public inbox for libc-alpha@sourceware.org
 help / color / mirror / Atom feed
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Noah Goldstein <goldstein.w.n@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>,
	"Carlos O'Donell" <carlos@systemhalted.org>
Subject: Re: [PATCH v1 11/23] x86: Remove strspn-sse2.S and use the generic implementation
Date: Thu, 24 Mar 2022 11:57:48 -0700	[thread overview]
Message-ID: <CAMe9rOp89e_1T9+i0W3=R3XR8DHp_Ua72x+poB6HQvE1q6b0MQ@mail.gmail.com> (raw)
In-Reply-To: <20220323215734.3927131-11-goldstein.w.n@gmail.com>

On Wed, Mar 23, 2022 at 3:01 PM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
>
> The generic implementation is faster.
>
> geometric_mean(N=20) of all benchmarks New / Original: .710
>
> All string/memory tests pass.
> ---
> Geomtric Mean N=20 runs; All functions page aligned
> len, align1, align2,  pos, New Time / Old Time
>   1,      0,      0,  512,               0.824
>   1,      1,      0,  512,               1.018
>   1,      0,      1,  512,               0.986
>   1,      1,      1,  512,               1.092
>   2,      0,      0,  512,                0.86
>   2,      2,      0,  512,               0.868
>   2,      0,      2,  512,               0.858
>   2,      2,      2,  512,               0.857
>   3,      0,      0,  512,               0.836
>   3,      3,      0,  512,               0.849
>   3,      0,      3,  512,                0.84
>   3,      3,      3,  512,                0.85
>   4,      0,      0,  512,               0.843
>   4,      4,      0,  512,               0.837
>   4,      0,      4,  512,               0.835
>   4,      4,      4,  512,               0.846
>   5,      0,      0,  512,               0.852
>   5,      5,      0,  512,               0.848
>   5,      0,      5,  512,                0.85
>   5,      5,      5,  512,                0.85
>   6,      0,      0,  512,               0.853
>   6,      6,      0,  512,               0.855
>   6,      0,      6,  512,               0.853
>   6,      6,      6,  512,               0.853
>   7,      0,      0,  512,               0.857
>   7,      7,      0,  512,               0.861
>   7,      0,      7,  512,                0.94
>   7,      7,      7,  512,               0.856
>   8,      0,      0,  512,               0.927
>   8,      0,      8,  512,               0.965
>   9,      0,      0,  512,               0.967
>   9,      1,      0,  512,               0.976
>   9,      0,      9,  512,               0.887
>   9,      1,      9,  512,               0.881
>  10,      0,      0,  512,               0.853
>  10,      2,      0,  512,               0.846
>  10,      0,     10,  512,               0.855
>  10,      2,     10,  512,               0.849
>  11,      0,      0,  512,               0.854
>  11,      3,      0,  512,               0.855
>  11,      0,     11,  512,                0.85
>  11,      3,     11,  512,               0.854
>  12,      0,      0,  512,               0.864
>  12,      4,      0,  512,               0.864
>  12,      0,     12,  512,               0.867
>  12,      4,     12,  512,                0.87
>  13,      0,      0,  512,               0.853
>  13,      5,      0,  512,               0.841
>  13,      0,     13,  512,               0.837
>  13,      5,     13,  512,                0.85
>  14,      0,      0,  512,               0.838
>  14,      6,      0,  512,               0.842
>  14,      0,     14,  512,               0.818
>  14,      6,     14,  512,               0.845
>  15,      0,      0,  512,               0.799
>  15,      7,      0,  512,               0.847
>  15,      0,     15,  512,               0.787
>  15,      7,     15,  512,                0.84
>  16,      0,      0,  512,               0.824
>  16,      0,     16,  512,               0.827
>  17,      0,      0,  512,               0.817
>  17,      1,      0,  512,               0.823
>  17,      0,     17,  512,                0.82
>  17,      1,     17,  512,               0.814
>  18,      0,      0,  512,                0.81
>  18,      2,      0,  512,               0.833
>  18,      0,     18,  512,               0.811
>  18,      2,     18,  512,               0.842
>  19,      0,      0,  512,               0.823
>  19,      3,      0,  512,               0.818
>  19,      0,     19,  512,               0.821
>  19,      3,     19,  512,               0.824
>  20,      0,      0,  512,               0.814
>  20,      4,      0,  512,               0.818
>  20,      0,     20,  512,               0.806
