Workaround for inclusive scan issue

sriharikarnam · sriharikarnam · commit 33ecf4e7a385 · 2019-04-23T17:03:41.000+05:30
diff --git a/thrust/system/cuda/detail/scan.inl b/thrust/system/cuda/detail/scan.inl
@@ -221,7 +221,7 @@ OutputIterator inclusive_scan(execution_policy<DerivedPolicy> &exec,
 
   hipStream_t s = stream(thrust::detail::derived_cast(exec));
   
-  const Size threshold_of_parallelism = 20000;
+  const Size threshold_of_parallelism = 512; //Workaround for inclusive scan issue
 
   if(n < threshold_of_parallelism)
   {

Original file line number	Diff line number	Diff line change
`@@ -221,7 +221,7 @@ OutputIterator inclusive_scan(execution_policy<DerivedPolicy> &exec,`
`221`	`221`
`222`	`222`	`hipStream_t s = stream(thrust::detail::derived_cast(exec));`
`223`	`223`
`224`		`- const Size threshold_of_parallelism = 20000;`
	`224`	`+ const Size threshold_of_parallelism = 512; //Workaround for inclusive scan issue`
`225`	`225`
`226`	`226`	`if(n < threshold_of_parallelism)`
`227`	`227`	`{`