Update.

[pysvrt.git] / README.md

diff --git a/README.md b/README.md
index 792fc31..26b40f2 100644 (file)
--- a/README.md
+++ b/README.md
@@ -26,8 +26,11 @@ Executing
 
 ```
 make -j -k
-./build.py
 ./test-svrt.py
 ```
 
 should generate an image example.png in the current directory.
+
+Note that the image generation does not take advantage of GPUs or
+multi-core, and can be as fast as 3,000 vignettes per second and as
+slow as 40 on a 4GHz i7-6700K.