>  20,      4,     20,  512,               0.802
>  21,      0,      0,  512,               0.835
>  21,      5,      0,  512,               0.839
>  21,      0,     21,  512,               0.842
>  21,      5,     21,  512,                0.82
>  22,      0,      0,  512,               0.824
>  22,      6,      0,  512,               0.831
>  22,      0,     22,  512,               0.819
>  22,      6,     22,  512,               0.824
>  23,      0,      0,  512,               0.816
>  23,      7,      0,  512,               0.856
>  23,      0,     23,  512,               0.808
>  23,      7,     23,  512,               0.848
>  24,      0,      0,  512,                0.88
>  24,      0,     24,  512,               0.846
>  25,      0,      0,  512,               0.929
>  25,      1,      0,  512,               0.917
>  25,      0,     25,  512,               0.884
>  25,      1,     25,  512,               0.859
>  26,      0,      0,  512,               0.919
>  26,      2,      0,  512,               0.867
>  26,      0,     26,  512,               0.914
>  26,      2,     26,  512,               0.845
>  27,      0,      0,  512,               0.919
>  27,      3,      0,  512,               0.864
>  27,      0,     27,  512,               0.917
>  27,      3,     27,  512,               0.847
>  28,      0,      0,  512,               0.905
>  28,      4,      0,  512,               0.896
>  28,      0,     28,  512,               0.898
>  28,      4,     28,  512,               0.871
>  29,      0,      0,  512,               0.911
>  29,      5,      0,  512,                0.91
>  29,      0,     29,  512,               0.905
>  29,      5,     29,  512,               0.884
>  30,      0,      0,  512,               0.907
>  30,      6,      0,  512,               0.802
>  30,      0,     30,  512,               0.906
>  30,      6,     30,  512,               0.818
>  31,      0,      0,  512,               0.907
>  31,      7,      0,  512,               0.821
>  31,      0,     31,  512,                0.89
>  31,      7,     31,  512,               0.787
>   4,      0,      0,   32,               0.623
>   4,      1,      0,   32,               0.606
>   4,      0,      1,   32,                 0.6
>   4,      1,      1,   32,               0.603
>   4,      0,      0,   64,               0.731
>   4,      2,      0,   64,               0.733
>   4,      0,      2,   64,               0.734
>   4,      2,      2,   64,               0.755
>   4,      0,      0,  128,               0.822
>   4,      3,      0,  128,               0.873
>   4,      0,      3,  128,                0.89
>   4,      3,      3,  128,               0.907
>   4,      0,      0,  256,               0.827
>   4,      4,      0,  256,               0.811
>   4,      0,      4,  256,               0.794
>   4,      4,      4,  256,               0.814
>   4,      5,      0,  512,               0.841
>   4,      0,      5,  512,               0.831
>   4,      5,      5,  512,               0.845
>   4,      0,      0, 1024,               0.861
>   4,      6,      0, 1024,               0.857
>   4,      0,      6, 1024,                 0.9
>   4,      6,      6, 1024,               0.861
>   4,      0,      0, 2048,               0.879
>   4,      7,      0, 2048,               0.875
>   4,      0,      7, 2048,               0.883
>   4,      7,      7, 2048,                0.88
>  10,      1,      0,   64,               0.747
>  10,      1,      1,   64,               0.743
>  10,      2,      0,   64,               0.732
>  10,      2,      2,   64,               0.729
>  10,      3,      0,   64,               0.747
>  10,      3,      3,   64,               0.733
>  10,      4,      0,   64,                0.74
>  10,      4,      4,   64,               0.751
>  10,      5,      0,   64,               0.735
>  10,      5,      5,   64,               0.746
>  10,      6,      0,   64,               0.735
>  10,      6,      6,   64,               0.733
>  10,      7,      0,   64,               0.734
>  10,      7,      7,   64,                0.74
>   6,      0,      0,    0,               0.377
>   6,      0,      0,    1,               0.369
>   6,      0,      1,    1,               0.383
>   6,      0,      0,    2,               0.391
>   6,      0,      2,    2,               0.394
>   6,      0,      0,    3,               0.416
>   6,      0,      3,    3,               0.411
>   6,      0,      0,    4,               0.475
>   6,      0,      4,    4,               0.483
