bjorng

TO DO

• Source code:

foo(X, Y) ->
    case X =:= $T orelse X =:= $\s of
        true -> {ok, Y};
        _ -> error
 end.

bjorng

Demonstrating the bug.

Erlang/OTP 21 [erts-10.0] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe]

Eshell V10.0  (abort with ^G)
1> c(hipe_bug, [from_asm,native]).
{ok,hipe_bug}
2> hipe_bug:run().
size_object: matchstate term not allowedAborted (core dumped)

bjorng

-module(pt_benchmark).
-compile([export_all,nowarn_export_all]).

b() ->
    %% run(fun pt_imm/1, fun pdict_imm/1),
    %% run(fun pt/1, fun pdict/1),
    %% run(fun pt_striped/1, fun pdict_striped/1),
    %% run(fun pt_record/1, fun pdict_record/1),
    run(fun ets_imm/1, fun pt_imm/1),
    run(fun ets/1, fun pt/1),

bjorng

-module(bench). % -*- erlang -*-;
-mode(compile).

%% Based on the benchmark in https://github.com/erlang/otp/issues/5639.

main([]) ->
    Data100B = crypto:strong_rand_bytes(100),
    Data1MB = crypto:strong_rand_bytes(1024 * 1024),
    io:format("== Testing with 100 B ==~n"),
    test_encode(Data100B, 1_000_000),