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d45a013a1a
Prior to this changeset, majority of inline cache mishits resulted into the same method entry when rb_callable_method_entry() resolves a method search. Let's not call the function at the first place on such situations. In doing so we extend the struct rb_call_cache from 44 bytes (in case of 64 bit machine) to 64 bytes, and fill the gap with secondary class serial(s). Call cache's class serials now behavies as a LRU cache. Calculating ------------------------------------- ours 2.7 2.6 vm2_poly_same_method 2.339M 1.744M 1.369M i/s - 6.000M times in 2.565086s 3.441329s 4.381386s Comparison: vm2_poly_same_method ours: 2339103.0 i/s 2.7: 1743512.3 i/s - 1.34x slower 2.6: 1369429.8 i/s - 1.71x slower |
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.. | ||
_attributes.erb | ||
_c_expr.erb | ||
_comptime_insn_stack_increase.erb | ||
_copyright.erb | ||
_insn_entry.erb | ||
_insn_len_info.erb | ||
_insn_name_info.erb | ||
_insn_operand_info.erb | ||
_insn_sp_pc_dependency.erb | ||
_insn_type_chars.erb | ||
_leaf_helpers.erb | ||
_mjit_compile_insn.erb | ||
_mjit_compile_insn_body.erb | ||
_mjit_compile_ivar.erb | ||
_mjit_compile_pc_and_sp.erb | ||
_mjit_compile_send.erb | ||
_notice.erb | ||
_sp_inc_helpers.erb | ||
_trace_instruction.erb | ||
insns.inc.erb | ||
insns_info.inc.erb | ||
mjit_compile.inc.erb | ||
opt_sc.inc.erb | ||
optinsn.inc.erb | ||
optunifs.inc.erb | ||
vm.inc.erb | ||
vmtc.inc.erb |