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diff --git a/3d_gpu/architecture/dynamic_simd.mdwn b/3d_gpu/architecture/dynamic_simd.mdwn
index 70696b8735517a59a51c49a682cdcae196dfcec4..2a956e85a925e040d6f738f65cddb9ebc3bb2bc5 100644 (file)
--- a/3d_gpu/architecture/dynamic_simd.mdwn
+++ b/3d_gpu/architecture/dynamic_simd.mdwn
@@ -1,5 +1,11 @@
 # Dynamic Partitioned SIMD
 
+The Dynamic Partitioned SIMD Signal is effectively a parallelisation
+of nmigen's Signal.  It is expected to work transparently as if it was
+a nmigen Signal, in every way, as a full peer of a nmigen Signal, with
+no requirement on the part of the developer to even know that it is
+performing parallel dynamically-partitioned operations.
+
 Links:
 
 * <https://bugs.libre-soc.org/show_bug.cgi?id=458> m.If/Switch