test: try N=8 in idesc

2026-05-28 10:02:52 +00:00
parent 4f7c9649fd
commit 0f51fda0da
1 changed files with 3 additions and 3 deletions
--- a/tests/unit/test_umma_qk.cu
+++ b/tests/unit/test_umma_qk.cu
@@ -69,9 +69,9 @@ test_umma_qk_hd16(const bf16_t* q, const bf16_t* k,
    uint64_t desc_q = make_umma_desc_kmajor_none(sQ_smem, 128);
    uint64_t desc_k = make_umma_desc_kmajor_none(sK_smem, 128);

-    // Try different idesc values to understand the 4× factor
-    // Test 1: M=128, N=128
-    uint32_t idesc = make_idesc(128, 128);
+    // Test with different N values to understand scaling
+    // N=8 → n_dim=1
+    uint32_t idesc = make_idesc(128, 8);  // Try N=8

    if (tid == 0) {
        memcpy(&s_out[128], &desc_q, 8);