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| author | Lukas Larsson <[email protected]> | 2013-09-02 17:27:58 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2014-02-24 10:26:07 +0100 |
| commit | a3af5f4a5c4568225ef91ee4493da6bf659f7161 (patch) | |
| tree | ab9b66d21a8398cae65428609acffb1cdd5d4dbe /erts/emulator | |
| parent | 502b13aaf568e351bc30e44d0e14c063cbf5fc5a (diff) | |
| download | otp-a3af5f4a5c4568225ef91ee4493da6bf659f7161.tar.gz otp-a3af5f4a5c4568225ef91ee4493da6bf659f7161.tar.bz2 otp-a3af5f4a5c4568225ef91ee4493da6bf659f7161.zip | |
erts: Set default external enc to use new float scheme
This change was triggered by the OSE float printing function
not working exactly the same way as linux/win32. But it is
also a good one in general as it cuts size in more than half
for floats.
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/dist.h | 1 | ||||
| -rw-r--r-- | erts/emulator/beam/external.c | 8 | ||||
| -rw-r--r-- | erts/emulator/test/binary_SUITE.erl | 10 |
3 files changed, 10 insertions, 9 deletions
diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index ff8f5e106f..0519a9225e 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -44,6 +44,7 @@ /* All flags that should be enabled when term_to_binary/1 is used. */ #define TERM_TO_BINARY_DFLAGS (DFLAG_EXTENDED_REFERENCES \ | DFLAG_NEW_FUN_TAGS \ + | DFLAG_NEW_FLOATS \ | DFLAG_EXTENDED_PIDS_PORTS \ | DFLAG_EXPORT_PTR_TAG \ | DFLAG_BIT_BINARIES) diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 9fb2dbd8bf..b8e6b3b072 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -529,7 +529,7 @@ Uint erts_encode_ext_size(Eterm term) Uint erts_encode_ext_size_2(Eterm term, unsigned dflags) { - return encode_size_struct2(NULL, term, TERM_TO_BINARY_DFLAGS|dflags) + return encode_size_struct2(NULL, term, dflags) + 1 /* VERSION_MAGIC */; } @@ -1099,10 +1099,10 @@ BIF_RETTYPE term_to_binary_2(BIF_ALIST_2) if (tp[1] == am_minor_version && is_small(tp[2])) { switch (signed_val(tp[2])) { case 0: - flags = TERM_TO_BINARY_DFLAGS; + flags = TERM_TO_BINARY_DFLAGS & ~DFLAG_NEW_FLOATS; break; case 1: - flags = TERM_TO_BINARY_DFLAGS|DFLAG_NEW_FLOATS; + flags = TERM_TO_BINARY_DFLAGS; break; default: goto error; @@ -1605,9 +1605,9 @@ external_size_2(BIF_ALIST_2) if (tp[1] == am_minor_version && is_small(tp[2])) { switch (signed_val(tp[2])) { case 0: + flags &= ~DFLAG_NEW_FLOATS; break; case 1: - flags |= DFLAG_NEW_FLOATS; break; default: goto error; diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index a390c536bb..938aac6a0e 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -474,16 +474,16 @@ terms_compression_levels(_, _, _) -> ok. terms_float(Config) when is_list(Config) -> ?line test_floats(fun(Term) -> - Bin0 = term_to_binary(Term), Bin0 = term_to_binary(Term, [{minor_version,0}]), Term = binary_to_term_stress(Bin0), + Bin1 = term_to_binary(Term), Bin1 = term_to_binary(Term, [{minor_version,1}]), Term = binary_to_term_stress(Bin1), true = size(Bin1) < size(Bin0), - Size0 = erlang:external_size(Term), - Size00 = erlang:external_size(Term, [{minor_version, 0}]), - Size1 = erlang:external_size(Term, [{minor_version, 1}]), - true = (Size0 =:= Size00), + Size0 = erlang:external_size(Term, [{minor_version, 0}]), + Size1 = erlang:external_size(Term), + Size11 = erlang:external_size(Term, [{minor_version, 1}]), + true = (Size1 =:= Size11), true = Size1 < Size0 end). |