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Alexander Nutz
2025-08-26 21:13:01 +02:00
parent 89c9b3069e
commit 5a9dfdd720
2 changed files with 16 additions and 8 deletions
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20
pages/article-gpu-arch-1.typ
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@@ -280,6 +280,8 @@
{
int row = get_global_id(1); // y
int col = get_global_id(0); // x
int local_row = get_local_id(1); // y
int local_col = get_local_id(0); // x
__local float Asub[TILE_SIZE][TILE_SIZE];
__local float Bsub[TILE_SIZE][TILE_SIZE];
@@ -289,24 +291,28 @@
for (int t = 0; t < N / TILE_SIZE; ++t) {
// load tiles into local
int tiledRow = row;
int tiledCol = t * TILE_SIZE + get_local_id(0);
int tiledCol = t * TILE_SIZE + local_col;
float av;
if (tiledRow < N && tiledCol < N)
Asub[get_local_id(1)][get_local_id(0)] = A[tiledRow * N + tiledCol];
av = A[tiledRow * N + tiledCol];
else
Asub[get_local_id(1)][get_local_id(0)] = 0.0f;
av = 0.0f;
Asub[local_row][local_col] = av;
tiledRow = t * TILE_SIZE + get_local_id(1);
tiledRow = t * TILE_SIZE + local_row;
tiledCol = col;
float bv;
if (tiledRow < N && tiledCol < N)
Bsub[get_local_id(1)][get_local_id(0)] = B[tiledRow * N + tiledCol];
bv; = B[tiledRow * N + tiledCol];
else
Bsub[get_local_id(1)][get_local_id(0)] = 0.0f;
bv = 0.0f;
Bsub[local_row][local_col]= bv;
// sync local access across local grp
barrier(CLK_LOCAL_MEM_FENCE);
for (int k = 0; k < TILE_SIZE; ++k)
sum += Asub[get_local_id(1)][k] * Bsub[k][get_local_id(0)];
sum += Asub[local_row][k] * Bsub[k][local_col];
// sync local access across local grp
barrier(CLK_LOCAL_MEM_FENCE);

4
pages/index.typ
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@@ -87,9 +87,11 @@
#link("https://github.com/alex-s168/website")[Website source code]
#br()#br()
The latest version of my badge will always be at:\
Latest version of my badge:\
#raw(people.alex.badge)
#br()
Check out these websites:
#context if is-web and is-html() { // excludes min.html builds too
let scale = 1.3
for id in people.keys() {