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erlang
2773-erts-Fix-ets-memory-comparison-test.patch
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File 2773-erts-Fix-ets-memory-comparison-test.patch of Package erlang
From a67c45611b32b14094c6f9cecb87e8ddb6319805 Mon Sep 17 00:00:00 2001 From: Lukas Larsson <lukas@erlang.org> Date: Wed, 8 Dec 2021 09:48:57 +0100 Subject: [PATCH 3/3] erts: Fix ets memory comparison test --- lib/stdlib/test/ets_SUITE.erl | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 2069f5f27c..d2cbf2c9e6 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -3070,16 +3070,24 @@ write_concurrency(Config) when is_list(Config) -> true = YesMem > YesTreeMem, - case erlang:system_info(schedulers) > 1 of - true -> - true = YesMem > NoHashMem, - true = YesMem > NoTreeMem, - true = YesTreeMem > NoTreeMem, - true = YesYesTreeMem > YesTreeMem; - _ -> + case erlang:system_info(schedulers) of + 1 -> YesMem = NoHashMem, YesTreeMem = NoTreeMem, - YesYesTreeMem = YesTreeMem + YesYesTreeMem = YesTreeMem; + NoSchedulers -> + true = YesMem > NoHashMem, + true = YesMem > NoTreeMem, + + %% The memory of ordered_set with write concurrency is + %% smaller than without write concurrency on systems with + %% few schedulers. + if NoSchedulers > 6 -> + true = YesTreeMem >= NoTreeMem; + true -> + true = YesTreeMem < NoTreeMem + end, + true = YesYesTreeMem > YesTreeMem end, {'EXIT',{badarg,_}} = (catch ets_new(foo,[public,{write_concurrency,foo}])), -- 2.31.1
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