This commit is contained in:
Eve 2024-12-31 23:00:16 -05:00
parent 3c31ceac88
commit ed038a26e3

View file

@ -25,13 +25,12 @@ uint fill_blkcache_its(uint wg_size) {
return 8;
}
void fill_blkcache(const int num_blocks, const uint ib0, const uint i0, const uint tid, const uint fbi) {
uint bc_t = 104 / fbi;
if (tid < bc_t) {
void fill_blkcache(const int num_blocks, const uint bct, const uint ib0, const uint i0, const uint tid, const uint fbi) {
if (tid < bct) {
[[unroll]] for (int l = 0; l < num_blocks; ++l) {
[[unroll]] for (int m = 0; m < fbi; ++m)
// cache full superblock into shared memory with coalesced reads
blkcache[l].blk[tid + m*bc_t] = data_a_packed16[ib0 + i0 + l].blk[tid + m*bc_t];
blkcache[l].blk[tid + m*bct] = data_a_packed16[ib0 + i0 + l].blk[tid + m*bct];
}
}
}
@ -48,6 +47,7 @@ void compute_outputs(const uint32_t first_row, const uint32_t num_rows) {
const uint itid = tid%16; // 0...15
const uint ix = tid/16;
const uint fbi = fill_blkcache_its(gl_WorkGroupSize.x);
const uint bct = 104/fbi;
const uint v_im = itid/8; // 0 or 1. 0 computes 0..., 1 computes 128...
const uint v_in = itid - 8*v_im; // 0...15 or 0...7
@ -81,9 +81,9 @@ void compute_outputs(const uint32_t first_row, const uint32_t num_rows) {
// fill_blkcache is sensitive to unrolling with hardcoded it_size
if (blim == it_size) {
fill_blkcache(int(it_size), ib0, i0, tid, fbi);
fill_blkcache(int(it_size), bct, ib0, i0, tid, fbi);
} else {
fill_blkcache(blim, ib0, i0, tid, fbi);
fill_blkcache(blim, bct, ib0, i0, tid, fbi);
}
sccache[ix][itid] = FLOAT_TYPE(int8_t(bitfieldExtract(blkcache[ix].blk[96 + itid/2], int(bcs_offset), 8)));