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Updated data prefetch in TRSM, ASUM, DOT functions

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Signed-off-by: kaustubh <kaustubh.raste@imgtec.com>
This commit is contained in:
kaustubh
2016-12-13 11:41:17 +05:30
parent db3efb2e14
commit 3eaff85191
17 changed files with 934 additions and 647 deletions
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kernel/mips/ddot_msa.c
+29 -14
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@@ -44,25 +44,40 @@ FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
if ((1 == inc_x) && (1 == inc_y))
{
FLOAT *x_pref, *y_pref;
BLASLONG pref_offset;
pref_offset = (BLASLONG)x & (L1_DATA_LINESIZE - 1);
if (pref_offset > 0)
{
pref_offset = L1_DATA_LINESIZE - pref_offset;
pref_offset = pref_offset / sizeof(FLOAT);
}
x_pref = x + pref_offset + 32;
pref_offset = (BLASLONG)y & (L1_DATA_LINESIZE - 1);
if (pref_offset > 0)
{
pref_offset = L1_DATA_LINESIZE - pref_offset;
pref_offset = pref_offset / sizeof(FLOAT);
}
y_pref = y + pref_offset + 32;
for (i = (n >> 4); i--;)
{
LD_DP8_INC(x, 2, vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7);
LD_DP8_INC(y, 2, vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7);
#ifdef ENABLE_PREFETCH
__asm__ __volatile__(
"pref 0, 256(%[x])\n\t"
"pref 0, 288(%[x])\n\t"
"pref 0, 320(%[x])\n\t"
"pref 0, 352(%[x])\n\t"
"pref 0, 256(%[y])\n\t"
"pref 0, 288(%[y])\n\t"
"pref 0, 320(%[y])\n\t"
"pref 0, 352(%[y])\n\t"
: : [x] "r" (x), [y] "r" (y)
);
#endif
PREF_OFFSET(x_pref, 0);
PREF_OFFSET(x_pref, 32);
PREF_OFFSET(x_pref, 64);
PREF_OFFSET(x_pref, 96);
PREF_OFFSET(y_pref, 0);
PREF_OFFSET(y_pref, 32);
PREF_OFFSET(y_pref, 64);
PREF_OFFSET(y_pref, 96);
x_pref += 16;
y_pref += 16;
dot0 += (vy0 * vx0);
dot1 += (vy1 * vx1);