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| author | Sverker Eriksson <[email protected]> | 2019-04-02 15:38:30 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2019-04-02 15:38:30 +0200 |
| commit | d2a0de644240d5b8f7b276de7efd5a9f5aaf9a37 (patch) | |
| tree | a95011fdc7420487f67639309e432628f5d86bb3 /lib/stdlib/test/ets_SUITE.erl | |
| parent | cfbe0f159d76dca3085fe2422f73f3e1fefefcfc (diff) | |
| download | otp-d2a0de644240d5b8f7b276de7efd5a9f5aaf9a37.tar.gz otp-d2a0de644240d5b8f7b276de7efd5a9f5aaf9a37.tar.bz2 otp-d2a0de644240d5b8f7b276de7efd5a9f5aaf9a37.zip | |
stdlib: Remove ets_SUITE:time_lookup
Fails sometimes on windows due to bad timer precision
leading to division by zero.
This is more a (bad) benchmark than a regression test.
Diffstat (limited to 'lib/stdlib/test/ets_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 87ca9bd32c..b4f5f646bd 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -24,7 +24,7 @@ -export([default/1,setbag/1,badnew/1,verybadnew/1,named/1,keypos2/1, privacy/1]). -export([empty/1,badinsert/1]). --export([time_lookup/1,badlookup/1,lookup_order/1]). +-export([badlookup/1,lookup_order/1]). -export([delete_elem/1,delete_tab/1,delete_large_tab/1, delete_large_named_table/1, evil_delete/1,baddelete/1,match_delete/1,table_leak/1]). @@ -163,7 +163,7 @@ groups() -> [default, setbag, badnew, verybadnew, named, keypos2, privacy]}, {insert, [], [empty, badinsert]}, - {lookup, [], [time_lookup, badlookup, lookup_order]}, + {lookup, [], [badlookup, lookup_order]}, {lookup_element, [], [lookup_element_mult]}, {delete, [], [delete_elem, delete_tab, delete_large_tab, @@ -3384,31 +3384,6 @@ badinsert_do(Opts) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% Test lookup timing. -time_lookup(Config) when is_list(Config) -> - %% just for timing, really - EtsMem = etsmem(), - Values = repeat_for_opts_all_table_types(fun time_lookup_do/1), - verify_etsmem(EtsMem), - {comment,lists:flatten(io_lib:format( - "~p ets lookups/s",[Values]))}. - -time_lookup_do(Opts) -> - Tab = ets_new(foo,Opts), - fill_tab(Tab,foo), - ets:insert(Tab,{{a,key},foo}), - N = 100000, - {Time,_} = timer:tc(fun() -> time_lookup_many(N, Tab) end), - Seconds = Time / 1000000, - true = ets:delete(Tab), - round(N / Seconds). % lookups/s - -time_lookup_many(0, _Tab) -> - ok; -time_lookup_many(N, Tab) -> - ets:lookup(Tab, {a,key}), - time_lookup_many(N-1, Tab). - %% Check proper return values from bad lookups in existing/non existing %% ets tables. badlookup(Config) when is_list(Config) -> |