2 commits

Author	SHA1	Message	Date
normal	098b0ba572	benchmark/bm_hash_aref_sym*.rb: force static symbols ... Dynamic symbols hash more slowly because they need extra method dispatch in rb_any_hash. I am not sure if dynamic symbols are a realistic use case as hash keys, so this commit only restores performance when comparing against versions of Ruby which lack dsyms. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47854 b2dd03c8-39d4-4d8f-98ff-823fe69b080e	2014-10-09 03:44:12 +00:00
normal	ef59670a44	st.c: use power-of-two sizes to avoid slow modulo ops ... * st.c (hash_pos): use bitwise AND to avoid slow modulo op (new_size): power-of-two sizes for hash_pos change (st_numhash): adjust for common keys due to lack of prime modulo [Feature #9425] * hash.c (rb_any_hash): right shift for symbols * benchmark/bm_hash_aref_miss.rb: added to show improvement * benchmark/bm_hash_aref_sym_long.rb: ditto * benchmark/bm_hash_aref_str.rb: ditto * benchmark/bm_hash_aref_sym.rb: ditto * benchmark/bm_hash_ident_num.rb: added to prevent regression * benchmark/bm_hash_ident_obj.rb: ditto * benchmark/bm_hash_ident_str.rb: ditto * benchmark/bm_hash_ident_sym.rb: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45384 b2dd03c8-39d4-4d8f-98ff-823fe69b080e	2014-03-22 23:34:21 +00:00