test/jdk/jdk/incubator/vector/templates/Perf-Scalar-Rearrange.template

rev 55606 : 8221812: Fine-tune jmh test for vector api
Summary: To compare performance of vector api and auto vectorization, vector
api and scalar test cases are updated to keep aligned.
Reviewed-by: duke

*** 1,39 ****
!     Object rearrangeShared(int window) {
          $type$[] as = fa.apply(size);
          int[] order = fs.apply(size);
          $type$[] rs = fr.apply(size);
  
          for (int i = 0; i < as.length; i += window) {
              for (int j = 0; j < window; j++) {
                  $type$ a = as[i+j];
                  int pos = order[j];
                  rs[i + pos] = a;
              }
          }
  
!         return rs;
      }
  
      @Benchmark
!     public Object rearrange064() {
          int window = 64 / $Wideboxtype$.SIZE;
!         return rearrangeShared(window);
      }
  
      @Benchmark
!     public Object rearrange128() {
          int window = 128 / $Wideboxtype$.SIZE;
!         return rearrangeShared(window);
      }
  
      @Benchmark
!     public Object rearrange256() {
          int window = 256 / $Wideboxtype$.SIZE;
!         return rearrangeShared(window);
      }
  
      @Benchmark
!     public Object rearrange512() {
          int window = 512 / $Wideboxtype$.SIZE;
!         return rearrangeShared(window);
      }
--- 1,41 ----
!     void rearrangeShared(int window, Blackhole bh) {
          $type$[] as = fa.apply(size);
          int[] order = fs.apply(size);
          $type$[] rs = fr.apply(size);
  
+         for (int ic = 0; ic < INVOC_COUNT; ic++) {
              for (int i = 0; i < as.length; i += window) {
                  for (int j = 0; j < window; j++) {
                      $type$ a = as[i+j];
                      int pos = order[j];
                      rs[i + pos] = a;
                  }
              }
+         }
  
!         bh.consume(rs);
      }
  
      @Benchmark
!     public void rearrange064(Blackhole bh) {
          int window = 64 / $Wideboxtype$.SIZE;
!         rearrangeShared(window, bh);
      }
  
      @Benchmark
!     public void rearrange128(Blackhole bh) {
          int window = 128 / $Wideboxtype$.SIZE;
!         rearrangeShared(window, bh);
      }
  
      @Benchmark
!     public void rearrange256(Blackhole bh) {
          int window = 256 / $Wideboxtype$.SIZE;
!         rearrangeShared(window, bh);
      }
  
      @Benchmark
!     public void rearrange512(Blackhole bh) {
          int window = 512 / $Wideboxtype$.SIZE;
!         rearrangeShared(window, bh);
      }