diff --git a/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_gpu_icarus.fcl b/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_gpu_icarus.fcl
new file mode 100644
index 000000000..fb9a3977d
--- /dev/null
+++ b/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_gpu_icarus.fcl
@@ -0,0 +1,13 @@
+#include "stage0_run2_wc_icarus.fcl"
+
+#include "enable_dnn_sp.fcl"
+
+physics.producers.decon2droiEE.wcls_main.params.wc_device: "gpu"
+physics.producers.decon2droiEW.wcls_main.params.wc_device: "gpu"
+physics.producers.decon2droiWE.wcls_main.params.wc_device: "gpu"
+physics.producers.decon2droiWW.wcls_main.params.wc_device: "gpu"
+
+physics.producers.decon2droiEE.wcls_main.plugins: [@sequence::icarus_stage0_producers.decon2droiEE.wcls_main.plugins, "WireCellCuda"]
+physics.producers.decon2droiEW.wcls_main.plugins: [@sequence::icarus_stage0_producers.decon2droiEW.wcls_main.plugins, "WireCellCuda"]
+physics.producers.decon2droiWE.wcls_main.plugins: [@sequence::icarus_stage0_producers.decon2droiWE.wcls_main.plugins, "WireCellCuda"]
+physics.producers.decon2droiWW.wcls_main.plugins: [@sequence::icarus_stage0_producers.decon2droiWW.wcls_main.plugins, "WireCellCuda"]
diff --git a/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_icarus_overlay.fcl b/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_icarus_overlay.fcl
index 53af7c45a..b8ecf7662 100644
--- a/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_icarus_overlay.fcl
+++ b/fcl/reco/Stage0/overlay/stage0_run2_wcdnn_icarus_overlay.fcl
@@ -1,3 +1,9 @@
 #include "stage0_run2_wcdnn_icarus_mc.fcl"
-#
+
 #include "enable_overlay_sp.fcl"
+
+# for gpus, use stage0_run2_wcdnn_gpu_icarus.fcl instead
+physics.producers.decon2droiEE.wcls_main.params.wc_device: "cpu"
+physics.producers.decon2droiEW.wcls_main.params.wc_device: "cpu"
+physics.producers.decon2droiWE.wcls_main.params.wc_device: "cpu"
+physics.producers.decon2droiWW.wcls_main.params.wc_device: "cpu"
diff --git a/icaruscode/TPC/ICARUSWireCell/icarus/wcls-decode-to-sig-twofaced-dnnroi.jsonnet b/icaruscode/TPC/ICARUSWireCell/icarus/wcls-decode-to-sig-twofaced-dnnroi.jsonnet
index 32fe2c59f..b00c02601 100644
--- a/icaruscode/TPC/ICARUSWireCell/icarus/wcls-decode-to-sig-twofaced-dnnroi.jsonnet
+++ b/icaruscode/TPC/ICARUSWireCell/icarus/wcls-decode-to-sig-twofaced-dnnroi.jsonnet
@@ -19,6 +19,7 @@
 //         -V signal_output_form=sparse \\
 //         -J cfg cfg/pgrapher/experiment/uboone/wcls-nf-sp.jsonnet
 
+local wc_device = std.extVar('wc_device');
 
 local epoch = std.extVar('epoch');  // eg "dynamic", "after", "before", "perfect"
 local reality = std.extVar('reality');
@@ -87,7 +88,10 @@ local params = base {
 
 // local tools_maker = import 'pgrapher/common/tools.jsonnet';
 local tools_maker = import 'pgrapher/experiment/icarus/icarus_tools.jsonnet';
-local tools = tools_maker(params);
+// local tools = tools_maker(params);
+local default_tools = tools_maker(params);
+local tools = if wc_device == 'gpu' then std.mergePatch(default_tools,
+    {dft: {type: "TorchDFT", data: {device: wc_device}}}) else default_tools;
 
 
 local wcls_maker = import 'pgrapher/ui/wcls/nodes.jsonnet';
@@ -271,7 +275,7 @@ local ts_u = {
     name: "dnnroi_u",
     data: {
         model: "NNs/plane0.ts",
-        device: "cpu",
+        device: wc_device,
         concurrency: 1,
     },
 };
@@ -281,7 +285,7 @@ local ts_v = {
     name: "dnnroi_v",
     data: {
         model: "NNs/plane1.ts",
-        device: "cpu",
+        device: wc_device,
         concurrency: 1,
     },
 };