Add file for perf links

Author: lilith

imageflow_core/src/speed.md

@@ -0,0 +1,12 @@
+# Links to inspiration for performance improvements
+
+VAAPI (nix, AMD/Intel only)
+
+https://cgit.freedesktop.org/gstreamer/gstreamer-vaapi/tree/gst/vaapi/gstvaapidecode.c?id=e2657882712ae0e18583688f7623c125a517bc61
+
+
+relative performance of libjpeg-turbo and libpng to other tools
+
+https://caedesnotes.wordpress.com/2015/03/23/comparing-performance-stb_image-vs-libjpeg-turbo-libpng-and-lodepng/
+
+progressive? http://www.slideshare.net/Radware/radware-velocity-nyprogressivejpegwebperformanceux