From: Aleksandra Tsvetkova <astsvetk@gmail.com>
To: Ilya Enkovich <enkovich.gnu@gmail.com>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] New version of libmpx with new memmove wrapper
Date: Wed, 25 Nov 2015 15:54:00 -0000 [thread overview]
Message-ID: <CAGq4YfzRaShV7awo71T_8WahNqQFw0ud0WOTKj7ADavk6pwczw@mail.gmail.com> (raw)
In-Reply-To: <20151125154058.GA53196@msticlxl57.ims.intel.com>
I ran make check (paseed) and spec 2000, where 1 extra test(255.vortex) failed.
On Wed, Nov 25, 2015 at 6:41 PM, Aleksandra Tsvetkova
<astsvetk@gmail.com> wrote:
> gcc/testsuite/ChangeLog
> 2015-10-27 Tsvetkova Alexandra <aleksandra.tsvetkova@intel.com>
>
> * gcc.target/i386/mpx/memmove.c: New test for __mpx_wrapper_memmove.
>
> libmpx/ChangeLog
> 2015-10-28 Tsvetkova Alexandra <aleksandra.tsvetkova@intel.com>
>
> * mpxrt/Makefile.am (libmpx_la_LDFLAGS): Add -version-info option.
> * libmpxwrap/Makefile.am (libmpx_la_LDFLAGS): Likewise + includes fixed.
> * libmpx/Makefile.in: Regenerate.
> * mpxrt/Makefile.in: Regenerate.
> * libmpxwrap/Makefile.in: Regenerate.
> * mpxrt/libtool-version: New version.
> * libmpxwrap/libtool-version: Likewise.
> * mpxrt/libmpx.map: Add new version and a new symbol.
> * mpxrt/mpxrt.h: New file.
> * mpxrt/mpxrt.c (NUM_L1_BITS): Moved to mpxrt.h.
> (REG_IP_IDX): Moved to mpxrt.h.
> (REX_PREFIX): Moved to mpxrt.h.
> (XSAVE_OFFSET_IN_FPMEM): Moved to mpxrt.h.
> (MPX_L1_SIZE): Moved to mpxrt.h.
> * libmpxwrap/mpx_wrappers.c: (__mpx_wrapper_memmove): Rewritten.
> (mpx_pointer): New type.
> (mpx_bt_entry): New type.
> (alloc_bt): New function.
> (get_bt): New function.
> (copy_if_possible): New function.
> (copy_if_possible_from_end): New function.
> (move_bounds): New function.
>
> Memmove became 2 times slower on 8 bytes. On bigger lengths (>64 bytes) it became up to 3,5 times better with pointers, up to 21 times better without pointers.
next prev parent reply other threads:[~2015-11-25 15:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-05 10:38 Aleksandra Tsvetkova
2015-11-12 14:57 ` Ilya Enkovich
2015-11-23 19:51 ` Aleksandra Tsvetkova
2015-11-24 12:35 ` Ilya Enkovich
2015-11-25 15:43 ` Aleksandra Tsvetkova
2015-11-25 15:54 ` Aleksandra Tsvetkova [this message]
2015-11-26 10:49 ` Ilya Enkovich
2015-12-06 19:41 ` Aleksandra Tsvetkova
2015-12-07 16:00 ` Ilya Enkovich
2015-12-08 10:46 ` Aleksandra Tsvetkova
2015-12-08 10:54 ` Aleksandra Tsvetkova
2015-12-11 14:35 ` Ilya Enkovich
2016-01-20 13:20 ` Matthias Klose
2016-01-20 14:37 ` Ilya Enkovich
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