add bypass

diff --git a/3d_gpu/microarchitecture.mdwn b/3d_gpu/microarchitecture.mdwn
index 0387e5563a4858a9658761d1c0516804e543497d..665dde99ab8e995207f599f1ad0850de4e7971c8 100644 (file)
--- a/3d_gpu/microarchitecture.mdwn
+++ b/3d_gpu/microarchitecture.mdwn
@@ -113,6 +113,8 @@ called the flip-flops orchestrating the timing "collectors".
 * <https://en.wikipedia.org/wiki/Reservation_station>
 * <https://en.wikipedia.org/wiki/Register_renaming> points out that
   reservation stations take a *lot* of power.
+* <https://en.wikipedia.org/wiki/Classic_RISC_pipeline#Solution_A._Bypassing>
+  pipeline bypassing
 * Register File Bank Cacheing <https://www.princeton.edu/~rblee/ELE572Papers/MultiBankRegFile_ISCA2000.pdf>
 * Discussion <http://lists.libre-riscv.org/pipermail/libre-riscv-dev/2018-November/000157.html>
 * <https://github.com/UCSBarchlab/PyRTL/blob/master/examples/example5-instrospection.py>