¥È¥Ã¥× «Á°¤ÎÆüµ­(2008-10-28) ºÇ¿· ¼¡¤ÎÆüµ­(2008-10-30)» ÊÔ½¸

¤Ï¤¸¤á¤Æ¤Î¤Ë¤­

¤³¤³¤Î°ÌÃÖÉÕ¤±

2004|11|
2005|03|04|05|06|07|08|09|10|11|12|
2006|01|02|03|04|05|06|07|08|09|10|11|12|
2007|01|02|03|04|05|06|07|08|09|10|11|12|
2008|01|02|03|04|05|06|07|08|09|10|11|12|
2009|01|02|03|04|05|06|07|08|09|10|11|12|
2010|01|02|03|04|05|06|07|08|09|10|11|12|
2011|01|02|03|04|05|06|07|08|09|10|11|12|
2012|01|02|03|04|05|06|07|08|09|10|11|12|
2013|01|02|03|04|05|06|07|08|09|10|11|12|
2014|01|02|03|04|05|06|07|08|09|10|11|12|
2015|01|02|03|04|05|06|07|08|09|10|11|12|
2016|01|02|03|04|05|06|07|08|09|10|11|12|
2017|01|02|03|04|05|06|07|08|09|10|11|12|
2018|01|02|03|04|05|06|07|08|09|10|11|12|
2019|01|02|03|04|05|06|07|08|09|10|11|12|
2020|01|02|03|04|05|06|07|08|09|10|11|12|
2021|01|02|03|04|05|06|07|08|09|10|11|12|
2022|01|02|03|04|05|06|07|08|09|10|11|12|
2023|01|02|03|04|05|06|07|08|09|10|11|12|
2024|01|02|03|04|05|06|07|08|09|10|11|

ToDo:


2008-10-29

_ ƿ̾

http://tabesugi.net/memo/cur/cur.html#182342

¤Õ¡¼¤à¡£ ƿ̾¤¸¤ã¤Ê¤¯¤ÆÎɤ¤Íýͳ¡¢¤È¤·¤Æ¤Ï¤È¤Æ¤âƱ°Õ¤Ç¤­¤ë¤±¤É¡¢ ¼Â̾¤Ç¤¤¤¯Íýͳ¤Ë¤Ï¼«Ê¬¤Î¾ì¹ç¤Ê¤Ã¤Æ¤Ê¤¤¤«¤Ê¤¡¡£

¡Ö¼Â̾¤Î¤Û¤¦¤¬µ¤³Ú¤À¤È»×¤¨¤ë¡×¤Ã¤Æ¤Î¤¬°ìÈֶᤤµ¤¤¬¤¹¤ë¡£ Ëͤξì¹ç¤¿¤Ö¤ó²²É¤µ¤¬µÕ¤Ë½Ð¤Æ¤ë¤ó¤À¤È»×¤¦¡£ ƿ̾¤Ë¤è¤ë̵ÀÕǤ¤µ¤ËÊ¢¤¬Î©¤¿¤Ê¤¤¡¢ ¤ÏƱ°Õ¤Ê¤ó¤À¤±¤É¡¢ ¼«Ê¬¤¬Æ¿Ì¾¤À¤È̵ÀÕǤ¤Ë¤Ê¤ë¤Î¤Ï¤³¤ì¤Ï¤â¤¦¡¢¤Û¤È¤ó¤É´Ö°ã¤¤¤Ê¤¯¤Æ¡¢ ¤½¤Î¾õÂÖ¤¬¶²¤¤¤Ã¤Æ¤¤¤¦¤Î¤È¡¢ ¤¢¤È¤½¤Î̵ÀÕǤƿ̾¤¬¤Õ¤È¤·¤¿Çï»Ò¤Ç¥Ð¥ì¤¿¤ê¤¹¤ë¤Î¤¬¶²¤¤¤ó¤À¤è¤Ê¡£

