diff --git a/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.js
index 26764f6febd6..917ea2fe5ea2 100644
--- a/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.js
@@ -27,6 +27,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var Complex64Array = require( '@stdlib/array/complex64' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
 var reinterpret = require( '@stdlib/strided/base/reinterpret-complex64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var caxpy = require( './../lib/caxpy.js' );
 
@@ -108,7 +109,7 @@ 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/base/caxpy/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.native.js
index 382409abf439..1969a602cf89 100644
--- a/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.native.js
@@ -29,6 +29,7 @@ var Complex64Array = require( '@stdlib/array/complex64' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
 var reinterpret = require( '@stdlib/strided/base/reinterpret-complex64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -113,7 +114,7 @@ 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/base/caxpy/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.ndarray.js
index 85f5d25d4bf6..8e57c331e5b5 100644
--- a/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.ndarray.js
@@ -27,6 +27,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var Complex64Array = require( '@stdlib/array/complex64' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
 var reinterpret = require( '@stdlib/strided/base/reinterpret-complex64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var caxpy = require( './../lib/ndarray.js' );
 
@@ -108,7 +109,7 @@ 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/base/caxpy/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.ndarray.native.js
index df92020cfa39..e1f65fafd45c 100644
--- a/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/base/caxpy/benchmark/benchmark.ndarray.native.js
@@ -29,6 +29,7 @@ var Complex64Array = require( '@stdlib/array/complex64' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
 var reinterpret = require( '@stdlib/strided/base/reinterpret-complex64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -113,7 +114,7 @@ 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 );
 	}
 }