Number of times FLASH is deleted by garbage collection

RE: Number of times FLASH is deleted by garbage collection

Simonr — Thu, 16 Apr 2020 07:05:05 GMT

Yes, I still believe each page will be deleted once, as the garbage collection will still work using the same logic no matter how many virtual pages are used.

Best regards,

Simon

RE: Number of times FLASH is deleted by garbage collection

takashina hiroki — Wed, 15 Apr 2020 06:18:18 GMT

Suppose you have changed the FDS settings to:

#define FDS_ENABLED 1
#define FDS_VIRTUAL_PAGES 5
#define FDS_VIRTUAL_PAGE_SIZE 1024
#define FDS_VIRTUAL_PAGES_RESERVED 0

We recognize that it has the following configuration.
① Virtual page for garbage collection
② Usable virtual page A
③ Usable virtual page B
④ Usable virtual page C
⑤ Usable virtual page D

Even then, Each page will only be deleted once?

Is each page deleted only once even if "FDS_VIRTUAL_PAGES" is changed?

RE: Number of times FLASH is deleted by garbage collection

Simonr — Wed, 15 Apr 2020 05:35:05 GMT

I apologize for the delayed reply, but we're working on the backlog after the Easter Holiday here in Norway.

Each page will only be deleted once, as the GC virtual page is not fixed to a physical page in flash, but move from one to another during the garbage collection. This way, the same page won't be used twice using a garbage collection, so no pages will be deleted twice.

Best regards,

Simon