diff --git a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.js
index d5527eba72d5..760da0a4cbfd 100644
--- a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.js
@@ -22,6 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
@@ -98,7 +99,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( N );
-		bench( pkg+':size='+(N*N), f );
+		bench( format( '%s:size=%d', pkg, N*N ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.native.js
index a14f4459348b..b649a745d29e 100644
--- a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.native.js
@@ -23,6 +23,7 @@
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( N );
-		bench( pkg+'::native:size='+(N*N), opts, f );
+		bench( format( '%s::native:size=%d', pkg, N*N ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.js
index 35c732a99544..3e7618a394c5 100644
--- a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.js
@@ -22,6 +22,7 @@
 
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
@@ -98,7 +99,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( N );
-		bench( pkg+':ndarray:size='+(N*N), f );
+		bench( format( '%s:ndarray:size=%d', pkg, N*N ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.native.js
index 27bd0bcc4010..2e3f0b1fe180 100644
--- a/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/base/dgemv/benchmark/benchmark.ndarray.native.js
@@ -23,6 +23,7 @@
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( N );
-		bench( pkg+'::native:ndarray:size='+(N*N), opts, f );
+		bench( format( '%s::native:ndarray:size=%d', pkg, N*N ), opts, f );
 	}
 }