>   6,      0,      0,    5,               0.473
>   6,      0,      5,    5,               0.476
>   6,      0,      0,    6,               0.459
>   6,      0,      6,    6,               0.445
>   6,      0,      0,    7,               0.433
>   6,      0,      7,    7,               0.432
>   6,      0,      0,    8,               0.492
>   6,      0,      8,    8,               0.494
>   6,      0,      0,    9,               0.476
>   6,      0,      9,    9,               0.483
>   6,      0,      0,   10,                0.46
>   6,      0,     10,   10,               0.476
>   6,      0,      0,   11,               0.463
>   6,      0,     11,   11,               0.463
>   6,      0,      0,   12,               0.511
>   6,      0,     12,   12,               0.515
>   6,      0,      0,   13,               0.506
>   6,      0,     13,   13,               0.536
>   6,      0,      0,   14,               0.496
>   6,      0,     14,   14,               0.484
>   6,      0,      0,   15,               0.473
>   6,      0,     15,   15,               0.475
>   6,      0,      0,   16,               0.534
>   6,      0,     16,   16,               0.534
>   6,      0,      0,   17,               0.525
>   6,      0,     17,   17,               0.523
>   6,      0,      0,   18,               0.522
>   6,      0,     18,   18,               0.524
>   6,      0,      0,   19,               0.512
>   6,      0,     19,   19,               0.514
>   6,      0,      0,   20,               0.535
>   6,      0,     20,   20,                0.54
>   6,      0,      0,   21,               0.543
>   6,      0,     21,   21,               0.536
>   6,      0,      0,   22,               0.542
>   6,      0,     22,   22,               0.542
>   6,      0,      0,   23,               0.529
>   6,      0,     23,   23,                0.53
>   6,      0,      0,   24,               0.596
>   6,      0,     24,   24,               0.589
>   6,      0,      0,   25,               0.583
>   6,      0,     25,   25,                0.58
>   6,      0,      0,   26,               0.574
>   6,      0,     26,   26,                0.58
>   6,      0,      0,   27,               0.575
>   6,      0,     27,   27,               0.558
>   6,      0,      0,   28,               0.606
>   6,      0,     28,   28,               0.606
>   6,      0,      0,   29,               0.589
>   6,      0,     29,   29,               0.595
>   6,      0,      0,   30,               0.592
>   6,      0,     30,   30,               0.585
>   6,      0,      0,   31,               0.585
>   6,      0,     31,   31,               0.579
>   6,      0,      0,   32,               0.625
>   6,      0,     32,   32,               0.615
>   6,      0,      0,   33,               0.615
>   6,      0,     33,   33,                0.61
>   6,      0,      0,   34,               0.604
>   6,      0,     34,   34,                 0.6
>   6,      0,      0,   35,               0.602
>   6,      0,     35,   35,               0.608
>   6,      0,      0,   36,               0.644
>   6,      0,     36,   36,               0.644
>   6,      0,      0,   37,               0.658
>   6,      0,     37,   37,               0.651
>   6,      0,      0,   38,               0.644
>   6,      0,     38,   38,               0.649
>   6,      0,      0,   39,               0.626
>   6,      0,     39,   39,               0.632
>   6,      0,      0,   40,               0.662
>   6,      0,     40,   40,               0.661
>   6,      0,      0,   41,               0.656
>   6,      0,     41,   41,               0.655
>   6,      0,      0,   42,               0.643
>   6,      0,     42,   42,               0.637
>   6,      0,      0,   43,               0.622
>   6,      0,     43,   43,               0.628
>   6,      0,      0,   44,               0.673
>   6,      0,     44,   44,               0.687
>   6,      0,      0,   45,               0.661
>   6,      0,     45,   45,               0.659
>   6,      0,      0,   46,               0.657
>   6,      0,     46,   46,               0.653
>   6,      0,      0,   47,               0.658
>   6,      0,     47,   47,                0.65
>   6,      0,      0,   48,               0.678
>   6,      0,     48,   48,               0.683
>   6,      0,      0,   49,               0.676
>   6,      0,     49,   49,               0.661
>   6,      0,      0,   50,               0.672
>   6,      0,     50,   50,               0.662
>   6,      0,      0,   51,               0.656
