diff --git a/experiments/remhos/experiment.py b/experiments/remhos/experiment.py
index 97481d5f3..933b8736c 100644
--- a/experiments/remhos/experiment.py
+++ b/experiments/remhos/experiment.py
@@ -86,7 +86,7 @@ def compute_applications_section(self):
         self.add_experiment_variable("lo", 5, False)
         self.add_experiment_variable("fct", 2, False)
         self.add_experiment_variable("vs", 1, False)
-        self.add_experiment_variable("ms", 5, False)
+        self.add_experiment_variable("ms", 100, False)
 
         # resource_count is the number of resources used for this experiment:
         self.add_experiment_variable("resource_count", 4, False)
diff --git a/repos/spack_repo/benchpark/packages/camp/package.py b/repos/spack_repo/benchpark/packages/camp/package.py
new file mode 100644
index 000000000..72ed73b07
--- /dev/null
+++ b/repos/spack_repo/benchpark/packages/camp/package.py
@@ -0,0 +1,18 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from spack.package import *
+from spack_repo.builtin.packages.camp.package import Camp as BuiltinCamp
+
+
+class Camp(BuiltinCamp):
+
+    variant("default_stream", default=False, description="Use default stream")
+
+    def cmake_args(self):
+        options = super().cmake_args()
+        options.append(self.define_from_variant("CAMP_USE_PLATFORM_DEFAULT_STREAM", "default_stream"))
+
+        return options
diff --git a/repos/spack_repo/benchpark/packages/cce/package.py b/repos/spack_repo/benchpark/packages/cce/package.py
new file mode 100644
index 000000000..b3ba740e0
--- /dev/null
+++ b/repos/spack_repo/benchpark/packages/cce/package.py
@@ -0,0 +1,20 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import os
+import shutil
+import sys
+
+from spack.package import *
+from spack_repo.builtin.packages.cce.package import Cce as BuiltinCce
+
+
+class Cce(BuiltinCce):
+    def _standard_flag(self, *, language, standard):
+        flags = {
+            "cxx": {"11": "-std=c++11", "14": "-std=c++14", "17": "-std=c++17", "20": "-std=c++20"},
+            "c": {"99": "-std=c99", "11": "-std=c11"},
+        }
+        return flags[language][standard]
diff --git a/repos/spack_repo/benchpark/packages/laghos/package.py b/repos/spack_repo/benchpark/packages/laghos/package.py
index 05f713bb7..f4abd587b 100644
--- a/repos/spack_repo/benchpark/packages/laghos/package.py
+++ b/repos/spack_repo/benchpark/packages/laghos/package.py
@@ -52,7 +52,7 @@ class Laghos(MakefilePackage, CudaPackage, ROCmPackage):
     # Recommended mfem version for laghos v1.x is: ^mfem@3.3.1-laghos-v1.0
     depends_on("mfem@3.3.1-laghos-v1.0", when="@1.0,1.1")
     depends_on("mfem+caliper", when="+caliper")
-    depends_on("mfem cxxstd=17")
+    depends_on("mfem cxxstd=20", when="@develop")
 
     requires("^[virtuals=zlib-api] zlib")
 
diff --git a/repos/spack_repo/benchpark/packages/mfem/package.py b/repos/spack_repo/benchpark/packages/mfem/package.py
index e41b8add4..068fdeb5a 100644
--- a/repos/spack_repo/benchpark/packages/mfem/package.py
+++ b/repos/spack_repo/benchpark/packages/mfem/package.py
@@ -15,7 +15,14 @@ class Mfem(BuiltinMfem):
 
     variant("caliper", default=False, description="Build Caliper support")
 
-    depends_on("camp", when="+umpire")
+    depends_on("camp+default_stream", when="+umpire")
+    depends_on("camp@main", when="@develop +umpire")
+    depends_on("umpire@develop", when="@develop +umpire")
+
+    depends_on("camp+default_stream", when="+raja")
+    depends_on("camp@main", when="@develop +raja")
+    depends_on("raja@develop cxxstd=20", when="@develop +raja")
+
     depends_on("caliper", when="+caliper")
     depends_on("adiak", when="+caliper")
     depends_on("hypre+shared", when="+mpi~cuda")
@@ -40,22 +47,6 @@ def yes_no(varstr):
 
         options = super().get_make_config_options(spec, prefix)
 
-        if "+umpire" in spec:
-            umpire = spec["umpire"]
-            umpire_opts = umpire.headers
-            umpire_libs = umpire.libs
-            if "^camp" in umpire:
-                umpire_opts += umpire["camp"].headers
-                umpire_libs += umpire["camp"].libs
-            if "^fmt" in umpire:
-                umpire_opts += umpire["fmt"].headers
-                umpire_libs += umpire["fmt"].libs
-            options = [
-                "UMPIRE_OPT=%s" % umpire_opts.cpp_flags if opt.startswith("UMPIRE_OPT=")
-                else "UMPIRE_LIB=%s" % self.ld_flags_from_library_list(umpire_libs) if opt.startswith("UMPIRE_LIB=")
-                else opt for opt in options
-            ]
-
         options.append("MFEM_USE_CALIPER=%s" % yes_no("+caliper"))
         if "+caliper" in self.spec: 
             options.append("CALIPER_DIR=%s" % self.spec["caliper"].prefix)
diff --git a/repos/spack_repo/benchpark/packages/remhos/package.py b/repos/spack_repo/benchpark/packages/remhos/package.py
index c9e35b4e5..46f8ebbdc 100644
--- a/repos/spack_repo/benchpark/packages/remhos/package.py
+++ b/repos/spack_repo/benchpark/packages/remhos/package.py
@@ -47,7 +47,7 @@ class Remhos(MakefilePackage, CudaPackage, ROCmPackage):
     depends_on("mfem@develop", when="@develop")
     depends_on("mfem@4.1.0:", when="@1.0")
     depends_on("mfem+caliper", when="+caliper")
-    depends_on("mfem cxxstd=17")
+    depends_on("mfem cxxstd=20", when="@develop")
 
     requires("^[virtuals=zlib-api] zlib")