Global thread-local free-list allocator

[Witold]

On Friday, 17 March 2023 at 07:56:28 UTC, Herbie Melbourne wrote:
> On Thursday, 16 March 2023 at 20:53:28 UTC, Witold wrote:
>> I ported a classic DeltaBlue benchmark to D, and for 
>> allocations I use a mix of malloc/free (for structs with some 
>> trailing inline arrays), and new for some other structs and 
>> arrays.
>>
>> After running it, it felt kind of slow (I did not compare it 
>> to any other language yet, so no idea if it is actually 
>> slower, just feels slow), so I did some profiling (perf / 
>> hotspot mostly), and noticed that substantial amount of time 
>> is spent in gc (both allocation and collection). This is on 
>> Linux, and benchmark indeed creates a lot of garbage, as I 
>> rerun and rerun it in a loop.
>
> care to share some numbers?

What numbers you are interested in? I have numbers, but code is 
still being tuned here and there, and numbers from my machine 
would be arbitrary.