diff --git a/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv b/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv
index fba91d5366b52..0f5d228108f82 100644
--- a/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv
+++ b/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv
@@ -6,7 +6,7 @@ THREAD_COUNT_DEFAULT,256,,256,256,,,,,,512,512,,512,256,512,512,512,,256
 ,,,,,,,,,,,,,,,,,,,
 LB:,,,,,,,,,,,,,,,,,,,
 GPUTPCCreateTrackingData,256,,"[256, 7]","[192, 2]",,,,,,"[224, 7]",256,"[128, 14]",416,,"[64, 21]",,384,"[320, 2]",64
-GPUTPCTrackletConstructor,256,,"[768, 8]","[512, 10]","[256, 2]","[256, 1]","[256, 2]","[1024, 2]","[512, 4]",1024,"[256, 2]",1024,"[1024, 1]",,"[768, 2]",,768,512,
+GPUTPCTrackletConstructor,256,,"[768, 8]","[512, 10]","[256, 2]","[256, 1]","[256, 2]","[1024, 2]","[512, 4]",1024,"[256, 2]",1024,"[1024, 1]",,"[768, 2]",,768,512,"[256, 32]"
 GPUTPCTrackletSelector,256,,"[384, 5]","[192, 10]","[256, 3]","[256, 1]","[256, 3]","[512, 4]","[256, 3]","[288, 3]","[192, 3]","[544, 1]","[32, 2]",,"[384, 3]",,992,"[256, 6]",
 GPUTPCNeighboursFinder,256,,"[192, 8]","[960, 8]",256,256,256,512,256,864,"[640, 1]","[512, 2]","[736, 1]",,"[480, 3]",,992,"[704, 1]",
 GPUTPCNeighboursCleaner,256,,"[128, 5]","[384, 9]",256,256,256,256,256,544,512,"[192, 9]","[512, 1]",,"[384, 5]",,672,"[640, 1]",
@@ -16,7 +16,7 @@ GPUTPCCreateOccupancyMap_fill,256,,,,,,,,,256,,256,256,,256,,,256,
 GPUTPCCreateOccupancyMap_fold,256,,,,,,,,,256,,256,256,,256,,,256,
 GPUTRDTrackerKernels_o2Version,512,,,,,,,,,512,,512,512,,512,,,512,
 GPUTPCCompressionKernels_step0attached,256,,"[128, 1]","[64, 2]",,,,,,"[160, 2]",128,"[448, 1]",352,,"[1024, 1]",,"[96, 3]","[128, 4]",
-GPUTPCCompressionKernels_step1unattached,256,,"[512, 2]","[512, 2]",,,,,,"[288, 4]","[512, 2]","[256, 4]","[512, 2]",,"[512, 3]",,"[512, 2]","[512, 3]","[256, 8]"
+GPUTPCCompressionKernels_step1unattached,256,,"[512, 2]","[512, 2]",,,,,,"[288, 4]","[512, 2]","[256, 4]","[512, 2]",,"[512, 3]",,"[512, 2]","[512, 3]","[256, 64]"
 GPUTPCDecompressionKernels_step0attached,256,,"[128, 2]","[128, 2]",,,,,,"[32, 1]","[32, 1]","[32, 1]","[32, 1]",,"[128, 1]",,"[32, 1]","[128, 1]",
 GPUTPCDecompressionKernels_step1unattached,256,,"[64, 2]","[64, 2]",,,,,,"[32, 1]","[32, 1]","[32, 1]","[32, 1]",,"[64, 1]",,"[32, 1]","[64, 1]",
 GPUTPCDecompressionUtilKernels_sortPerSectorRow,256,,,,,,,,,256,,256,256,,256,,,256,
@@ -28,8 +28,8 @@ GPUTPCCFDecodeZSDenseLink,"""GPUCA_WARP_SIZE""",,"[""GPUCA_WARP_SIZE"", 4]","[""
 GPUTPCCFGather,"[1024, 1]",,"[1024, 5]","[1024, 1]",,,,,,"[160, 11]","[1024, 1]",736,896,,"[928, 1]",,"[1024, 1]","[320, 2]",
 COMPRESSION_GATHER,1024,,1024,1024,,,,,,1024,1024,,1024,,,,,,
 GPUTPCGMMergerTrackFit,256,,"[192, 2]","[64, 7]",,,,,,"[32, 16]","[32, 8]","[32, 14]","[160, 2]",,"[32, 24]",,"[64, 8]","[64, 6]","[64, 4]"
-GPUTPCGMMergerFollowLoopers,256,,"[256, 5]","[256, 4]",,,,,,"[256, 4]","[128, 4]","[1024, 1]",640,,"[128, 16]",,"[224, 3]","[256, 7]","[1, 16]"
-GPUTPCGMMergerSectorRefit,256,,"[64, 4]","[256, 2]",,,,,,"[32, 8]","[64, 5]","[32, 7]","[32, 7]",,"[32, 20]",,"[32, 10]","[64, 4]",
+GPUTPCGMMergerFollowLoopers,256,,"[256, 5]","[256, 4]",,,,,,"[256, 4]","[128, 4]","[1024, 1]",640,,"[128, 16]",,"[224, 3]","[256, 7]","[32, 64]"
+GPUTPCGMMergerSectorRefit,256,,"[64, 4]","[256, 2]",,,,,,"[32, 8]","[64, 5]","[32, 7]","[32, 7]",,"[32, 20]",,"[32, 10]","[64, 4]","[256, 8]"
 GPUTPCGMMergerUnpackResetIds,256,,256,256,,,,,,256,256,256,256,,256,,256,256,
 GPUTPCGMMergerUnpackGlobal,256,,256,256,,,,,,256,256,256,256,,256,,256,256,
 GPUTPCGMMergerResolve_step0,256,,512,256,,,,,,256,256,256,256,,256,,256,256,