record conversation snippet

diff --git a/3d_gpu/microarchitecture.mdwn b/3d_gpu/microarchitecture.mdwn
index 150635dd05519c2d4d8a0875d7bfd6009df16c29..25fe2d135691725ec9a5598aaec50b86ccf8ecef 100644 (file)
--- a/3d_gpu/microarchitecture.mdwn
+++ b/3d_gpu/microarchitecture.mdwn
@@ -177,6 +177,11 @@ Advantages of Speculation, Load and Store hazards:
     - SD F1 100(R2)
     - LD F2 100(R2)
 
+Exceptions
+
+* Exceptions are handled by not recognising the exception until
+  instruction that caused it is ready to commit in ROB (reaches head
+  of ROB)
 # References
 
 * <https://en.wikipedia.org/wiki/Tomasulo_algorithm>