>   6,      0,     51,   51,               0.659
>   6,      0,      0,   52,               0.682
>   6,      0,     52,   52,               0.686
>   6,      0,      0,   53,                0.67
>   6,      0,     53,   53,               0.674
>   6,      0,      0,   54,               0.663
>   6,      0,     54,   54,               0.675
>   6,      0,      0,   55,               0.662
>   6,      0,     55,   55,               0.665
>   6,      0,      0,   56,               0.681
>   6,      0,     56,   56,               0.697
>   6,      0,      0,   57,               0.686
>   6,      0,     57,   57,               0.687
>   6,      0,      0,   58,               0.701
>   6,      0,     58,   58,               0.693
>   6,      0,      0,   59,               0.709
>   6,      0,     59,   59,               0.698
>   6,      0,      0,   60,               0.708
>   6,      0,     60,   60,               0.708
>   6,      0,      0,   61,               0.709
>   6,      0,     61,   61,               0.716
>   6,      0,      0,   62,               0.709
>   6,      0,     62,   62,               0.707
>   6,      0,      0,   63,               0.703
>   6,      0,     63,   63,               0.716
>
>  .../{strspn-sse2.S => strspn-sse2.c}          |   8 +-
>  sysdeps/x86_64/strspn.S                       | 112 ------------------
>  2 files changed, 4 insertions(+), 116 deletions(-)
>  rename sysdeps/x86_64/multiarch/{strspn-sse2.S => strspn-sse2.c} (86%)
>  delete mode 100644 sysdeps/x86_64/strspn.S
>
> diff --git a/sysdeps/x86_64/multiarch/strspn-sse2.S b/sysdeps/x86_64/multiarch/strspn-sse2.c
> similarity index 86%
> rename from sysdeps/x86_64/multiarch/strspn-sse2.S
> rename to sysdeps/x86_64/multiarch/strspn-sse2.c
> index e0a095f25a..61cc6cb0a5 100644
> --- a/sysdeps/x86_64/multiarch/strspn-sse2.S
> +++ b/sysdeps/x86_64/multiarch/strspn-sse2.c
> @@ -1,4 +1,4 @@
> -/* strspn optimized with SSE2.
> +/* strspn.
>     Copyright (C) 2017-2022 Free Software Foundation, Inc.
>     This file is part of the GNU C Library.
>
> @@ -19,10 +19,10 @@
>  #if IS_IN (libc)
>
>  # include <sysdep.h>
> -# define strspn __strspn_sse2
> +# define STRSPN __strspn_sse2
>
>  # undef libc_hidden_builtin_def
> -# define libc_hidden_builtin_def(strspn)
> +# define libc_hidden_builtin_def(STRSPN)
>  #endif
>
> -#include <sysdeps/x86_64/strspn.S>
> +#include <string/strspn.c>
> diff --git a/sysdeps/x86_64/strspn.S b/sysdeps/x86_64/strspn.S
> deleted file mode 100644
> index 61b76ee0a1..0000000000
> --- a/sysdeps/x86_64/strspn.S
> +++ /dev/null
> @@ -1,112 +0,0 @@
> -/* strspn (str, ss) -- Return the length of the initial segment of STR
> -                       which contains only characters from SS.
> -   For AMD x86-64.
> -   Copyright (C) 1994-2022 Free Software Foundation, Inc.
> -   This file is part of the GNU C Library.
> -
> -   The GNU C Library is free software; you can redistribute it and/or
> -   modify it under the terms of the GNU Lesser General Public
> -   License as published by the Free Software Foundation; either
> -   version 2.1 of the License, or (at your option) any later version.
> -
> -   The GNU C Library is distributed in the hope that it will be useful,
> -   but WITHOUT ANY WARRANTY; without even the implied warranty of
> -   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> -   Lesser General Public License for more details.
> -
> -   You should have received a copy of the GNU Lesser General Public
> -   License along with the GNU C Library; if not, see
> -   <https://www.gnu.org/licenses/>.  */
> -
> -#include <sysdep.h>
> -
> -       .text
> -ENTRY (strspn)
> -
> -       movq %rdi, %rdx         /* Save SRC.  */
> -
> -       /* First we create a table with flags for all possible characters.
> -          For the ASCII (7bit/8bit) or ISO-8859-X character sets which are
> -          supported by the C string functions we have 256 characters.
> -          Before inserting marks for the stop characters we clear the whole
> -          table.  */
> -       movq %rdi, %r8                  /* Save value.  */
> -       subq $256, %rsp                 /* Make space for 256 bytes.  */
> -       cfi_adjust_cfa_offset(256)
> -       movl $32,  %ecx                 /* 32*8 bytes = 256 bytes.  */
> -       movq %rsp, %rdi
> -       xorl %eax, %eax                 /* We store 0s.  */
> -       cld
> -       rep
> -       stosq
> -
> -       movq %rsi, %rax                 /* Setup stopset.  */
> -
> -/* For understanding the following code remember that %rcx == 0 now.
> -   Although all the following instruction only modify %cl we always
> -   have a correct zero-extended 64-bit value in %rcx.  */
> -
> -       .p2align 4
> -L(2):  movb (%rax), %cl        /* get byte from stopset */
> -       testb %cl, %cl          /* is NUL char? */
> -       jz L(1)                 /* yes => start compare loop */
> -       movb %cl, (%rsp,%rcx)   /* set corresponding byte in stopset table */
> -
> -       movb 1(%rax), %cl       /* get byte from stopset */
> -       testb $0xff, %cl        /* is NUL char? */
> -       jz L(1)                 /* yes => start compare loop */
> -       movb %cl, (%rsp,%rcx)   /* set corresponding byte in stopset table */
> -
> -       movb 2(%rax), %cl       /* get byte from stopset */
> -       testb $0xff, %cl        /* is NUL char? */
> -       jz L(1)                 /* yes => start compare loop */
> -       movb %cl, (%rsp,%rcx)   /* set corresponding byte in stopset table */
> -
> -       movb 3(%rax), %cl       /* get byte from stopset */
> -       addq $4, %rax           /* increment stopset pointer */
> -       movb %cl, (%rsp,%rcx)   /* set corresponding byte in stopset table */
> -       testb $0xff, %cl        /* is NUL char? */
> -       jnz L(2)                /* no => process next dword from stopset */
> -
> -L(1):  leaq -4(%rdx), %rax     /* prepare loop */
> -
> -       /* We use a neat trick for the following loop.  Normally we would
> -          have to test for two termination conditions
> -          1. a character in the stopset was found
> -          and
> -          2. the end of the string was found
> -          But as a sign that the character is in the stopset we store its
> -          value in the table.  But the value of NUL is NUL so the loop
> -          terminates for NUL in every case.  */
> -
> -       .p2align 4
> -L(3):  addq $4, %rax           /* adjust pointer for full loop round */
> -
> -       movb (%rax), %cl        /* get byte from string */
> -       testb %cl, (%rsp,%rcx)  /* is it contained in skipset? */
> -       jz L(4)                 /* no => return */
> -
> -       movb 1(%rax), %cl       /* get byte from string */
> -       testb %cl, (%rsp,%rcx)  /* is it contained in skipset? */
> -       jz L(5)                 /* no => return */
> -
> -       movb 2(%rax), %cl       /* get byte from string */
> -       testb %cl, (%rsp,%rcx)  /* is it contained in skipset? */
> -       jz L(6)                 /* no => return */
> -
> -       movb 3(%rax), %cl       /* get byte from string */
> -       testb %cl, (%rsp,%rcx)  /* is it contained in skipset? */
> -       jnz L(3)                /* yes => start loop again */
> -
> -       incq %rax               /* adjust pointer */
> -L(6):  incq %rax
> -L(5):  incq %rax
> -
> -L(4):  addq $256, %rsp         /* remove stopset */
> -       cfi_adjust_cfa_offset(-256)
> -       subq %rdx, %rax         /* we have to return the number of valid
> -                                  characters, so compute distance to first
> -                                  non-valid character */
> -       ret
> -END (strspn)
> -libc_hidden_builtin_def (strspn)
> --
> 2.25.1
>

LGTM.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

Thanks.

-- 
H.J.

