Further work to improve indexing code gen.

Author: chriselrod

Project.toml

@@ -1,7 +1,7 @@
 name = "LoopVectorization"
 uuid = "bdcacae8-1622-11e9-2a5c-532679323890"
 authors = ["Chris Elrod <[email protected]>"]
-version = "0.8.8"
+version = "0.8.9"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
@@ -15,10 +15,10 @@ VectorizationBase = "3d5dd08c-fd9d-11e8-17fa-ed2836048c2f"
 [compat]
 DocStringExtensions = "0.8"
 OffsetArrays = "1"
-SIMDPirates = "0.8.11"
+SIMDPirates = "0.8.12"
 SLEEFPirates = "0.5"
 UnPack = "0,1"
-VectorizationBase = "0.12.14"
+VectorizationBase = "0.12.15"
 julia = "1.1"
 
 [extras]

benchmark/benchmarkflops.jl

@@ -61,9 +61,9 @@ function matmul_bench!(br, C, A, B, i)
     @assert C ≈ Cblas "Fort builtin gemm wrong?"; fill!(C, NaN)
     br[10,i] = n_gflop / @belapsed ifgemm_builtin!($C, $A, $B)
     @assert C ≈ Cblas "ifort builtin gemm wrong?"; fill!(C, NaN)
-    br[11,i] = n_gflop / @belapsed dgemmopenblas!($C, $A, $B);
+    br[11,i] = n_gflop / @belapsed gemmopenblas!($C, $A, $B);
     @assert C ≈ Cblas "OpenBLAS gemm wrong?"
-    br[12,i] = n_gflop / @belapsed dgemmmkl!($C, $A, $B)
+    br[12,i] = n_gflop / @belapsed gemmmkl!($C, $A, $B)
     @assert C ≈ Cblas "MKL gemm wrong?"
     # br[12,i] = n_gflop / @belapsed gemmavx!($C, $A, $B)
 end

benchmark/loadsharedlibs.jl

@@ -24,7 +24,7 @@ end
 ffile = joinpath(LOOPVECBENCHDIR, "looptests.f90")
 if !isfile(LIBFTEST) || mtime(ffile) > mtime(LIBFTEST)
     # --param max-unroll-times defaults to ≥8, which is generally excessive
-    run(`gfortran -Ofast -march=native -funroll-loops -mprefer-vector-width=$(8REGISTER_SIZE) -shared -fPIC $ffile -o $LIBFTEST`)
+    run(`gfortran -Ofast -march=native -funroll-loops -mprefer-vector-width=$(8REGISTER_SIZE) -fvariable-expansion-in-unroller --param max-variable-expansions-in-unroller=4 -shared -fPIC $ffile -o $LIBFTEST`)
     # run(`gfortran -Ofast -march=native -funroll-loops -floop-nest-optimize -mprefer-vector-width=$(8REGISTER_SIZE) -shared -fPIC $ffile -o $LIBFTEST`)
 end
 if !isfile(LIBIFTEST) || mtime(ffile) > mtime(LIBIFTEST)