second(3)

📦
version 3.12.1 · 9 versions
, in arch rolling

bestie, welcome to second(3) from the Library Functions Manual — the wall clock timer page. it’s giving old-school LAPACK but make it make sense 💅

🌸 NAME 🌸

second — second: wall clock timer

✨ SYNOPSIS ✨

Functions 🫶

double precision function dsecnd ()
    DSECND Using ETIME
real function second ()
    SECOND Using ETIME

🛋️ Detailed Description 🛋️

No extra deets in this section, bestie — the original just drops the heading and moves straight into the function docs. 🫶

🧚 Function Documentation 🧚

okay so this is the part where it gets repetitive — but every variant is here, no cap. not me writing out every Purpose block, but we do not skip deets 💀

💜 double precision function dsecnd 💜

the intro lines, exactly as they appear:

  • DSECND Using ETIME DSECND returns nothing
  • DSECND Using the INTERNAL function ETIME.
  • DSECND Using INTERNAL function CPU_TIME.
  • DSECND Using ETIME_

🎀 Purpose: EXTERNAL ETIME 🎀

!>
!>  DSECND returns the user time for a process in seconds.
!>  This version gets the time from the EXTERNAL system function ETIME.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: ETIME_ 🎀

!>
!>  DSECND returns the user time for a process in seconds.
!>  This version gets the time from the system function ETIME_.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: INTERNAL CPU_TIME 🎀

!>
!>  DSECND returns the user time for a process in seconds.
!>  This version gets the time from the INTERNAL function CPU_TIME.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: INTERNAL ETIME 🎀

!>
!>  DSECND returns the user time for a process in seconds.
!>  This version gets the time from the INTERNAL function ETIME.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: returns nothing 🎀

!>
!>  DSECND returns nothing instead of returning the user time for a process in seconds.
!>  If you are using that routine, it means that neither EXTERNAL ETIME,
!>  EXTERNAL ETIME_, INTERNAL ETIME, INTERNAL CPU_TIME is available  on
!>  your machine.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

Definition at line 34 of file dsecnd_EXT_ETIME.f.

💜 real function second 💜

the intro lines, exactly as they appear:

  • SECOND Using ETIME SECOND returns nothing
  • SECOND Using the INTERNAL function ETIME.
  • SECOND Using INTERNAL function CPU_TIME.
  • SECOND Using ETIME_

🎀 Purpose: EXTERNAL ETIME 🎀

!>
!>  SECOND returns the user time for a process in seconds.
!>  This version gets the time from the EXTERNAL system function ETIME.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: ETIME_ 🎀

!>
!>  SECOND returns the user time for a process in seconds.
!>  This version gets the time from the system function ETIME_.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: INTERNAL CPU_TIME 🎀

!>
!>  SECOND returns the user time for a process in seconds.
!>  This version gets the time from the INTERNAL function CPU_TIME.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: INTERNAL ETIME 🎀

!>
!>  SECOND returns the user time for a process in seconds.
!>  This version gets the time from the INTERNAL function ETIME.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

🎀 Purpose: returns nothing 🎀

!>
!>  SECOND returns nothing instead of returning the user time for a process in seconds.
!>  If you are using that routine, it means that neither EXTERNAL ETIME,
!>  EXTERNAL ETIME_, INTERNAL ETIME, INTERNAL CPU_TIME is available  on
!>  your machine.
!>

Author

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

Definition at line 34 of file second_EXT_ETIME.f.

👑 Author 👑

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💖 cute sign-off: this page lives under LAPACK, Version 3.12.0 — second(3) out! 🎀✨

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