# 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:** 54

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**Author:** ![Orbots](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/orbots/32/3392_2.png) [@Orbots](https://discourse.julialang.org/u/Orbots)\
**Post date:** [December 19, 2018, 12:35am UTC](https://discourse.julialang.org/t/julia-programs-now-shown-on-benchmarks-game-website/17722/54 "2018-12-19T00:35:04Z")

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I see MemoryArena is registered.

Updated the gist with a MemoryArena version that is as close to possible as the current solution ( using threading ). I’m seeing pretty good timings.

env JULIA\_NUM\_THREADS=4 julia binarytrees-MemoryPool.jl  
stretch tree of depth 6 check: 127  
32 trees of depth 4 check: 992  
long lived tree of depth 5 check: 63  
0.198965 seconds (540.90 k allocations: 27.119 MiB)  
stretch tree of depth 22 check: 8388607  
2097152 trees of depth 4 check: 65011712  
524288 trees of depth 6 check: 66584576  
131072 trees of depth 8 check: 66977792  
32768 trees of depth 10 check: 67076096  
8192 trees of depth 12 check: 67100672  
2048 trees of depth 14 check: 67106816  
512 trees of depth 16 check: 67108352  
128 trees of depth 18 check: 67108736  
32 trees of depth 20 check: 67108832  
long lived tree of depth 21 check: 4194303  
2.291580 seconds (106 allocations: 5.297 KiB)

=========

env JULIA\_NUM\_THREADS=4 julia binarytrees-current.jl  
Thread count: 4  
stretch tree of depth 6 check: 127  
32 trees of depth 4 check: 992  
long lived tree of depth 5 check: 63  
0.306586 seconds (1.34 M allocations: 67.345 MiB, 4.36% gc time)  
stretch tree of depth 22 check: 8388607  
2097152 trees of depth 4 check: 65011712  
524288 trees of depth 6 check: 66584576  
131072 trees of depth 8 check: 66977792  
32768 trees of depth 10 check: 67076096  
8192 trees of depth 12 check: 67100672  
2048 trees of depth 14 check: 67106816  
512 trees of depth 16 check: 67108352  
128 trees of depth 18 check: 67108736  
32 trees of depth 20 check: 67108832  
long lived tree of depth 21 check: 4194303  
1.923280 seconds (219 allocations: 153.674 MiB, 3.44% gc time)

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