diff --git a/hgraph-time-gc-space_2000Nodes.pdf b/hgraph-time-gc-space_2000Nodes.pdf
new file mode 100644
index 0000000..52da779
Binary files /dev/null and b/hgraph-time-gc-space_2000Nodes.pdf differ
diff --git a/hgraph.cabal b/hgraph.cabal
index ceac243..8cc6b30 100644
--- a/hgraph.cabal
+++ b/hgraph.cabal
@@ -31,7 +31,7 @@ executable hgraph
                    DCB.DCB,
                    DCB.Structures,
                    DCB.IO
-    ghc-options: -eventlog -Odph -rtsopts -threaded -fno-liberate-case -funfolding-use-threshold1000 -funfolding-keeness-factor1000 -optlo-O3
+    ghc-options: -Odph -rtsopts -threaded -fno-liberate-case -funfolding-use-threshold1000 -funfolding-keeness-factor1000 -optlo-O3 -fllvm
     extensions:    
                    BangPatterns, 
                    DoAndIfThenElse
diff --git a/sampledata.adj b/sampledata.adj
index a2066a0..fb6a73c 120000
--- a/sampledata.adj
+++ b/sampledata.adj
@@ -1 +1 @@
-sampledata512.adj
\ No newline at end of file
+N500E1284.adj
\ No newline at end of file
diff --git a/sampledata.adj.atr b/sampledata.adj.atr
index 2536468..992f74b 120000
--- a/sampledata.adj.atr
+++ b/sampledata.adj.atr
@@ -1 +1 @@
-sampledata512.adj.atr
\ No newline at end of file
+N500E1284.adj.atr
\ No newline at end of file