
+versions of functions in the x86_64 libmvec library have a maximum error
+of 4 ulps.
@page
@c This multitable does not fit on a single page
--
2.34.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] x86_64: Document libmvec vector functions accuracy [BZ #28766]
2022-01-19 15:43 ` [PATCH v2] " Sunil K Pandey
@ 2022-01-19 15:50 ` Paul Zimmermann
0 siblings, 0 replies; 4+ messages in thread
From: Paul Zimmermann @ 2022-01-19 15:50 UTC (permalink / raw)
To: Sunil K Pandey; +Cc: libc-alpha, andrey.kolesov, marius.cornea
Dear Sunil,
looks good to me. Thanks.
Paul
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
> Date: Wed, 19 Jan 2022 07:43:48 -0800
> From: Sunil K Pandey via Libc-alpha <libc-alpha@sourceware.org>
> Cc: andrey.kolesov@intel.com, marius.cornea@intel.com
>
> Document maximum 4 ulps accuracy for x86_64 libmvec functions.
> This fixes BZ #28766.
> ---
> manual/math.texi | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/manual/math.texi b/manual/math.texi
> index e00871c303..477a18b6d1 100644
> --- a/manual/math.texi
> +++ b/manual/math.texi
> @@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different
> architectures have different results since their hardware support for
> floating-point operations varies and also the existing hardware support
> is different. Only the round-to-nearest rounding mode is covered by
> -this table, and vector versions of functions are not covered.
> -Functions not listed do not have known errors.
> +this table. Functions not listed do not have known errors. Vector
> +versions of functions in the x86_64 libmvec library have a maximum error
> +of 4 ulps.
>
> @page
> @c This multitable does not fit on a single page
> --
> 2.34.1
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-01-19 15:50 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-18 17:33 [PATCH] x86_64: Document libmvec vector functions accuracy [BZ #28766] Sunil K Pandey
2022-01-19 10:46 ` Paul Zimmermann
2022-01-19 15:43 ` [PATCH v2] " Sunil K Pandey
2022-01-19 15:50 ` Paul Zimmermann
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).