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# Where does "Error: tdms_place.tcl, 35 cannot create std::vector larger than max_size()"

Tool: Global Placement

Subcategory: Memory allocation error

## Conversation

### oharboe
I want to debug it, but I searched the code and couldn't find this error message in the source.

```

[INFO GPL-0003] SiteSize: 54 270

[INFO GPL-0004] CoreAreaLxLy: 2160 2160

[INFO GPL-0005] CoreAreaUxUy: 25922160 25922160

Error: tdms_place.tcl, 35 cannot create std::vector larger than max_size()

Command exited with non-zero status 1

```


### maliberty
My guess is this is an STL exception and not in the OR code.  In gdb try 'catch throw' to see when it is being thrown.

### oharboe
This is odd... 48000*96000 = 4608000000. Ah. overflow.



![image](https://github.com/The-OpenROAD-Project/OpenROAD/assets/2798822/ca384a53-04da-42fd-9039-014b3bdd89f9)



![image](https://github.com/The-OpenROAD-Project/OpenROAD/assets/2798822/a0156546-48aa-4c6c-84a1-ee9b89647226)





```

D$ git diff

diff --git a/src/gpl/src/placerBase.cpp b/src/gpl/src/placerBase.cpp

index 30ff82771..4f2c10b4e 100644

--- a/src/gpl/src/placerBase.cpp

+++ b/src/gpl/src/placerBase.cpp

@@ -1002,8 +1002,8 @@ void PlacerBase::initInstsForUnusableSites()

 {

   dbSet<dbRow> rows = db_->getChip()->getBlock()->getRows();

 

-  int siteCountX = (die_.coreUx() - die_.coreLx()) / siteSizeX_;

-  int siteCountY = (die_.coreUy() - die_.coreLy()) / siteSizeY_;

+  long siteCountX = (die_.coreUx() - die_.coreLx()) / siteSizeX_;

+  long siteCountY = (die_.coreUy() - die_.coreLy()) / siteSizeY_;

 

   enum PlaceInfo

   {

```



gives me:



```

[INFO GPL-0002] DBU: 1000

[INFO GPL-0003] SiteSize: 54 270

[INFO GPL-0004] CoreAreaLxLy: 2160 2160

[INFO GPL-0005] CoreAreaUxUy: 25922160 25922160

Error: out of memory.

```