OMP threads may cause 10x speed falls

Rdatatable/data.table#3300 Rdatatable/data.table#3395
HughParsonage · Feb 13, 2019 · 7e534e5 · 7e534e5
1 parent 8719178
commit 7e534e5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -7,6 +7,7 @@ jobs:
         environment:
           NOT_CRAN: true
           TRAVIS: false
+          OMP_NUM_THREADS: 1
 
     parallelism: 4
     steps: