diff --git a/cime_config/allactive/config_pesall.xml b/cime_config/allactive/config_pesall.xml
index 0d5f24565966..deedb5637de1 100644
--- a/cime_config/allactive/config_pesall.xml
+++ b/cime_config/allactive/config_pesall.xml
@@ -1169,14 +1169,14 @@
       <pes compset="any" pesize="any">
         <comment>improv: any compset on ne30np4 grid</comment>
         <ntasks>
-          <ntasks_atm>-4</ntasks_atm>
-          <ntasks_lnd>-4</ntasks_lnd>
-          <ntasks_rof>-4</ntasks_rof>
-          <ntasks_ice>-4</ntasks_ice>
-          <ntasks_ocn>-4</ntasks_ocn>
-          <ntasks_cpl>-4</ntasks_cpl>
-          <ntasks_glc>-4</ntasks_glc>
-          <ntasks_wav>-4</ntasks_wav>
+          <ntasks_atm>-6</ntasks_atm>
+          <ntasks_lnd>-6</ntasks_lnd>
+          <ntasks_rof>-6</ntasks_rof>
+          <ntasks_ice>-6</ntasks_ice>
+          <ntasks_ocn>-6</ntasks_ocn>
+          <ntasks_cpl>-6</ntasks_cpl>
+          <ntasks_glc>-6</ntasks_glc>
+          <ntasks_wav>-6</ntasks_wav>
         </ntasks>
       </pes>
       <pes compset=".*EAM.+ELM.+MPASSI.+SGLC.+SWAV.+BGC.*" pesize="any">
@@ -2065,6 +2065,21 @@
         </rootpe>
       </pes>
     </mach>
+    <mach name="improv">
+      <pes compset=".*EAM.+ELM.+MPASSI.+MPASO.+MOSART.+SGLC.+SWAV.+" pesize="S">
+        <comment>improv+allactive: RRM-WCYCL on 6 nodes</comment>
+        <ntasks>
+          <ntasks_atm>-6</ntasks_atm>
+          <ntasks_lnd>-6</ntasks_lnd>
+          <ntasks_rof>-6</ntasks_rof>
+          <ntasks_ice>-6</ntasks_ice>
+          <ntasks_ocn>-6</ntasks_ocn>
+          <ntasks_cpl>-6</ntasks_cpl>
+          <ntasks_glc>-6</ntasks_glc>
+          <ntasks_wav>-6</ntasks_wav>
+        </ntasks>
+      </pes>
+    </mach>
     <mach name="chrysalis">
       <pes compset=".*EAM.+ELM.+MPASSI.+MPASO.+MOSART.+SGLC.+SWAV.+" pesize="T">
         <comment> cmod016b64x1 s=2.4 </comment>
diff --git a/cime_config/machines/config_machines.xml b/cime_config/machines/config_machines.xml
index 9142a5fb24ee..0e3295d5f2cb 100644
--- a/cime_config/machines/config_machines.xml
+++ b/cime_config/machines/config_machines.xml
@@ -2775,7 +2775,7 @@ commented out until "*** No rule to make target '.../libadios2pio-nm-lib.a'" iss
       <env name="PATH">/lcrc/group/e3sm/soft/improv/pnetcdf/1.12.3/gcc-12.3.0/openmpi-4.1.6/bin:/lcrc/group/e3sm/soft/improv/netcdf-fortran/4.6.1b/gcc-12.3.0/openmpi-4.1.6/bin:/lcrc/group/e3sm/soft/improv/netcdf-c/4.9.2b/gcc-12.3.0/openmpi-4.1.6/bin:/lcrc/group/e3sm/soft/improv/openmpi/4.1.6/gcc-12.3.0/bin:/lcrc/group/e3sm/soft/perl/improv/bin:$ENV{PATH}</env>
       <env name="LD_LIBRARY_PATH">$SHELL{lp=/lcrc/group/e3sm/soft/improv/netlib-lapack/3.12.0/gcc-12.3.0:/lcrc/group/e3sm/soft/improv/pnetcdf/1.12.3/gcc-12.3.0/openmpi-4.1.6/lib:/lcrc/group/e3sm/soft/improv/netcdf-fortran/4.6.1b/gcc-12.3.0/openmpi-4.1.6/lib:/lcrc/group/e3sm/soft/improv/netcdf-c/4.9.2b/gcc-12.3.0/openmpi-4.1.6/lib:/opt/pbs/lib:/lcrc/group/e3sm/soft/improv/openmpi/4.1.6/gcc-12.3.0/lib; if [ -z "$LD_LIBRARY_PATH" ]; then echo $lp; else echo "$lp:$LD_LIBRARY_PATH"; fi}</env>
       <env name="MOAB_ROOT">$SHELL{if [ -z "$MOAB_ROOT" ]; then echo /lcrc/soft/climate/moab/improv/gnu; else echo "$MOAB_ROOT"; fi}</env>
-      <env name="OMPI_MCA_sharedfp">^lockedfile</env>
+      <env name="OMPI_MCA_sharedfp">^lockedfile,individual</env>
     </environment_variables>
     <environment_variables BUILD_THREADED="TRUE">
       <env name="OMP_STACKSIZE">128M</env>