Begin optimization report for: main()

    Report from: Vector optimizations [vec]


LOOP BEGIN at /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/c++/v1/vector(899,20) inlined into test.cpp(60,23)
   remark #15344: loop was not vectorized: vector dependence prevents vectorization. First dependence is shown below. Use level 5 report for details
   remark #15346: vector dependence: assumed OUTPUT dependence between __end_ line 1685 and __end_ line 897
LOOP END

LOOP BEGIN at /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/c++/v1/vector(899,20) inlined into test.cpp(61,23)
   remark #15344: loop was not vectorized: vector dependence prevents vectorization. First dependence is shown below. Use level 5 report for details
   remark #15346: vector dependence: assumed OUTPUT dependence between __end_ line 1685 and __end_ line 897
LOOP END

LOOP BEGIN at /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/c++/v1/vector(442,5) inlined into test.cpp(68,1)
   remark #15414: loop was not vectorized: nothing to vectorize since loop body became empty after optimizations
LOOP END

LOOP BEGIN at /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/c++/v1/vector(442,5) inlined into test.cpp(68,1)
   remark #15414: loop was not vectorized: nothing to vectorize since loop body became empty after optimizations
LOOP END
===========================================================================

Begin optimization report for: test30_c(double *, int, int)

    Report from: Vector optimizations [vec]


LOOP BEGIN at test.cpp(7,5)
   remark #15542: loop was not vectorized: inner loop was already vectorized

   LOOP BEGIN at test.cpp(9,9)
   <Peeled>
   LOOP END

   LOOP BEGIN at test.cpp(9,9)
      remark #15399: vectorization support: unroll factor set to 8
      remark #15300: LOOP WAS VECTORIZED
      remark #15442: entire loop may be executed in remainder
      remark #15448: unmasked aligned unit stride loads: 1 
      remark #15475: --- begin vector loop cost summary ---
      remark #15476: scalar loop cost: 10 
      remark #15477: vector loop cost: 28.000 
      remark #15478: estimated potential speedup: 2.580 
      remark #15479: lightweight vector operations: 6 
      remark #15480: medium-overhead vector operations: 1 
      remark #15488: --- end vector loop cost summary ---
   LOOP END

   LOOP BEGIN at test.cpp(9,9)
   <Remainder>
      remark #15301: REMAINDER LOOP WAS VECTORIZED
   LOOP END

   LOOP BEGIN at test.cpp(9,9)
   <Remainder>
   LOOP END
LOOP END
===========================================================================

Begin optimization report for: test30_cpp(std::__1::vector<double, std::__1::allocator<double>> &, int)

    Report from: Vector optimizations [vec]


LOOP BEGIN at test.cpp(19,5)
   remark #15542: loop was not vectorized: inner loop was already vectorized

   LOOP BEGIN at test.cpp(21,39)
   <Peeled>
   LOOP END

   LOOP BEGIN at test.cpp(21,39)
      remark #15399: vectorization support: unroll factor set to 8
      remark #15300: LOOP WAS VECTORIZED
      remark #15442: entire loop may be executed in remainder
      remark #15448: unmasked aligned unit stride loads: 1 
      remark #15475: --- begin vector loop cost summary ---
      remark #15476: scalar loop cost: 9 
      remark #15477: vector loop cost: 28.000 
      remark #15478: estimated potential speedup: 2.350 
      remark #15479: lightweight vector operations: 6 
      remark #15480: medium-overhead vector operations: 1 
      remark #15488: --- end vector loop cost summary ---
   LOOP END

   LOOP BEGIN at test.cpp(21,39)
   <Remainder>
      remark #15301: REMAINDER LOOP WAS VECTORIZED
   LOOP END

   LOOP BEGIN at test.cpp(21,39)
   <Remainder>
   LOOP END
LOOP END
===========================================================================

Begin optimization report for: test80_c(double *, double *, int, int)

    Report from: Vector optimizations [vec]


LOOP BEGIN at test.cpp(31,5)
   remark #15542: loop was not vectorized: inner loop was already vectorized

   LOOP BEGIN at test.cpp(33,9)
   <Peeled>
   LOOP END

   LOOP BEGIN at test.cpp(33,9)
      remark #15399: vectorization support: unroll factor set to 4
      remark #15300: LOOP WAS VECTORIZED
      remark #15442: entire loop may be executed in remainder
      remark #15448: unmasked aligned unit stride loads: 2 
      remark #15475: --- begin vector loop cost summary ---
      remark #15476: scalar loop cost: 62 
      remark #15477: vector loop cost: 92.000 
      remark #15478: estimated potential speedup: 2.620 
      remark #15479: lightweight vector operations: 13 
      remark #15480: medium-overhead vector operations: 1 
      remark #15488: --- end vector loop cost summary ---
   LOOP END

   LOOP BEGIN at test.cpp(33,9)
      remark #25460: No loop optimizations reported
   LOOP END

   LOOP BEGIN at test.cpp(33,9)
   <Remainder>
      remark #15301: REMAINDER LOOP WAS VECTORIZED
   LOOP END

   LOOP BEGIN at test.cpp(33,9)
   <Remainder>
   LOOP END
LOOP END
===========================================================================

Begin optimization report for: test80_cpp(const std::__1::vector<double, std::__1::allocator<double>> &, const std::__1::vector<double, std::__1::allocator<double>> &, int)

    Report from: Vector optimizations [vec]


LOOP BEGIN at test.cpp(44,5)
   remark #15542: loop was not vectorized: inner loop was already vectorized

   LOOP BEGIN at test.cpp(46,39)
   <Peeled>
   LOOP END

   LOOP BEGIN at test.cpp(46,39)
      remark #15399: vectorization support: unroll factor set to 4
      remark #15300: LOOP WAS VECTORIZED
      remark #15442: entire loop may be executed in remainder
      remark #15448: unmasked aligned unit stride loads: 2 
      remark #15475: --- begin vector loop cost summary ---
      remark #15476: scalar loop cost: 60 
      remark #15477: vector loop cost: 92.000 
      remark #15478: estimated potential speedup: 2.540 
      remark #15479: lightweight vector operations: 13 
      remark #15480: medium-overhead vector operations: 1 
      remark #15488: --- end vector loop cost summary ---
   LOOP END

   LOOP BEGIN at test.cpp(46,39)
      remark #25460: No loop optimizations reported
   LOOP END

   LOOP BEGIN at test.cpp(46,39)
   <Remainder>
      remark #15301: REMAINDER LOOP WAS VECTORIZED
   LOOP END

   LOOP BEGIN at test.cpp(46,39)
   <Remainder>
   LOOP END
LOOP END
===========================================================================