¤¢¤È¡¢¡Ö¥¢¥ì¡¢¼«ºî¼«±é¤Ç¤·¤ç¡©¡×·Ï¤Î¼ÁÌä¤ò¤µ¤ì¤ë¤³¤È¤ò¹Í¤¨¤ë¤Î¤¬¶²¤¤¡£ ²¾¤Ë¼«ºî¼«±é¤Ç¤Ê¤¤¤â¤Î¤ËÂФ·¤Æ¤³¤Î¼ÁÌä¤ò¤µ¤ì¤¿¤È¤·¤Æ¤â¡¢ ¤«¤Ä¤Æ¼«ºî¼«±é¤ò¤·¤¿¤³¤È¤¬¤¢¤Ã¤¿¤ê¤¹¤ë¤È ¼«¿®¤ò»ý¤Ã¤ÆÈÝÄꤷ¤Ë¤¯¤¤¤È»×¤¦¤ó¤À¤è¤Ê¡£ ¿Íϵ¤È¤«¤ä¤Ã¤Æ¤ë¤È¤è¤¯¤ï¤«¤ë¤±¤É¡¢ °ì¤Ä¥¦¥½¤ò¤Ä¤¤¤Æ¤¤¤ë»Ò¤¬¡¢ ¥¦¥½¤ò¤Ä¤¤¤Æ¤Ê¤¤¸Ä½ê¤Ë¤Ä¤¤¤ÆÈù̯¤Ë¼å¤¤ÏÀÄ´¤Ë¤Ê¤Ã¤Æ¤·¤Þ¤¦¡¢ ¤¢¤ÎÈù̯¤Ê¤»¤Ä¤Ê¤µ¤Ë¶á¤¤¤â¤Î¤¬¤¢¤ë¤ó¤Ç¤Ê¤¤¤«¤È»×¤¦¡£ ¤½¤ì¤ËÂФ·¤Æ ¡Ö¤Á¤ã¤¤¤Þ¤¹¤è¡£ 2¤Á¤ã¤ó¤Ëµ­Ì¾¤Ê¤ê¼«Ê¬¤Î¥µ¥¤¥È¤Ø¤Î¥ê¥ó¥¯¤¬Ìµ¤¤¾õÂ֤ǽñ¤­¹þ¤ó¤À¤³¤È¤Ê¤¤¤·¡× ¤È¸À¤¨¤ë°Â¿´´¶¡£

¤Ç¤Þ¤¡¾¡¼ê¤Ë¼«Ê¬¤¬¶±¤¨¤Æ¤¤¤ë¤À¤±¤Ê¤Î¤Ç¡¢ Ê̤˾¿Í¤¬¡Ö¥¢¥ì¡¢¼«ºî¼«±é¤Ç¤·¤ç¡©¡×¡Ö¤½¤¦¤Ç¤¹¤¬²¿¤«¡©¡× ¤È¤«¸À¤Ã¤Æ¤Æ¤â¤É¤¦¤Ç¤â¤¤¤¤¤·¡¢ Ä̤ꤹ¤¬¤ê¤Î¤â¤Î¤Ç¤¹¤è´¶¤È¤«¤â¾¿Í¤Î¾ì¹ç¤Þ¤¡³ä¤È¤É¤¦¤Ç¤â¤¤¤¤¤«¤Ê¤¡¤È»×¤¦¡£

¤Ê¤ó¤«½ñ¤¤¤¿¤³¤È¤¢¤Ã¤¿¤ß¤¿¤¤¤À¡£

http://shinh.skr.jp/m/?date=20080526#p01

¤¢¤È¤½¤¦¤À¡£¥Ï¥ó¥É¥ë¥Í¡¼¥à°ìËܤǹԤ¯¤Ã¤Æ¤Î¤Ï¤Þ¤¡¤¤¤¤ÊýË¡¤À¤È»×¤¦¡£ ¤¿¤À¤Þ¤¡¼ÂºÝ¤Ë²ñ¤Ã¤¿»þ¤È¤«Èù̯¤Ê´¶¤¸¤Ë¤Ê¤ë¤Î¤¬Èù̯

(00:08)

_ ¤á¤Ç¤£¤¢¤ó

¤Õ¡¼¤à

http://homepage1.nifty.com/herumi/diary/0810.html#28

¤¿¤Àµá¤á¤¿¤¤¤Î¤Ï¼Â¤Ï median ¤¸¤ã¤Ê¤¯¤Æ¡¢

m = median(i1, i2, i3)
o1 = i1 == m ? i1 : 0
o2 = i2 == m ? i2 : 0
o3 = i3 == m ? i3 : 0

¤Ê¤Î¤Ç¡¢6¸ÄƱ»þÈæ³Ó¤ò pcmgtw ¤Ç¤ä¤Ã¤È¤¤¤Æ ¥Æ¡¼¥Ö¥ë¤Ò¤¤¤Æ¤Û¤²¤Û¤²¡Ä¤È¤«¤Ï¤É¤¦¤«¤Ê¤¡¡Ä ¤È¤«»×¤Ã¤Æ¤ä¤Ã¤Æ¤ß¤¿¡£

static const char tbl[] = {
    7, -1, -1, -1, -1, -1, -1, -1, -1, -1, 6, -1, 3, -1, 2, -1, -1, 6, -1, -1, 5, 4, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, -1, 3, 5, 1, -1, -1, -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, -1, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};

void calcScore(int p1, int p2, int p3, int* s1, int* s2, int* s3) {
    int cmp_result;
    asm("pinsrw $1, %3, %%xmm1;\n"
        "pinsrw $2, %4, %%xmm1;\n"
        "pinsrw $3, %5, %%xmm1;\n"
        "pinsrw $4, %4, %%xmm1;\n"
        "pinsrw $5, %5, %%xmm1;\n"
        "pinsrw $6, %3, %%xmm1;\n"

