# Julia programs now shown on benchmarks game website

**URL:** <https://discourse.julialang.org/t/julia-programs-now-shown-on-benchmarks-game-website/17722>\
**Category:** Community\
**Tags:** announcement\
**Created:** [November 19, 2018, 5:44pm UTC](https://discourse.julialang.org/t/julia-programs-now-shown-on-benchmarks-game-website/17722 "2018-11-19T17:44:02Z")\
**Posts on this page:** 1\
**Showing post:** 103

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**Author:** ![non-Jedi](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/non-jedi/32/3645_2.png) [@non-Jedi](https://discourse.julialang.org/u/non-Jedi)\
**Post date:** [August 20, 2019, 5:33pm UTC](https://discourse.julialang.org/t/julia-programs-now-shown-on-benchmarks-game-website/17722/103 "2019-08-20T17:33:01Z")

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See the discussion at:

> [@Relative performance discrepancy across cpus even with --cpu-target set](https://discourse.julialang.org/t/relative-performance-discrepancy-across-cpus-even-with-cpu-target-set/27503):
>
> I’ve been trying to optimize [the benchmarks game’s julia programs](https://benchmarksgame-team.pages.debian.net/benchmarksgame/fastest/julia.html) again, and I’m running into a problem I don’t really know how to work around. The gist is that between two implementations, one is significantly faster on the benchmarks game [cpu from 2007](https://ark.intel.com/content/www/us/en/ark/products/29765/intel-core-2-quad-processor-q6600-8m-cache-2-40-ghz-1066-mhz-fsb.html), and one is significantly faster on [my more modern laptop processor](https://ark.intel.com/content/www/us/en/ark/products/85213/intel-core-i5-5300u-processor-3m-cache-up-to-2-90-ghz.html). This discrepancy persists even when I set --cpu-target=core2. So that AVX instructions aren’t used. Any thoughts?

And also in the linked issue. The big obvious difference between the benchmark CPU and modern CPUs is AVX instructions, but it evidently doesn’t end there.

@Palli since you happen to have a core2 cpu, would you mind running the julia-4 benchmark as well to compare with julia-3? And possibly even send me the `@code_native` it’s generating for both?

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