Also, isn't it not the key size, but the # of keys? On Wed, May 30, 2012 at 12:45 PM, Stewart Mckinney <[email protected]>wrote:
> Is there any quantification on what "N" might be? > > On Wed, May 30, 2012 at 12:29 PM, Joran Greef <[email protected]> wrote: > >> Hash implementation quality being equal, C++ may be faster for hash >> inputs greater than N bytes where the cost of jumping between JS and C++ >> does not outweigh the benefit. For keys smaller than N bytes, hashing in JS >> may be faster. >> >> On Wednesday, May 30, 2012 6:17:17 PM UTC+2, Mark Hahn wrote: >>> >>> Are you talking about calculating the hash in javascript? If so then a >>> third way, using a C++ extension, would be much faster than either 31 or 32. >>> >>> On Wed, May 30, 2012 at 8:05 AM, Joran Greef <[email protected]> wrote: >>> >>>> If you're doing 32-bit hashes in Javascript and are willing to trade a >>>> bit, then a 31-bit hash may be at least an order of magnitude faster: >>>> https://groups.google.com/d/**msg/v8-users/zGCS_wEMawU/**6mConTiBUyMJ<https://groups.google.com/d/msg/v8-users/zGCS_wEMawU/6mConTiBUyMJ> >>>> >>>> -- >>>> Job Board: http://jobs.nodejs.org/ >>>> Posting guidelines: https://github.com/joyent/**node/wiki/Mailing-List- >>>> **Posting-Guidelines<https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines> >>>> You received this message because you are subscribed to the Google >>>> Groups "nodejs" group. >>>> To post to this group, send email to [email protected] >>>> To unsubscribe from this group, send email to >>>> nodejs+unsubscribe@**googlegroups.com<nodejs%[email protected]> >>>> For more options, visit this group at >>>> http://groups.google.com/**group/nodejs?hl=en?hl=en<http://groups.google.com/group/nodejs?hl=en?hl=en> >>>> >>> >>> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> > > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
