I have anecdata to add to Herbs point. I had a AAA project hitting 30ms pauses in free() implementation by platform vendor for quite popular gaming platform in

I have anecdata to add to Herbs point. I had a AAA project hitting 30ms pauses in free() implementation by platform vendor for quite popular gaming platform in 2016. Ofc it is anecdata but having actual deadlines from implementations is really hard. I had to replace malloc/free implementation like 3 month before ship date to avoid the issue.