diff --git a/README.md b/README.md
index 9be0212..ba29b9b 100644
--- a/README.md
+++ b/README.md
@@ -83,8 +83,9 @@
 Effort has been spent on implementing different backends in the
 pursuit of finding the right performance trade-off. The estimate will
 always be the same, regardless of backend. A simple performance
-comparison can be seen by running `make perf_report`. Fill rate refers
-to how many registers has a value other than 0.
+comparison can be seen by running `make perf_report`, see below for
+the results from an i7-3770 at 3.4 GHz. Fill rate refers to how many
+registers has a value other than 0.
 
  * `hyper_binary`: Fixed memory usage (6 bits * 2^P), fastest on insert,
    union, cardinality and serialization. Best default choice.
@@ -111,4 +112,59 @@
 
 
 
+```
+$ make perf_report
+...
+
+module       P        card   fill      bytes  insert us   union ms    card ms    json ms
+hyper_gb     15          1   0.00         64     301.90       0.00       0.10       2.69
+hyper_gb     15        100   0.00       3984       1.34       0.05       0.05       6.13
+hyper_gb     15        500   0.02      19784       1.53       0.27       0.12       8.67
+hyper_gb     15       1000   0.03      39384       1.72       0.53       0.19       8.67
+hyper_gb     15       2500   0.07      96384       1.84       1.49       0.40      10.67
+hyper_gb     15       5000   0.14     185224       1.99       3.24       0.71      12.22
+hyper_gb     15      10000   0.26     344464       2.10       6.80       1.31      15.09
+hyper_gb     15      15000   0.37     481664       2.02      10.07       1.91      17.99
+hyper_gb     15      25000   0.53     698344       2.08      16.42       2.67      18.71
+hyper_gb     15      50000   0.78    1027504       1.96      31.49       4.29      18.87
+hyper_gb     15     100000   0.95    1248144       1.78      49.90       5.20      17.92
+hyper_gb     15    1000000   1.00    1310744       1.10     108.38       5.72      18.96
+hyper_array  15          1   0.00        520       4.10       0.00       4.74       3.83
+hyper_array  15        100   0.00      19536       1.56       0.10       4.71       3.99
+hyper_array  15        500   0.02      69328       1.44       0.43       4.63       4.46
+hyper_array  15       1000   0.03     107760       1.51       0.79       4.68       4.29
+hyper_array  15       2500   0.07     188384       1.35       1.79       4.70       5.16
+hyper_array  15       5000   0.14     261520       1.31       3.27       4.72       5.33
+hyper_array  15      10000   0.26     308072       1.21       5.45       4.99       6.90
+hyper_array  15      15000   0.37     320128       1.22       7.34       4.96       7.72
+hyper_array  15      25000   0.53     323384       1.21      11.07       5.18       8.42
+hyper_array  15      50000   0.78     323560       1.04      17.90       5.51       8.08
+hyper_array  15     100000   0.95     323560       1.00      26.93       5.60       7.70
+hyper_array  15    1000000   1.00     323560       0.72      51.65       5.77       7.77
+hyper_bisect 15          1   0.00          3       6.10       0.00       0.05       7.26
+hyper_bisect 15        100   0.00        297       1.62       0.08       0.12      17.42
+hyper_bisect 15        500   0.02       1482       1.72       0.42       0.59      21.30
+hyper_bisect 15       1000   0.03       2952       1.83       0.95       1.10      23.21
+hyper_bisect 15       2500   0.07       7227       1.97       2.63       2.53      25.91
+hyper_bisect 15       5000   0.14      13890       2.23       6.50       5.06      28.80
+hyper_bisect 15      10000   0.26      25833       2.74      18.21       9.18      31.61
+hyper_bisect 15      15000   0.37      32768       3.67      33.29       4.40       4.46
+hyper_bisect 15      25000   0.53      32768       3.11      78.77       4.60       5.17
+hyper_bisect 15      50000   0.78      32768       2.53     190.66       4.90       4.89
+hyper_bisect 15     100000   0.95      32768       2.05     381.11       5.07       4.43
+hyper_bisect 15    1000000   1.00      32768       0.85      27.17       5.65       4.59
+hyper_binary 15          1   0.00         88       3.40       0.00       6.06       2.23
+hyper_binary 15        100   0.00       4048       0.63       0.01       5.91       2.38
+hyper_binary 15        500   0.02      20048       0.50       0.01       5.67       2.58
+hyper_binary 15       1000   0.02      24576       2.13       0.00       2.72       1.33
+hyper_binary 15       2500   0.07      24576       1.54       1.97       2.72       1.95
+hyper_binary 15       5000   0.12      24576       1.23       2.40       2.71       2.77
+hyper_binary 15      10000   0.26      24576       1.10      11.16       2.95       4.46
+hyper_binary 15      15000   0.34      24576       1.11      12.30       2.75       5.48
+hyper_binary 15      25000   0.50      24576       0.95      11.97       2.79       5.83
+hyper_binary 15      50000   0.76      24576       0.92      13.55       2.81       5.65
+hyper_binary 15     100000   0.95      24576       0.79      11.74       2.59       5.16
+hyper_binary 15    1000000   1.00      24576       0.55      13.88       2.64       5.11
+```
+
 [paper by Google]: http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/en//pubs/archive/40671.pdf