# PetscLogFlops
Adds floating point operations to the global counter. 
## Synopsis
```
#include <petsclog.h>
PetscErrorCode PetscLogFlops(PetscLogDouble f)
```
Not Collective


## Input Parameter

- ***f -*** flop counter



## Usage
```none
     PetscLogEvent USER_EVENT;
     PetscLogEventRegister("User event",0,&USER_EVENT);
     PetscLogEventBegin(USER_EVENT,0,0,0,0);
        [code segment to monitor]
        PetscLogFlops(user_flops)
     PetscLogEventEnd(USER_EVENT,0,0,0,0);
```





## Note
A global counter logs all PETSc flop counts.  The user can use
PetscLogFlops() to increment this counter to include flops for the
application code.


## See Also
 [](ch_profiling), `PetscLogGPUFlops()`, `PetscLogEventRegister()`, `PetscLogEventBegin()`, `PetscLogEventEnd()`, `PetscGetFlops()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/logging/plog.c.html#PetscLogFlops">src/sys/logging/plog.c</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/logging/plog.c)


[Index of all Profiling routines](index.md)  
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