diff --git a/README.md b/README.md
index bc76470..62bee27 100644
--- a/README.md
+++ b/README.md
@@ -114,11 +114,11 @@ go tool pprof mem.prof
 ### 2019 MacBook Pro 2.3GHz Intel i9
 
 ```console
-name                      time/op
-Threefish256/encrypt-16   112ns ± 0%
-Threefish256/decrypt-16   140ns ± 0%
-Threefish512/encrypt-16   298ns ± 0%
-Threefish512/decrypt-16   271ns ± 0%
-Threefish1024/encrypt-16  734ns ± 0%
-Threefish1024/decrypt-16  681ns ± 0%
+name                      time/op     speed
+Threefish256/encrypt-16   124ns ± 0%  259MB/s ± 0%
+Threefish256/decrypt-16   156ns ± 0%  206MB/s ± 0%
+Threefish512/encrypt-16   338ns ± 0%  189MB/s ± 0%
+Threefish512/decrypt-16   310ns ± 0%  206MB/s ± 0%
+Threefish1024/encrypt-16  804ns ± 0%  159MB/s ± 0%
+Threefish1024/decrypt-16  778ns ± 0%  165MB/s ± 0%
 ```
diff --git a/threefish1024_test.go b/threefish1024_test.go
index 0a72384..3ed6ffb 100644
--- a/threefish1024_test.go
+++ b/threefish1024_test.go
@@ -173,6 +173,7 @@ func BenchmarkThreefish1024(b *testing.B) {
 
 			for n := 0; n < b.N; n++ {
 				block.Encrypt(ciphertext, message)
+				b.SetBytes(blockSize1024)
 			}
 		},
 	)
@@ -184,6 +185,7 @@ func BenchmarkThreefish1024(b *testing.B) {
 
 			for n := 0; n < b.N; n++ {
 				block.Decrypt(ciphertext, ciphertext)
+				b.SetBytes(blockSize1024)
 			}
 		},
 	)
diff --git a/threefish256_test.go b/threefish256_test.go
index 8106a5c..7a2137b 100644
--- a/threefish256_test.go
+++ b/threefish256_test.go
@@ -172,6 +172,7 @@ func BenchmarkThreefish256(b *testing.B) {
 
 			for n := 0; n < b.N; n++ {
 				block.Encrypt(ciphertext, message)
+				b.SetBytes(blockSize256)
 			}
 		},
 	)
@@ -183,6 +184,7 @@ func BenchmarkThreefish256(b *testing.B) {
 
 			for n := 0; n < b.N; n++ {
 				block.Decrypt(ciphertext, ciphertext)
+				b.SetBytes(blockSize256)
 			}
 		},
 	)
diff --git a/threefish512_test.go b/threefish512_test.go
index 9b411cb..6137105 100644
--- a/threefish512_test.go
+++ b/threefish512_test.go
@@ -173,6 +173,7 @@ func BenchmarkThreefish512(b *testing.B) {
 
 			for n := 0; n < b.N; n++ {
 				block.Encrypt(ciphertext, message)
+				b.SetBytes(blockSize512)
 			}
 		},
 	)
@@ -184,6 +185,7 @@ func BenchmarkThreefish512(b *testing.B) {
 
 			for n := 0; n < b.N; n++ {
 				block.Decrypt(ciphertext, ciphertext)
+				b.SetBytes(blockSize512)
 			}
 		},
 	)