By: Michael S (already5chosen.delete@this.yahoo.com), September 20, 2022 2:56 am
Room: Moderated Discussions
Foyle (nope.delete@this.nope.com) on September 19, 2022 4:08 am wrote:
> anonymous2 (anonymous2.delete@this.example.com) on September 18, 2022 2:40 pm wrote:
> > https://github.com/nviennot/core-to-core-latency
> >
> > Why is Intel Core i9-9900K so low vs other Intel cores?
> >
>
> Table at the top of the page has wrong data for Skylake (i7-6700K). Graph below seems correct. There are
> no significant differences between *lake generations if you normalize the ring frequency (main variable,
> but not accounted for in the linked repo) and if you take the ring length (counted by # of stops) into account.
> In fact with 8-core Coffee Lake and 10-core Comet Lake the median core-to-core latency got worse.
Yes, i9-9900K numbers looks unexpectedly competitive relatively to it's smaller core-i brethren only until one realizes that during the test it was running at much higher frequency than "base" 3.6 GHz.
> anonymous2 (anonymous2.delete@this.example.com) on September 18, 2022 2:40 pm wrote:
> > https://github.com/nviennot/core-to-core-latency
> >
> > Why is Intel Core i9-9900K so low vs other Intel cores?
> >
>
> Table at the top of the page has wrong data for Skylake (i7-6700K). Graph below seems correct. There are
> no significant differences between *lake generations if you normalize the ring frequency (main variable,
> but not accounted for in the linked repo) and if you take the ring length (counted by # of stops) into account.
> In fact with 8-core Coffee Lake and 10-core Comet Lake the median core-to-core latency got worse.
Yes, i9-9900K numbers looks unexpectedly competitive relatively to it's smaller core-i brethren only until one realizes that during the test it was running at much higher frequency than "base" 3.6 GHz.
| Topic | Posted By | Date |
|---|---|---|
| GH repo to measure core-core latency | anonymous2 | 2022/09/18 02:40 PM |
| GH repo to measure core-core latency | Foyle | 2022/09/19 04:08 AM |
| GH repo to measure core-core latency | Michael S | 2022/09/20 02:56 AM |
| GH repo to measure core-core latency | Brendan | 2022/09/19 06:14 AM |
| GH repo to measure core-core latency | anon2 | 2022/09/19 08:14 PM |