Free IRAM

DarkSide
Posts: 29
Joined: Mon Apr 06, 2015 6:51 pm

Free IRAM

Postby DarkSide » Mon Sep 19, 2016 5:38 pm

I have a project build with SDK 1.5.4.1 - free IRAM ~4800kb.
After migrating to SDK 2.0.0 I have only ~300 bytes of IRAM.
Question: where is my IRAM? Who eats it? Please return it back to me!

I guess, if this will continue, I will not be able to update to next SDK version ( sarcasm ).

YimingLi
Posts: 59
Joined: Sun May 03, 2015 5:36 pm

Re: Free IRAM

Postby YimingLi » Mon Sep 19, 2016 11:59 pm

It seems that I encountered a similar problem with you.
Looking forward the expertise guild from Espressif.

eriksl
Posts: 157
Joined: Fri May 22, 2015 6:22 pm

Re: Free IRAM

Postby eriksl » Mon Oct 10, 2016 9:48 pm

Yes you're right. In the course from 1.4 to 2.0 several SDK version lowered the load on the IRAM use consistently and with 2.0 the IRAM use has incremented again, considerately.

It looks like some code was placed in IROM (flash) which didn't seem to be such a good idea after all (even though I had no problems myself). I'd be glad if we could have back the IRAM footprint like it was before 2.0.

DarkSide
Posts: 29
Joined: Mon Apr 06, 2015 6:51 pm

Re: Free IRAM

Postby DarkSide » Mon Nov 21, 2016 6:11 pm

Is this forum alive? Will I hear any response from Espressif related person?

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