Skip to content

Move the value assignment of vector x in gemv_n_sve.c to the outermos… #5420

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: develop
Choose a base branch
from
Open
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 6 additions & 12 deletions kernel/arm64/gemv_n_sve.c
Original file line number Diff line number Diff line change
Expand Up @@ -69,13 +69,12 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
FLOAT *a2_ptr = a + lda * width * 2;

for (j = 0; j < width; j++) {
for (i = 0; (i + sve_size - 1) < m; i += sve_size) {
ix = j * inc_x;

SV_TYPE x0_vec = SV_DUP(alpha * x[ix + (inc_x * width * 0)]);
SV_TYPE x1_vec = SV_DUP(alpha * x[ix + (inc_x * width * 1)]);
SV_TYPE x2_vec = SV_DUP(alpha * x[ix + (inc_x * width * 2)]);
ix = j * inc_x;

SV_TYPE x0_vec = SV_DUP(alpha * x[ix + (inc_x * width * 0)]);
SV_TYPE x1_vec = SV_DUP(alpha * x[ix + (inc_x * width * 1)]);
SV_TYPE x2_vec = SV_DUP(alpha * x[ix + (inc_x * width * 2)]);
for (i = 0; (i + sve_size - 1) < m; i += sve_size) {
SV_TYPE a00_vec = svld1(pg_true, a0_ptr + i);
SV_TYPE a01_vec = svld1(pg_true, a1_ptr + i);
SV_TYPE a02_vec = svld1(pg_true, a2_ptr + i);
Expand All @@ -89,10 +88,6 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
}

if (i < m) {
SV_TYPE x0_vec = SV_DUP(alpha * x[ix + (inc_x * width * 0)]);
SV_TYPE x1_vec = SV_DUP(alpha * x[ix + (inc_x * width * 1)]);
SV_TYPE x2_vec = SV_DUP(alpha * x[ix + (inc_x * width * 2)]);

SV_TYPE a00_vec = svld1(pg, a0_ptr + i);
SV_TYPE a01_vec = svld1(pg, a1_ptr + i);
SV_TYPE a02_vec = svld1(pg, a2_ptr + i);
Expand All @@ -115,17 +110,16 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
a_ptr = a2_ptr;
for (j = width * 3; j < n; j++) {
ix = j * inc_x;
SV_TYPE x_vec = SV_DUP(alpha * x[(ix)]);
for (i = 0; (i + sve_size - 1) < m; i += sve_size) {
SV_TYPE y_vec = svld1(pg_true, y + i);
SV_TYPE x_vec = SV_DUP(alpha * x[(ix)]);
SV_TYPE a_vec = svld1(pg_true, a_ptr + i);
y_vec = svmla_x(pg_true, y_vec, a_vec, x_vec);
svst1(pg_true, y + i, y_vec);
}

if (i < m) {
SV_TYPE y_vec = svld1(pg, y + i);
SV_TYPE x_vec = SV_DUP(alpha * x[(ix)]);
SV_TYPE a_vec = svld1(pg, a_ptr + i);
y_vec = svmla_m(pg, y_vec, a_vec, x_vec);
svst1(pg, y + i, y_vec);
Expand Down