Rust 编译阶段

  --emit=dep-info  → .d           395 字节
  --emit=metadata  → .rmeta     4,650 字节
  --emit=mir       → .mir      10,174 字节
  --emit=llvm-ir   → .ll      380,024 字节
  --emit=asm       → .s       232,246 字节
  --emit=obj       → .o        86,040 字节

  共 43 个计时条目;耗时最长的 12 个(秒):
      0.114 s  total
      0.055 s  link_binary
      0.055 s  link_crate
      0.055 s  link
      0.047 s  run_linker
      0.023 s  LLVM_passes
      0.022 s  finish_ongoing_codegen
      0.016 s  codegen_crate
      0.010 s  monomorphization_collector_graph_walk
      0.007 s  type_check_crate
      0.006 s  get_apple_sdk_root
      0.004 s  coherence_checking
   ['time:   0.114; rss:   24MB ->   74MB (  +50MB)\ttotal']

    0.000  parse_crate
    0.000  crate_injection
    0.003  expand_crate
    0.003  macro_expand_crate
    0.000  maybe_building_test_harness
    0.000  AST_validation
    0.000  finalize_imports
    0.000  compute_effective_visibilities
    0.000  lint_reexports
    0.000  finalize_macro_resolutions
    0.001  late_resolve_crate
    0.000  resolve_postprocess
    0.001  resolve_crate
    0.000  write_dep_info
    0.000  complete_gated_feature_checking
    0.000  looking_for_entry_point
    0.000  check_externally_implementable_items
    0.000  looking_for_derive_registrar
    0.000  unused_lib_feature_checking
    0.000  misc_checking_1
    0.004  coherence_checking
    0.007  type_check_crate
    0.003  MIR_borrow_checking
    0.000  module_lints
    0.000  lint_checking
    0.000  privacy_checking_modules
    0.001  misc_checking_3
    0.000  monomorphization_collector_root_collections
    0.010  monomorphization_collector_graph_walk
    0.001  partition_and_assert_distinct_symbols
    0.000  write_allocator_module
    0.004  codegen_to_LLVM_IR
    0.016  codegen_crate
    0.000  serialize_dep_graph
    0.023  LLVM_passes
    0.000  join_worker_thread
    0.022  finish_ongoing_codegen
    0.006  get_apple_sdk_root
    0.047  run_linker
    0.055  link_binary
    0.055  link_crate
    0.055  link
    0.114  total

  debug(opt-level=0)   total 0.106 s   LLVM_passes 0.020 s   type_check_crate 0.006 s   link_binary 0.049 s
  release(-O)          total 0.191 s   LLVM_passes 0.068 s   type_check_crate 0.005 s   link_binary 0.045 s