<p></p>
<p>On <code>samr21-xpro</code> I get</p>
<pre><code>2020-05-19 11:42:47,830 # ### Running some benchmarks, all values in [us] ###
2020-05-19 11:42:47,833 # ### Test                              Transfer time   user time
2020-05-19 11:42:47,833 # 
2020-05-19 11:42:47,861 #  1 - write 1000 times 1 byte:                 24113   24132
2020-05-19 11:42:47,910 #  2 - write 1000 times 2 byte:                 44904   44923
2020-05-19 11:42:50,050 #  3 - write 1000 times 100 byte:               2129446 2129465
2020-05-19 11:42:50,103 #  4 - write 1000 times 1 byte to register:     47779   47798
2020-05-19 11:42:50,177 #  5 - write 1000 times 2 byte to register:     68696   68715
2020-05-19 11:42:52,341 #  6 - write 1000 times 100 byte to register:   2153217 2153236
2020-05-19 11:42:52,390 #  7 - read 1000 times 2 byte:                  45050   45069
2020-05-19 11:42:54,530 #  8 - read 1000 times 100 byte:                2129592 2129611
2020-05-19 11:42:54,604 #  9 - read 1000 times 2 byte from register:    68842   68861
2020-05-19 11:42:56,768 # 10 - read 1000 times 100 byte from register:  2153363 2153382
2020-05-19 11:42:56,818 # 11 - transfer 1000 times 2 byte:              45030   45049
2020-05-19 11:42:58,960 # 12 - transfer 1000 times 100 byte:            2131571 2131590
2020-05-19 11:42:59,034 # 13 - transfer 1000 times 2 byte to register:  68780   68799
2020-05-19 11:43:01,200 # 14 - transfer 1000 times 100 byte to register:2155321 2155340
2020-05-19 11:43:02,206 # -- - SUM:                                     13265704        13265970
2020-05-19 11:43:02,206 # 
2020-05-19 11:43:02,208 # ### All runs complete ###
</code></pre>

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