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2010-01-15Merge branch 'egil/binary-gc' into ccase/r13b04_devErlang/OTP
* egil/binary-gc: Add documentation for binary heap size settings. Add tracing capabilities for binary virtual heap Add min heap size start options to beam and erl Improve binary garbage collection OTP-8370 The default settings for garbage collection of binaries has been adjusted to be less aggressive than in R13B03. It is now also possible configure the settings for binary GC. See the documentation for spawn_opt/2-5, erlang:system_info/1, erlang:system_flag/2, process_flag/2-3, erlang:trace/3, and the documenation for erl for the new command line options +hms and +hmbs.
2010-01-13Improve binary garbage collectionBjörn-Egil Dahlberg
The garbage collector in r13b03 is too aggressive in some cases. This commit raises the level of default initial allowed binary garbage (virtual heap for binaries) before collecting from 233 words to 46368 words (181 kB on 32-bit). A new option, min_bin_vheap_size, has been added to spawn_opt, system_flag and process_flag can be used to change the default values. The option can also be used with system_info and process_info to inspect the values. For symmetry the option min_heap_size has been added to the above functions where it was previously missing. Add testcases for min_bin_vheap_size and min_heap_size for functions process_flag/2, process_info/2, system_info/2 and spawn_opt/2.
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP