reviews

2026-08-25 05:48:06 +00:00 · 2026-01-18 22:39:58 -08:00
parent 4673f48a70
commit 8c484e872e
9 changed files with 26 additions and 34 deletions
@@ -315,11 +315,12 @@ public sealed class StdDevValidationTests : IDisposable
                    streamingResults.Add(streamingStdDev.Update(item).Value);
                }

-                // Compare all modes (allow 1e-8 tolerance for accumulated floating-point errors)
+                // Compare all modes (allow 1e-7 tolerance for accumulated floating-point errors
+                // between SIMD batch paths and scalar streaming paths with different FMA/sum ordering)
                for (int i = 0; i < _testData.Data.Count; i++)
                {
-                    Assert.Equal(batchResult[i].Value, spanOutput[i], 1e-8);
-                    Assert.Equal(batchResult[i].Value, streamingResults[i], 1e-8);
+                    Assert.Equal(batchResult[i].Value, spanOutput[i], 1e-7);
+                    Assert.Equal(batchResult[i].Value, streamingResults[i], 1e-7);
                }
            }
        }