anchor.diff:  for /f "tokens=2,3" %%i in ('type sccache_summary.txt ^| findstr "requests hits" ^| findstr /V "executed C/C++ CUDA"') do set %%i=%%j
   if %requests% EQU 0 (
       echo "sccache hit rate: 0%"
  -    echo ipipe_log_param_Clcache_Hit_Hate: 0%
  +    echo ipipe_log_param_sccache_Hit_Hate: 0%
   ) else (
       set /a rate=!hits!*10000/!requests!
       echo "sccache hit rate: !rate:~0,-2!.!rate:~-2!%%"
  -    echo ipipe_log_param_Clcache_Hit_Hate: !rate:~0,2!.!rate:~2,2!%%
  +    echo ipipe_log_param_sccache_Hit_Hate: !rate:~0,-2!.!rate:~-2!%%
   )
   
   goto:eof
  
positive.code: 
  rem -------Caching strategy 2: sccache decorate compiler-----------
  if "%WITH_SCCACHE%"=="ON" (
      rem cmd /C sccache -V || call :install_sccache
      sccache --stop-server 2> NUL
      if not exist D:\sccache mkdir D:\sccache
      set SCCACHE_DIR=D:\sccache\.cache
  
negative.code: echo 0 > %cache_dir%\error_code.txt
  type %cache_dir%\error_code.txt
  
  :: ci will collect sccache hit rate
  if "%WITH_SCCACHE%"=="ON" (
      call :collect_sccache_hits
  )
  