Adjusted inputs to shootout/spectral-norm for run-times.

Times on Ryzen 4700 laptop (16GB):
From 0.038s/0.310s/1.474s
To   0.112s/1.222s/7.051s

shootout/spectral-norm/Makefile

@@ -2,9 +2,9 @@ TOP = ../..
 include $(TOP)/mk/boilerplate.mk
 include $(TOP)/mk/target.mk
 
-FAST_OPTS =  800
-NORM_OPTS = 2500
-SLOW_OPTS = 5500  # official shootout setting
+FAST_OPTS = 1500
+NORM_OPTS = 5000
+SLOW_OPTS = 12000  # official shootout setting is 5500
 
 # The benchmark game also uses -fllvm, which we can't since it might
 # not be available on the developer's machine.

shootout/spectral-norm/spectral-norm.faststdout

-1.274224144
+1.274224151