Go to card has become slow

[Brian Milby]

On my Win10 Dell (i5):

6.154 to 6.806 without shift
0.036 to 0.15 with shift

This is measuring a difference in doing a bulk 8MB write with a streamed
write of the stack to the file piece by piece.  Internally, each object is
serialized and written to the file buffer in turn.  So the question then
becomes how much of the difference is due to writing the file in pieces
compared to the process of serializing the data.

Brian