diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.js
index d372d7c70375..aaafc3397501 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var dcusum = require( './../lib/dcusum.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.native.js
index edf9395689ff..2519689874b4 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.native.js
@@ -27,6 +27,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -106,7 +107,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:len='+len, opts, f );
+		bench( format( '%s::native:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.js
index b658e2a9f802..7fc8b5916f62 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var dcusum = require( './../lib/ndarray.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.native.js
index e67fe16bc5ce..b3c2e346b3e8 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusum/benchmark/benchmark.ndarray.native.js
@@ -27,6 +27,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -106,7 +107,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:ndarray:len='+len, opts, f );
+		bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.js
index 36454e7dd25d..b02e5a556586 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var dcusumpw = require( './../lib/dcusumpw.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.native.js
index ae2cd1bff805..9aedcf8ab32e 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.native.js
@@ -27,6 +27,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -106,7 +107,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:len='+len, opts, f );
+		bench( format( '%s::native:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.js
index 15b6b0a97ef7..78d237f136a5 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var dcusumpw = require( './../lib/ndarray.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.native.js
index 05d93461e628..5f636035abcd 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dcusumpw/benchmark/benchmark.ndarray.native.js
@@ -27,6 +27,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -106,7 +107,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:ndarray:len='+len, opts, f );
+		bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f );
 	}
 }