> Improve the speed of Enum.hashCode by caching the identity hashcode on first
> use. I've seen an application where Enum.hashCode is a hot path, and this is
> fairly simple speedup. The memory overhead is low; in enums with no extra
> fields there is already a 4-byte space due to alignment so t
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 16:44:24 GMT, Aleksey Shipilev wrote:
> I am okay with this new version, thanks. (You need other commenters to
> approve as well.)
While there's already one more reviewer who approved this PR (@cl4es) and
technically it can be already integrated, I'd leave it for a day or t
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 23:38:31 GMT, John R Rose wrote:
> I do have one comment: Since identity hash codes are typically reasonably
> well-conditioned, it is perfectly reasonable to recondition an occasional 0
> by replacing it with 1, in order to store it in a stable variable for later
> reuse.
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Wed, 19 Apr 2023 13:50:49 GMT, Aleksey Shipilev wrote:
> @AlanBateman, @apangin, @ExE-Boss, @liach, @pavelrappo -- you had comments on
> this PR, could you please see if those are still relevant or not addressed?
> If you are good with the current version, can you please formally approve the
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
On Mon, 17 Apr 2023 16:42:38 GMT, olivergillespie wrote:
>> Improve the speed of Enum.hashCode by caching the identity hashcode on first
>> use. I've seen an application where Enum.hashCode is a hot path, and this is
>> fairly simple speedup. The memory overhead is low; in enums with no extra
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