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| author | Niels M?ller <nisse@lysator.liu.se> | 2019-09-04 20:09:20 +0200 |
|---|---|---|
| committer | Niels M?ller <nisse@lysator.liu.se> | 2019-09-04 20:09:20 +0200 |
| commit | 74469d71e6792fccdfb17f2913aaabafb7094a89 (patch) | |
| tree | 017c30f0f9391d2e89daf7b08098576013a385f9 /tune/speed.h | |
| parent | a1d52672b638129c9639ea034765ec67c07abff5 (diff) | |
| download | gmp-74469d71e6792fccdfb17f2913aaabafb7094a89.tar.gz | |
Speed support for mpn_hgcd2.
* tune/speed.h (SPEED_ROUTINE_MPN_HGCD2): New macro.
* tune/common.c (speed_mpn_hgcd2): New function.
* tune/speed.c (routine): Add mpn_hgcd2.
Diffstat (limited to 'tune/speed.h')
| -rw-r--r-- | tune/speed.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tune/speed.h b/tune/speed.h index 25b154203..044bc9c2b 100644 --- a/tune/speed.h +++ b/tune/speed.h @@ -214,6 +214,7 @@ double speed_mpn_div_qr_2n (struct speed_params *); double speed_mpn_div_qr_2u (struct speed_params *); double speed_mpn_fib2_ui (struct speed_params *); double speed_mpn_matrix22_mul (struct speed_params *); +double speed_mpn_hgcd2 (struct speed_params *); double speed_mpn_hgcd (struct speed_params *); double speed_mpn_hgcd_lehmer (struct speed_params *); double speed_mpn_hgcd_appr (struct speed_params *); @@ -2843,6 +2844,40 @@ int speed_routine_count_zeros_setup (struct speed_params *, mp_ptr, int, int); }, \ function (px[j-1], py[j-1], 0)) +#define SPEED_ROUTINE_MPN_HGCD2(function) \ + { \ + unsigned i, j; \ + struct hgcd_matrix1 m = {{{0,0},{0,0}}}; \ + double t; \ + \ + speed_operand_src (s, s->xp_block, SPEED_BLOCK_SIZE); \ + speed_operand_src (s, s->yp_block, SPEED_BLOCK_SIZE); \ + speed_cache_fill (s); \ + \ + speed_starttime (); \ + i = s->reps; \ + mp_limb_t chain = 0; \ + do \ + { \ + for (j = 0; j < SPEED_BLOCK_SIZE; j+= 2) \ + { \ + /* randomized but successively dependent */ \ + function (s->xp_block[j] | GMP_NUMB_HIGHBIT, \ + s->xp_block[j+1] + chain, \ + s->yp_block[j] | GMP_NUMB_HIGHBIT, \ + s->yp_block[j+1], &m); \ + chain += m.u[0][0]; \ + } \ + } \ + while (--i != 0); \ + t = speed_endtime (); \ + \ + /* make sure the compiler won't optimize away chain */ \ + noop_1 (chain); \ + \ + s->time_divisor = SPEED_BLOCK_SIZE / 2; \ + return t; \ + } #define SPEED_ROUTINE_MPN_HGCD_CALL(func, itchfunc) \ { \ |