From bb90083ca62483a1cf0e1b72dfb96e05701035ef Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 17 Feb 2026 13:59:28 +0100
Subject: Adding output for persistent data

---
 default.nix                        | 1 +
 examples/poiseulle_3d_gpu/sim.cpp  | 3 +--
 util/podman/norce_build_and_run.sh | 9 +++++++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/default.nix b/default.nix
index 8cd95ed..9108cf3 100644
--- a/default.nix
+++ b/default.nix
@@ -185,6 +185,7 @@ in rec {
 				kel.lbm.core
 				kel.lbm.sycl
 				examples.poiseulle_particles_2d_gpu
+				examples.poiseulle_3d_gpu
 			];
 		};
 	};
diff --git a/examples/poiseulle_3d_gpu/sim.cpp b/examples/poiseulle_3d_gpu/sim.cpp
index e145b11..27e5297 100644
--- a/examples/poiseulle_3d_gpu/sim.cpp
+++ b/examples/poiseulle_3d_gpu/sim.cpp
@@ -255,7 +255,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 	}
 	auto& lbm_dir = eo_lbm_dir.get_value();
 
-	auto out_dir = lbm_dir / "poiseulle_particles_2d_gpu";
+	auto out_dir = lbm_dir / "poiseulle_particles_3d_gpu";
 
 	{
 		std::error_code ec;
@@ -272,7 +272,6 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 		{{1.0}}
 	};
 
-	// saw::data<sch::FixedArray<sch::UInt64,Desc::D>> meta{{dim_x,dim_y}};
 	auto lbm_data_ptr = saw::heap<saw::data<sch::ChunkStruct<T,Desc>>>();
 	auto lbm_macro_data_ptr = saw::heap<saw::data<sch::MacroStruct<T,Desc>>>();
 	auto lbm_particle_data_ptr = saw::heap<saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_size>>>();
diff --git a/util/podman/norce_build_and_run.sh b/util/podman/norce_build_and_run.sh
index 35c6df5..048d2c7 100755
--- a/util/podman/norce_build_and_run.sh
+++ b/util/podman/norce_build_and_run.sh
@@ -41,9 +41,18 @@ elif [[ -f /etc/pki/tls/certs/ca-bundle.crt ]]; then
     HOST_CA_BUNDLE="/etc/pki/tls/certs/ca-bundle.crt"
 fi
 
+TIMESTAMP=$(date +%s)       # e.g. 1763452799
+HOST_LBM_BASE="$HOME/.lbm"
+HOST_LBM_RUN_DIR="$HOST_LBM_BASE/$TIMESTAMP"
+
+mkdir -p "$HOST_LBM_RUN_DIR"
+
+echo "📁 Using host LBM directory: $HOST_LBM_RUN_DIR"
+
 # --- Run build + packaging inside container ---
 podman run --rm -it \
     -v "$GIT_ROOT":/workspace \
+		-v "$HOST_LBM_RUN_DIR":/root/.lbm \
     -v "$NIX_STORE_VOL":/nix/store \
     -v "$NIX_STATE_VOL":/nix/var \
     -v /etc/ssl/certs:/etc/ssl/certs:ro \
-- 
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