`time'
------

time()
     :: å󳫻Ϥ鸽ߤޤǤ CPU ֤ GC ֤ɽ

RETURN
     ꥹ

   * CPU ֤ GC ֤ɽ˴ؤ륳ޥɤǤ.
   * GC ֤Ȥ, ٥쥯ˤ񤵤줿ȸʤ,
     CPU ֤, Τ CPU ֤ GC ֤Ĥ, ñ̤ä
     .
   * `time()' ϰʤ, å󳫻Ϥ鸽ߤޤǤ CPU , GC 
     , ӸߤޤǤ׵ᤵ줿ΤΤ̤ɽ򤹤. 
     ʤ, `[CPU  (), GC  (),  ()]'ʤ
     Ȥ֤. 1 ɤ̾ 4 ХȤǤ.
   * ׻μ¹Գϻ, λ `time()' , η׻ФCPU 
     , GC ֤狼.
   * ̤¿ĹǤϤʤ, ̵̣ͤۤͤȤʤ
     ᤢޤǤܰ¤ȤѤ٤Ǥ.
   * `ctrl()'  `cputime()' ˤ `cputime' åon ˤʤäƤ
     ˤ, ȥåץ٥ʸĤñ̤Ȥ, μ¹Ի֤ɽ
     . , ץʤɤ, η׻Ф׻
     ֤Τꤿˤ, `time()' ʤɤȤɬפ.
   * `getrusage()' Ȥ UNIX Ǥ `time()' ϿΤͤ
     , DOS, Mac ǤϻѤۤˡʤв֤Τ
     Τɽ. ä, ǥХå⡼ɤä, ߥץ
     ץȤǤԤ֤, в֤˲û. ä, PC98 
     ξ, ñ̤֤뤿, û֤ǽ׻ФƤ,
     `time()' ֤ͤϤۤȤ̵̣Ǥ. ޤ, `getrusage()' 
     ʤUNIX (HP-UX ʤ) ˤƤ `clock()' ˤ CPU ֤
     Ƥ뤬, ȡ夢ٰʾλ (HP-UX ξ 2147 
     ) в᤹ȤϤ̵̣ͤȤʤ.

     [72] T0=time();
     [0.24,0.03,22861]
     [73] G=hgrm(katsura(4),[u4,u3,u2,u1,u0])$
     [74] T1=time();
     [2.48,1.37,1934543]
     [75] ["CPU",T1[0]-T0[0],"GC",T1[1]-T0[1]]; 
     [CPU,2.24,GC,1.34]


     `cputime', `tstart', `tstop'

