DSECND_INT_CPU_TIME.F(3)
π INSTALL/dsecnd_INT_CPU_TIME.f β the manual page, but make it make sense π
okay so bestie, this is a page from the Library Functions Manual, and it's all about one little function called dsecnd β and honestly it's giving "one girl, five outfit changes" because there are so many versions of it. Let's get into it. β¨
πΈ SYNOPSIS πΈ
Functions/Subroutines
double precision function dsecnd ()β the DSECND that usesETIME
π¦ Function/Subroutine Documentation π¦
β¨ double precision function dsecnd β¨
ok so real talk β "DSECND Using ETIME DSECND returns nothing" π that's the header vibe.
Here's the rundown of the flavors this thing comes in:
- DSECND using the INTERNAL function
ETIME. - DSECND using INTERNAL function
CPU_TIME. - DSECND using
ETIME_
π Purpose
!>
!> DSECND returns the user time for a process in seconds.
!> This version gets the time from the EXTERNAL system function ETIME.
!>
π Author
- Univ. of Tennessee
- Univ. of California Berkeley
- Univ. of Colorado Denver
- NAG Ltd.
π Purpose
!>
!> DSECND returns the user time for a process in seconds.
!> This version gets the time from the system function ETIME_.
!>
π Author
- Univ. of Tennessee
- Univ. of California Berkeley
- Univ. of Colorado Denver
- NAG Ltd.
π Purpose
!>
!> DSECND returns the user time for a process in seconds.
!> This version gets the time from the INTERNAL function CPU_TIME.
!>
π Author
- Univ. of Tennessee
- Univ. of California Berkeley
- Univ. of Colorado Denver
- NAG Ltd.
π Purpose
!>
!> DSECND returns the user time for a process in seconds.
!> This version gets the time from the INTERNAL function ETIME.
!>
π Author
- Univ. of Tennessee
- Univ. of California Berkeley
- Univ. of Colorado Denver
- NAG Ltd.
π Purpose
!>
!> 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.
!>
π«Ά heads up bestie: this last one is the "backup plan" version β it literally returns nothing instead of the user time. If you're hitting this one it means neitherEXTERNAL ETIME,EXTERNAL ETIME_,INTERNAL ETIME, norINTERNAL CPU_TIMEis available on your machine. it's giving "we tried everything" π
π Author
- Univ. of Tennessee
- Univ. of California Berkeley
- Univ. of Colorado Denver
- NAG Ltd.
π Definition at line 34 of file dsecnd_EXT_ETIME.f.
π Author π
Generated automatically by Doxygen for LAPACK from the source code. (not me, I would never π)
β cute little sign-off: this page is from the LAPACK fam, Version 3.12.0, and it lives under the file INSTALL/ds..._CPU_TIME.f(3). slay, go measure some time bestie π
π¦ where this page comes from
- arch rolling: lapack-doc 3.12.1-2 Β· custom
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms