GPU TBB: Fix threading in case nThreadsAdjusted becomes 1

davidrohr · davidrohr · commit 637cbe0aee37 · 2025-02-26T22:45:07.000+01:00
diff --git a/GPU/GPUTracking/Base/GPUReconstructionProcessing.cxx b/GPU/GPUTracking/Base/GPUReconstructionProcessing.cxx
@@ -51,7 +51,9 @@ void GPUReconstructionProcessing::runParallelOuterLoop(bool doGPU, uint32_t nThr
       tbb::parallel_for<uint32_t>(0, nThreads, lambda, tbb::simple_partitioner());
     });
   } else {
-    lambda(0);
+    for (uint32_t i = 0; i < nThreads; i++) {
+      lambda(i);
+    }
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,9 @@ void GPUReconstructionProcessing::runParallelOuterLoop(bool doGPU, uint32_t nThr`
`51`	`51`	`tbb::parallel_for<uint32_t>(0, nThreads, lambda, tbb::simple_partitioner());`
`52`	`52`	`});`
`53`	`53`	`} else {`
`54`		`- lambda(0);`
	`54`	`+ for (uint32_t i = 0; i < nThreads; i++) {`
	`55`	`+ lambda(i);`
	`56`	`+ }`
`55`	`57`	`}`
`56`	`58`	`}`
`57`	`59`