  reply	other threads:[~2022-03-24 18:58 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-23 21:57 [PATCH v1 01/23] benchtests: Use json-lib in bench-strchr.c Noah Goldstein
2022-03-23 21:57 ` [PATCH v1 02/23] benchtests: Add random benchmark " Noah Goldstein
2022-03-24 18:44   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 03/23] x86: Code cleanup in strchr-avx2 and comment justifying branch Noah Goldstein
2022-03-24 18:53   ` H.J. Lu
2022-03-24 19:20     ` Noah Goldstein
2022-03-24 19:36       ` H.J. Lu
2022-05-12 19:31         ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 04/23] x86: Code cleanup in strchr-evex " Noah Goldstein
2022-03-24 18:54   ` H.J. Lu
2022-05-12 19:32     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 05/23] benchtests: Use json-lib in bench-strpbrk.c Noah Goldstein
2022-03-24 18:54   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 06/23] benchtests: Use json-lib in bench-strspn.c Noah Goldstein
2022-03-24 18:54   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 07/23] x86: Optimize strcspn and strpbrk in strcspn-c.c Noah Goldstein
2022-03-24 18:55   ` H.J. Lu
2022-05-12 19:34     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 08/23] x86: Optimize strspn in strspn-c.c Noah Goldstein
2022-03-24 18:56   ` H.J. Lu
2022-05-12 19:39     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 09/23] x86: Remove strcspn-sse2.S and use the generic implementation Noah Goldstein
2022-03-24 18:57   ` H.J. Lu
2022-05-12 19:40     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 10/23] x86: Remove strpbrk-sse2.S " Noah Goldstein
2022-03-24 18:57   ` H.J. Lu
2022-05-12 19:41     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 11/23] x86: Remove strspn-sse2.S " Noah Goldstein
2022-03-24 18:57   ` H.J. Lu [this message]
2022-05-12 19:42     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 12/23] x86: Fix fallback for wcsncmp_avx2 in strcmp-avx2.S [BZ #28896] Noah Goldstein
2022-03-24 18:59   ` H.J. Lu
2022-03-24 19:18     ` Noah Goldstein
2022-03-24 19:34       ` H.J. Lu
2022-03-24 19:39         ` Noah Goldstein
2022-03-24 20:50   ` [PATCH v2 12/31] " Noah Goldstein
2022-03-24 21:26     ` H.J. Lu
2022-03-24 21:43       ` Noah Goldstein
2022-03-24 21:58         ` H.J. Lu
2022-05-04  6:05           ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 13/23] benchtests: Use json-lib in bench-strcasecmp.c Noah Goldstein
2022-03-24 19:00   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 14/23] benchtests: Use json-lib in bench-strncasecmp.c Noah Goldstein
2022-03-24 19:00   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 15/23] string: Expand page cross tests in test-strcasecmp.c Noah Goldstein
2022-03-24 19:01   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 16/23] string: Expand page cross tests in test-strncasecmp.c Noah Goldstein
2022-03-24 19:01   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 17/23] x86: Optimize str{n}casecmp TOLOWER logic in strcmp.S Noah Goldstein
2022-03-24 19:02   ` H.J. Lu
2022-05-12 19:44     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 18/23] x86: Optimize str{n}casecmp TOLOWER logic in strcmp-sse42.S Noah Goldstein
2022-03-24 19:02   ` H.J. Lu
2022-05-12 19:45     ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 19/23] string: Expand page cross test cases in test-strcmp.c Noah Goldstein
2022-03-24 19:02   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 20/23] string: Expand page cross test cases in test-strncmp.c Noah Goldstein
2022-03-24 19:02   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 21/23] x86: Add AVX2 optimized str{n}casecmp Noah Goldstein
2022-03-24 19:03   ` H.J. Lu
2022-03-24 22:41   ` [PATCH v3 " Noah Goldstein
2022-03-24 22:41   ` [PATCH v3 22/23] x86: Add EVEX " Noah Goldstein
2022-03-24 23:56   ` [PATCH v4 21/23] x86: Add AVX2 " Noah Goldstein
2022-03-24 23:56     ` [PATCH v4 22/23] x86: Add EVEX " Noah Goldstein
2022-03-25 18:15       ` H.J. Lu
2022-03-25 18:18         ` Noah Goldstein
2022-05-12 19:47           ` Sunil Pandey
2022-05-12 19:52             ` Sunil Pandey
2022-03-25 18:14     ` [PATCH v4 21/23] x86: Add AVX2 " H.J. Lu
2022-05-12 19:52       ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 22/23] x86: Add EVEX " Noah Goldstein
2022-03-24 19:04   ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 23/23] x86: Remove AVX str{n}casecmp Noah Goldstein
2022-03-24 19:04   ` H.J. Lu
2022-05-12 19:54     ` Sunil Pandey
2022-03-24 18:43 ` [PATCH v1 01/23] benchtests: Use json-lib in bench-strchr.c H.J. Lu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAMe9rOp89e_1T9+i0W3=R3XR8DHp_Ua72x+poB6HQvE1q6b0MQ@mail.gmail.com' \
    --to=hjl.tools@gmail.com \
    --cc=carlos@systemhalted.org \
    --cc=goldstein.w.n@gmail.com \
    --cc=libc-alpha@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
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).