bump INI file version; remove mention of discontinued barrett24 kernel

src/mfakto.ini

@@ -1,4 +1,4 @@
-# Version 0.15
+# Version 0.16
 
 # Verbosity: defines the amount of screen output from mfakto. Overridden by the
 # command-line option -v
@@ -101,10 +101,11 @@ NumStreams=3
 # requires more registers. If mfakto needs more storage than available, then
 # the slower scratchpad memory will be used. On most hardware, this happens at
 # a vector size of 8 or above.
-# Testing on a Radeon HD 6870 has shown that VectorSize=8 is the fastest for
-# the barrett92 (about 0.8% faster than VectorSize=4 in this case) and
-# barrett24 kernels. For everything else, a vector size of 4 gives the best
-# performance.
+#
+# Testing on a Radeon HD 6870 has shown VectorSize=8 to be the fastest for the
+# 92-bit Barrett reduction kernels, about 0.8% faster than VectorSize=4 in this
+# case. For everything else, a vector size of 4 gives the best performance.
+#
 # It is recommended to use VectorSize=2 on the Radeon HD 7700 - 7900 series as
 # there are less registers available.
 #
@@ -168,8 +169,8 @@ Logging=0
 
 LogFile=mfakto.log
 
-# Checkpoints allow mfakto to resume an assignment from a previous session.
-# mfakto can write a checkpoint after finishing a class.
+# A checkpoint file allows an assignment to be saved across sessions. mfakto
+# can write a checkpoint after finishing a class.
 # 0 = disable checkpoints
 # 1 = enable checkpoints and use CheckpointDelay to set the interval
 # n = write a checkpoint after testing n classes, for n > 1