diff --git a/garlic/exp/fwi/ss-io.nix b/garlic/exp/fwi/io.nix
similarity index 75%
rename from garlic/exp/fwi/ss-io.nix
rename to garlic/exp/fwi/io.nix
index a561fc9..d0e8317 100644
--- a/garlic/exp/fwi/ss-io.nix
+++ b/garlic/exp/fwi/io.nix
@@ -1,9 +1,9 @@
-# Strong scaling test for FWI variants based on tasks with and without I/O.
+# Test FWI variants based on tasks with and without I/O.
 # This experiment solves a computationally expensive input which brings the
-# storage devices to saturation when I/O is enabled.  the same input us run
-# without I/O for comparison purposes..  Also, the experiments are runt for a
-# range of block sizes deemed as efficient according to the granularity
-# experiment.
+# storage devices to saturation when I/O is enabled. The same input runs
+# without I/O for comparison purposes. Also, a range of block sizes
+# deemed as efficient according to the granularity experiment are
+# explored.
 
 {
   stdenv
@@ -12,6 +12,7 @@
 , targetMachine
 , stages
 , callPackage
+, enableExtended ? false
 }:
 
 with stdenv.lib;
@@ -24,13 +25,10 @@ let
 
   # Initial variable configuration
   varConf = {
-    gitBranch = [
-       "garlic/tampi+send+oss+task"
-    ];
-
+    gitBranch = [ "garlic/tampi+send+oss+task" ];
     blocksize = [ 1 2 4 8 ];
     n = [ {nx=500; nz=500; ny=16000;} ];
-    nodes = [ 1 2 4 8 16 ];
+    nodes = if (enableExtended) then range2 1 16 else [ 4 ];
     ioFreq = [ 9999 (-1) ];
   };
 
@@ -38,7 +36,7 @@ let
 
   # Generate the complete configuration for each unit
   genConf = c: targetMachine.config // rec {
-    expName = "fwi-ss-io";
+    expName = "fwi-io";
     unitName = "${expName}"
     + "-nodes${toString nodes}"
     + "-bs${toString blocksize}"
diff --git a/garlic/exp/fwi/sync-io.nix b/garlic/exp/fwi/sync-io.nix
deleted file mode 100644
index 65bc0bf..0000000
--- a/garlic/exp/fwi/sync-io.nix
+++ /dev/null
@@ -1,86 +0,0 @@
-# This experiment compares the effect of not using I/O versus using O_DIRECT |
-# O_DSYNC enabled I/O. This is a reduced version of the strong_scaling_io
-# experiment.
-
-{
-  stdenv
-, stdexp
-, bsc
-, targetMachine
-, stages
-, callPackage
-}:
-
-with stdenv.lib;
-
-let
-  common = callPackage ./common.nix {};
-  inherit (common) getConfigs getResources pipeline;
-
-  inherit (targetMachine) fs;
-
-  # Initial variable configuration
-  varConf = {
-    gitBranch = [
-       "garlic/tampi+send+oss+task"
-#      "garlic/mpi+send+omp+task"
-#      "garlic/mpi+send+oss+task"
-#      "garlic/mpi+send+seq"
-#      "garlic/oss+task"
-#      "garlic/omp+task"
-#      "garlic/seq"
-    ];
-
-    blocksize = [ 1 ];
-
-    n = [
-        {nx=500; nz=500; ny=16000;}
-    ];
-
-    nodes = [ 4 ];
-    ioFreq = [ 9999 (-1) ];
-  };
-
-  machineConfig = targetMachine.config;
-
-  # Generate the complete configuration for each unit
-  genConf = with bsc; c: targetMachine.config // rec {
-    expName = "fwi-sync-io";
-    unitName = "${expName}"
-      + "-ioFreq${toString ioFreq}"
-      + "-${toString gitBranch}";
-
-    inherit (machineConfig) hw;
-    inherit (c) gitBranch blocksize;
-    inherit (c.n) nx ny nz;
-
-    # Other FWI parameters
-    ioFreq = c.ioFreq;
-
-    # Repeat the execution of each unit several times
-    loops = 10;
-
-    # Resources
-    inherit (getResources { inherit gitBranch hw; })
-      cpusPerTask ntasksPerNode;
-
-    nodes = c.nodes;
-    qos = "debug";
-    time = "02:00:00";
-    jobName = unitName;
-
-    enableCTF = false;
-
-    # Enable permissions to write in the local storage
-    extraMounts = [ fs.local.temp ];
-    tempDir = fs.local.temp;
-
-  };
-
-  configs = getConfigs {
-    inherit varConf genConf;
-  };
-
-in
- 
-  stdexp.genExperiment { inherit configs pipeline; }
diff --git a/garlic/exp/index.nix b/garlic/exp/index.nix
index 9776f3c..0a5d497 100644
--- a/garlic/exp/index.nix
+++ b/garlic/exp/index.nix
@@ -97,12 +97,12 @@
     test = callPackage ./lulesh/test.nix { };
   };
 
-  fwi = {
+  fwi = rec {
     granularity = callPackage ./fwi/granularity.nix { };
     ss = callPackage ./fwi/ss.nix { };
-    ss-io = callPackage ./fwi/ss-io.nix { };
     reuse = callPackage ./fwi/reuse.nix { };
-    sync-io = callPackage ./fwi/sync-io.nix { };
+    io = callPackage ./fwi/io.nix { };
+    ioBig = io.override { enableExtended = true; };
   };
 
   osu = rec {