diff --git a/tests/lake_bench/inundation/lakefile.lean b/tests/lake_bench/inundation/lakefile.lean
index 0168b739ed81..1f40e428a6c7 100644
--- a/tests/lake_bench/inundation/lakefile.lean
+++ b/tests/lake_bench/inundation/lakefile.lean
@@ -5,7 +5,8 @@ def test := get_config? test |>.getD "Test" |>.capitalize
 def testName := Lean.Name.mkSimple test
 def layers := get_config? layers >>= (·.toNat?) |>.getD 20
 def width := get_config? width >>= (·.toNat?) |>.getD 20
-def precompile := get_config? precompile >>= envToBool? |>.getD false
+def precompileModules := get_config? precompileModules >>= envToBool? |>.getD false
+def precompileLibrary := get_config? precompileLibrary >>= envToBool? |>.getD false
 
 package inundation where
   buildDir := defaultBuildDir / test
@@ -14,7 +15,8 @@ package inundation where
 lean_lib Inundation where
   srcDir := "test"
   roots := #[testName]
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 /- Vary the number of libraries (e.g., for precompilation) -/
 section
@@ -31,37 +33,43 @@ def testRoots (lo hi : Nat) :=
 lean_lib InundationD where
   srcDir := "test"
   roots := testRoots 0 4
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 meta if layers > 4 then
 lean_lib InundationH where
   srcDir := "test"
   roots := testRoots 4 8
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 meta if layers > 8 then
 lean_lib InundationL where
   srcDir := "test"
   roots := testRoots 8 12
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 meta if layers > 12 then
 lean_lib InundationP where
   srcDir := "test"
   roots := testRoots 12 16
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 meta if layers > 16 then
 lean_lib InundationT where
   srcDir := "test"
   roots := testRoots 16 20
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 meta if layers > 20 then
 lean_lib InundationY where
   srcDir := "test"
   roots := testRoots 20 24
-  precompileModules := precompile
+  precompileModules := precompileModules
+  precompileLibrary := precompileLibrary
 
 end
 
diff --git a/tests/lake_bench/inundation/run_bench.sh b/tests/lake_bench/inundation/run_bench.sh
index 02afe2def836..4fad0d16a612 100644
--- a/tests/lake_bench/inundation/run_bench.sh
+++ b/tests/lake_bench/inundation/run_bench.sh
@@ -5,27 +5,23 @@ echo "Running $PREFIX"
 rm -rf .lake lake-manifest.json test
 lake -R run mkBuild
 
-echo "Running $PREFIX/build/no-op"
-lake -R clean
-lake build
-"$TEST_DIR/measure.py" -t "$PREFIX/build/no-op" -d -a -- \
-  lake build
-
-echo "Running $PREFIX/build/clean"
-lake -R clean
-"$TEST_DIR/measure.py" -t "$PREFIX/build/clean" -d -a -- \
-  lake build
-
-echo "Running $PREFIX/build/precompile/no-op"
-lake -R -K precompile=true clean
-lake build
-"$TEST_DIR/measure.py" -t "$PREFIX/build/precompile/no-op" -d -a -- \
-  lake build
-
-echo "Running $PREFIX/build/precompile/clean"
-lake -R -K precompile=true clean
-"$TEST_DIR/measure.py" -t "$PREFIX/build/precompile/clean" -d -a -- \
+bench_build() {
+  local name=$1; shift
+  echo "Running $PREFIX/$name/no-op"
+  lake -R "$@" clean
   lake build
+  "$TEST_DIR/measure.py" -t "$PREFIX/$name/no-op" -d -a -- \
+    lake build
+
+  echo "Running $PREFIX/$name/clean"
+  lake -R "$@" clean
+  "$TEST_DIR/measure.py" -t "$PREFIX/$name/clean" -d -a -- \
+    lake build
+}
+
+bench_build build
+bench_build precompileModules -K precompileModules=true
+bench_build precompileLibrary -K precompileLibrary=true
 
 echo "Running $PREFIX/config/elab"
 lake -R run nop