GPU: Improve track sorting before merging, group discarded tracks

davidrohr · davidrohr · commit f5d4b1a19a12 · 2025-10-24T09:24:02.000+02:00
diff --git a/GPU/GPUTracking/Merger/GPUTPCGMMerger.cxx b/GPU/GPUTracking/Merger/GPUTPCGMMerger.cxx
@@ -92,6 +92,9 @@ struct GPUTPCGMMergerSortTracks_comp {
   {
     const GPUTPCGMMergedTrack& GPUrestrict() a = mCmp[aa];
     const GPUTPCGMMergedTrack& GPUrestrict() b = mCmp[bb];
+    if (a.OK() != b.OK()) {
+      return a.OK();
+    }
     if (a.CCE() != b.CCE()) {
       return a.CCE() > b.CCE();
     }

Original file line number	Diff line number	Diff line change
`@@ -92,6 +92,9 @@ struct GPUTPCGMMergerSortTracks_comp {`
`92`	`92`	`{`
`93`	`93`	`const GPUTPCGMMergedTrack& GPUrestrict() a = mCmp[aa];`
`94`	`94`	`const GPUTPCGMMergedTrack& GPUrestrict() b = mCmp[bb];`
	`95`	`+ if (a.OK() != b.OK()) {`
	`96`	`+ return a.OK();`
	`97`	`+ }`
`95`	`98`	`if (a.CCE() != b.CCE()) {`
`96`	`99`	`return a.CCE() > b.CCE();`
`97`	`100`	`}`