Changeset 5f6b2c2 for libcfa/src

Timestamp:

Oct 5, 2022, 5:20:18 PM (2 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, master

Children:

0deeaad

Parents:

d1cd4c4

Message:

Fixed case where the measure time could be 0 and log2(0) is a problem.

File:

• libcfa/src/concurrency/kernel/cluster.hfa (modified) (2 diffs)

libcfa/src/concurrency/kernel/cluster.hfa

@@ -39 +39 @@
 
 // convert to log2 scale but using double
-static inline __readyQ_avg_t __to_readyQ_avg(unsigned long long intsc) { return log2(intsc); }
+static inline __readyQ_avg_t __to_readyQ_avg(unsigned long long intsc) { if(unlikely(0 == intsc)) return 0.0; else return log2(intsc); }
 
 #define warn_large_before warnf( !strict || old_avg < 35.0, "Suspiciously large previous average: %'lf, %'ldms \n", old_avg, program()`ms )
@@ -56 +56 @@
         uint64_t *rp = &ret;
         double ret = *(volatile double *)rp;
-        double c = 3e-100;
         /* paranoid */ verify( ret == 0 || ret > 3e-100 );
         return ret;