Stride penalty increase (#466)

* Increase stride penalty

* formatting

Author: chriselrod

Project.toml

@@ -1,7 +1,7 @@
 name = "LoopVectorization"
 uuid = "bdcacae8-1622-11e9-2a5c-532679323890"
 authors = ["Chris Elrod <[email protected]>"]
-version = "0.12.152"
+version = "0.12.153"
 
 [weakdeps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"

src/modeling/determinestrategy.jl

@@ -859,7 +859,7 @@ function stride_penalty(ls::LoopSet, order::Vector{Symbol})
   if iszero(length(values(stridepenaltydict)))
     0.0
   else # 1 / 1024 = 0.0009765625
-    10.0sum(maximum, values(stridepenaltydict)) *
+    50.0sum(maximum, values(stridepenaltydict)) *
     Base.power_by_squaring(0.0009765625, length(order))
   end
 end

src/modeling/graphs.jl

@@ -8,7 +8,7 @@ struct Loop
   start::MaybeKnown
   stop::MaybeKnown
   step::MaybeKnown
-  rangesym::Symbol# === Symbol("") means loop is static
+  rangesym::Symbol # === Symbol("") means loop is static
   lensym::Symbol
 end