[CM] setting heap size preemptively at startup?

Iain Duncan iainduncanlists at gmail.com
Sat Sep 11 06:39:00 PDT 2021

So is it correct that one cannot get the heap down to below the starting
heap value without changing it and recompiling s7?

I've had quite a striking change in GC time when the heap is bigger, so am
curious to give a smaller heap size a try.
In other news though, locking it out for the duration of a song works like
a charm and allows me to run real time s4m sequencers inside Ableton Live
with even very low latency values. Though for that matter, doing absolutely
nothing to the GC also works fine for pretty standard Ableton Live latency
settings. A large heap resize does give me an underrun but seems like I
have to deliberately abuse it to make that happen, normally the gc does
it's thing in time without issue.


On Fri, Sep 10, 2021 at 9:59 AM Iain Duncan <iainduncanlists at gmail.com>

> Ah, great, thanks Bill.
> When I feel like I have got somewhere decent I will document up what I've
> learned and if it's useful to have up on a non-Scheme-for-Max specific
> cookbook page or something, I'd be happy to make that.
> iain
> On Fri, Sep 10, 2021 at 8:40 AM <bil at ccrma.stanford.edu> wrote:
>> To see heap and gc stats, set gc-stats to 3 -- I should
>> dream up names for these bits.
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