diff --git a/GenericIOBenchmarkWrite.cxx b/GenericIOBenchmarkWrite.cxx
index 37e9882deed42b436c33a2793d30df2bdc5f7f8e..39ca35bef5211fda351f086d9f803cb45d9d7012 100644
--- a/GenericIOBenchmarkWrite.cxx
+++ b/GenericIOBenchmarkWrite.cxx
@@ -99,6 +99,7 @@ int main(int argc, char *argv[]) {
   MPI_Comm_size(MPI_COMM_WORLD, &commRanks);
 
   bool UseAOS = false;
+  bool UseLC = false;
   int a = 1;
   if (argc > 1 && string(argv[a]) == "-a") {
     UseAOS = true;
@@ -112,8 +113,15 @@ int main(int argc, char *argv[]) {
     ++a;
   }
 
+  if (argc > 1 && string(argv[a]) == "-l") {
+    UseLC = true;
+    --argc;
+    ++a;
+  }
+
+
   if(argc != 4) {
-    fprintf(stderr,"USAGE: %s [-a] [-c] <mpiioName> <NP> <seed>\n", argv[0]);
+    fprintf(stderr,"USAGE: %s [-a] [-c] [-l] <mpiioName> <NP> <seed>\n", argv[0]);
     exit(-1);
   }
 
@@ -183,14 +191,20 @@ int main(int argc, char *argv[]) {
   std::generate(id.begin(), id.end(), Generator<ID_T>(25, 3));
   std::fill(mask.begin(), mask.end(), 25);
 
+  GenericIO::LossyCompressionInfo LCI;
+  if (UseLC) {
+    LCI.Mode = GenericIO::LossyCompressionInfo::LCModeRel;
+    LCI.RelErrThreshold = 1e-3;
+  }
+
   if (UseAOS) {
     GIO.addVariable("pos", pos, CoordFlagsX | CoordFlagsY | CoordFlagsZ |
-                                GenericIO::VarHasExtraSpace);
+                                GenericIO::VarHasExtraSpace, LCI);
     GIO.addVariable("vel", vel, GenericIO::VarHasExtraSpace);
   } else {
-    GIO.addVariable("x", xx, CoordFlagsX | GenericIO::VarHasExtraSpace);
-    GIO.addVariable("y", yy, CoordFlagsY | GenericIO::VarHasExtraSpace);
-    GIO.addVariable("z", zz, CoordFlagsZ | GenericIO::VarHasExtraSpace);
+    GIO.addVariable("x", xx, CoordFlagsX | GenericIO::VarHasExtraSpace, LCI);
+    GIO.addVariable("y", yy, CoordFlagsY | GenericIO::VarHasExtraSpace, LCI);
+    GIO.addVariable("z", zz, CoordFlagsZ | GenericIO::VarHasExtraSpace, LCI);
     GIO.addVariable("vx", vx, GenericIO::VarHasExtraSpace);
     GIO.addVariable("vy", vy, GenericIO::VarHasExtraSpace);
     GIO.addVariable("vz", vz, GenericIO::VarHasExtraSpace);