        "pinsrw $1, %4, %%xmm0;\n"
        "pinsrw $2, %5, %%xmm0;\n"
        "pinsrw $3, %3, %%xmm0;\n"
        "pinsrw $4, %3, %%xmm0;\n"
        "pinsrw $5, %4, %%xmm0;\n"
        "pinsrw $6, %5, %%xmm0;\n"

        "pcmpgtw %%xmm0, %%xmm1;\n"

        "pextrw $6, %%xmm1, %%rax;\n"
        "and $1, %%rax;\n"
        "pextrw $5, %%xmm1, %%rdx;\n"
        "and $1, %%rdx;\n"
        "shl $1, %%rdx;\n"
        "or %%rdx, %%rax;\n"
        "pextrw $4, %%xmm1, %%rdx;\n"
        "and $1, %%rdx;\n"
        "shl $2, %%rdx;\n"
        "or %%rdx, %%rax;\n"
        "pextrw $3, %%xmm1, %%rdx;\n"
        "and $1, %%rdx;\n"
        "shl $3, %%rdx;\n"
        "or %%rdx, %%rax;\n"
        "pextrw $2, %%xmm1, %%rdx;\n"
        "and $1, %%rdx;\n"
        "shl $4, %%rdx;\n"
        "or %%rdx, %%rax;\n"
        "pextrw $1, %%xmm1, %%rdx;\n"
        "and $1, %%rdx;\n"
        "shl $5, %%rdx;\n"
        "or %%rdx, %%rax;\n"

        "movzb (%6, %%rax, 1), %%rax;\n"

        "xor %%rcx, %%rcx;\n"

        "mov %%rax, %%rdx;\n"
        "and $4, %%rdx;\n"
        "cmovz %%rcx, %3;\n"
        "mov %3, %0;\n"

        "mov %%rax, %%rdx;\n"
        "and $2, %%rdx;\n"
        "cmovz %%rcx, %4;\n"
        "mov %4, %1;\n"

        "mov %%rax, %%rdx;\n"
        "and $1, %%rdx;\n"
        "cmovz %%rcx, %5;\n"
        "mov %5, %2;\n"

        :"=m"(*s1), "=m"(*s2), "=m"(*s3)
        :"r"(p1), "r"(p2), "r"(p3), "r"(&tbl)
        :"%rdx", "%rcx", "%rax", "%xmm0", "%xmm1");
    return;
}

1.5Çܤۤɤª¤½¤¯¤Ê¤Ã¤¿¡Ä

(23:45)

_ ¤á¤¸¤¢¤ó

¤á¤¸¤¢¤ó·×»»¤·¤Æ¤«¤é cmp & cmov »°È¯¤ÎÊý¤¬Îɤ¤¤ó¤¸¤ã¤Ê¤¤¤«¤È¤«»×¤¦¤Î¤Ç¤¢¤Ã¤¿¡Ä

(23:48)

¤ªÌ¾Á°:
E-mail:
¥³¥á¥ó¥È:
¿ÍÀ¸¡¢±§Ãè¡¢¤¹¤Ù¤Æ¤ÎÅú¤¨
ËÜÆü¤Î¥ê¥ó¥¯¸µ

Á° 2008ǯ
10·î
¼¡
Æü ·î ²Ð ¿å ÌÚ ¶â ÅÚ
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
1.shinh(2014-05-24 02:28) 2.haru-s(2014-05-24 02:28) 3.kzk(2014-05-24 02:28)
search / home / index

Á´¤Æ¥ê¥ó¥¯¥Õ¥ê¡¼¤Ç¤¹¡£ ¥³¡¼¥ÉÊҤϼ«Í³¤Ë»ÈÍѤ·¤Æ¤¤¤¿¤À¤¤¤Æ¹½¤¤¤Þ¤»¤ó¡£ ¤½¤Î¾¤Î¤â¤Î¤ÏGPL°·¤¤¤Ç¤¢¤ì¤Ð¤¢¤é¤æ¤ë»ÈÍѤ˴ؤ·¤Æʸ¶ç¤Ï¸À¤¤¤Þ¤»¤ó¡£ ¤Ê¤Ë¤«¤¢¤ì¤Ð²¼µ­¥á¡¼¥ë¥¢¥É¥ì¥¹¤Ø¡£

shinichiro.hamaji _at_ gmail.com / shinichiro.h