FTR: J1 "Vector API in one image" tweet

[John Rose]

https://twitter.com/JohnRose00/status/915322326484258816

Today's Panama Vector API in one image:
Top is scalar 3x3 MxV pixel transform.
Bottom is same thing with vector of 8 pixels, SIMD style.
https://pbs.twimg.com/media/DLPgXOPV4AA7I3o.jpg

https://twitter.com/JohnRose00/status/915322790881796096

(Full disclosure:  The array access in the scalar code is
handled by additional LOC for the vector code.
This is an incubating WIP.)