[erlang-questions] OTP-18 os:timestamp 10 times slower on OSX compared to OTP-17

Pavel Martynenko pavelmart@REDACTED
Tue Jul 7 14:48:29 CEST 2015

Linux 2.6.26-2-686 (hardware)

Eshell V6.4  (abort with ^G)
erlang:now/0                1012080
os:timestamp/0               779001

Eshell V7.0  (abort with ^G)
erlang:now/0                1865773
erlang:timestamp/0          1856433
erlang:monotonic_time/0     1840571
erlang:system_time/0        1851965
erlang:time_offset/0          50446
erlang:unique_integer/0       44924
t:-test/0-fun-0-/0          1866288
os:timestamp/0               938257
os:system_time/0             896746

Looks better than on OSX. Still almost 2x times slower to "Determine Order
of Events With Time of the Event" as described in "Time and Time Correction
in Erlang".

Pavlo Martynenko
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