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sparse_strips/vello_cpu/src/fine/image.rs

diff --git a/sparse_strips/vello_cpu/src/fine/image.rs b/sparse_strips/vello_cpu/src/fine/image.rs
index f4b53ff..e9e2840 100644
--- a/sparse_strips/vello_cpu/src/fine/image.rs
+++ b/sparse_strips/vello_cpu/src/fine/image.rs
@@ -272,6 +272,8 @@
     match extend {
         // Note that max should be exclusive, so subtract a small bias to enforce that.
         // Otherwise, we might sample out-of-bounds pixels.
+        // Also note that we intentionally don't use `clamp` here, because it's slower than
+        // doing `min` + `max`.
         Extend::Pad => val.min(max - BIAS).max(0.0),
         Extend::Repeat => val - floor(val * inv_max) * max,
         // <https://github.com/google/skia/blob/220738774f7a0ce4a6c7bd17519a336e5e5dea5b/src/opts/SkRasterPipeline_opts.h#L3274-L3290>