< prev index next >

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

Print this page
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 
   2     @Benchmark
   3     public boolean [[TEST]][[TEST_TYPE]][[OP_NAME]]() {
   4         $type$[] as = fa.apply(size);
   5         $type$[] bs = fb.apply(size);
   6 
   7         boolean r = false;


   8         for (int i = 0; i < as.length; i++) {
   9             boolean m = (as[i] [[TEST_OP]] bs[i]);
  10             r |= m; // accumulate so JIT can't eliminate the computation
  11         }

  12 
  13         return r;
  14     }
   1 
   2     @Benchmark
   3     public void [[TEST]][[TEST_TYPE]][[OP_NAME]](Blackhole bh) {
   4         $type$[] as = fa.apply(size);
   5         $type$[] bs = fb.apply(size);
   6 
   7         boolean r = false;
   8         for (int ic = 0; ic < INVOC_COUNT; ic++) {
   9             r = false;
  10             for (int i = 0; i < as.length; i++) {
  11                 boolean m = (as[i] [[TEST_OP]] bs[i]);
  12                 r |= m; // accumulate so JIT can't eliminate the computation
  13             }
  14         }
  15 
  16         bh.consume(r);
  17     }
< prev index next >