Is there a page somewhere on how to program D without using the GC? How do I allocate / free structs / classes on the heap manually? New would be GCed memeory wouldnt it? Delete is being depreciated?

thanks.

On Wednesday, 26 October 2016 at 08:18:07 UTC, hardreset wrote:
> Is there a page somewhere on how to program D without using the GC? How do I allocate / free structs / classes on the heap manually? New would be GCed memeory wouldnt it? Delete is being depreciated?
>
> thanks.

Probably you want to read:
https://dlang.org/phobos/std_experimental_allocator.html

Anyway GC works really good for common software development.

On Wednesday, 26 October 2016 at 08:18:07 UTC, hardreset wrote:
> Is there a page somewhere on how to program D without using the GC? How do I allocate / free structs / classes on the heap manually? New would be GCed memeory wouldnt it? Delete is being depreciated?
>
> thanks.

There is the following:
https://wiki.dlang.org/Memory_Management

On Wednesday, 26 October 2016 at 08:18:07 UTC, hardreset wrote:
> Is there a page somewhere on how to program D without using the GC?

The information is scattered.


> How do I allocate / free structs / classes on the heap manually?

Classes => https://github.com/AuburnSounds/dplug/blob/master/core/dplug/core/nogc.d#L122



> New would be GCed memeory wouldnt it?

Yes.



> Delete is being depreciated?

I don't think you ever want delete when there is .destroy

On Thursday, 27 October 2016 at 07:52:09 UTC, Guillaume Piolat wrote:
> On Wednesday, 26 October 2016 at 08:18:07 UTC, hardreset wrote:
>> Is there a page somewhere on how to program D without using the GC?
>
> The information is scattered.
>
>
>> How do I allocate / free structs / classes on the heap manually?
>
> Classes => https://github.com/AuburnSounds/dplug/blob/master/core/dplug/core/nogc.d#L122

Thanks.

I notice you avoid GC altogether in dplug. Whats the reason for total avoidance as apposed to just avoiding it in the real time code?

On Friday, 28 October 2016 at 11:50:20 UTC, hardreset wrote:
> On Thursday, 27 October 2016 at 07:52:09 UTC, Guillaume Piolat wrote:
>> On Wednesday, 26 October 2016 at 08:18:07 UTC, hardreset wrote:
>>> Is there a page somewhere on how to program D without using the GC?
>>
>> The information is scattered.
>>
>>
>>> How do I allocate / free structs / classes on the heap manually?
>>
>> Classes => https://github.com/AuburnSounds/dplug/blob/master/core/dplug/core/nogc.d#L122
>
> Thanks.
>
> I notice you avoid GC altogether in dplug. Whats the reason for total avoidance as apposed to just avoiding it in the real time code?

Not a lot of reason.
It's very recent work, I'm still struggling making threadpool works.

- Reason #1 was that it gives a way to unload shared libraries on OSX. This bug has been fixed in LDC but would require to make druntime and phobos a shared library to ship. That makes releases 3x larger so I went with disabling the runtime instead (one month of work and still going...).

- Reason #2 is that GC does use more memory. Next release of our products use 2x fewer memory.

All in all it's _painful_ not to use the D runtime, suddenly you can't use third-party code, and there is no performance enhancement to expect apart from reduced memory usage.

Don't avoid the runtime on principles alone.