Comments (4)
We could do this — it might be useful for the tracing-subscriber
use-case, as well, where we're currently adding 1 to all indices because 0 is reserved.
However, 0 is a valid slab index. If we did this, we would either end up wasting one slot on thread 0's slab, or need to do some munging of indices ourselves to avoid that. This may be worth it, however.
from sharded-slab.
Would it be reasonable to add an associated Key
type to the Config
trait, with the default being usize
to allow for custom configs that use std::num::NonZeroUsize
instead?
from sharded-slab.
@inanna-malick hmm, in theory, that could work! Could be worth experimenting with.
from sharded-slab.
I have a sketch of what it might look like here - it's not quite complete (I don't quite understand everything that's going on around key generation & what would be required to skip 0 there) but it shows the approximate scope of the changes https://github.com/inanna-malick/sharded-slab/tree/associated-key-type
from sharded-slab.
Related Issues (20)
- Some way to query size of pool
- panic in Config RefCount::decr HOT 5
- Getting owned handles via pool results in unbounded memory growth.
- Build error: use of unstable library feature 'renamed_spin_loop' HOT 4
- fall back gracefully when max thread IDs are reached HOT 2
- Can I set Config::RESERVED_BITS to 32?
- All uses of the word "slab" on docs.rs link to the loom repository instead
- Migrate from lazy_static to once_cell HOT 1
- Slab::unique_iter panics when the slab is empty HOT 1
- Why does TID require one extra bit? HOT 2
- #![no_std] support HOT 2
- Document semantics of Slab::unique_iter HOT 2
- Draining iterator HOT 1
- Serde support HOT 6
- sharded-slab v0.1.5 tests fail to compile on 32-bit x86 HOT 5
- Unbounded memory growth with RESERVED_BITS HOT 4
- Return key immediately on insert duplicate value
- error when building HOT 4
- Provide `Entry` that can cross the `.await` point HOT 1
- Poisoned thread leads to confusing panic in `Pool::current`
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from sharded-slab.