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mperham/bench.rb

Last active October 4, 2024 16:25
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  1. mperham revised this gist Oct 4, 2024. 2 changed files with 15 additions and 16 deletions.
    15 changes: 15 additions & 0 deletions mri-results.txt
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    ruby 3.3.5 (2024-09-03 revision ef084cc8f4) +YJIT [arm64-darwin23]
    Warming up --------------------------------------
    MutexFixnum 1.293M i/100ms
    thread-MutexFixnum 143.026k i/100ms
    Concurrent::AtomicFixnum
    1.074M i/100ms
    thread-Concurrent::AtomicFixnum
    104.075k i/100ms
    Calculating -------------------------------------
    MutexFixnum 14.924M (± 0.2%) i/s (67.01 ns/i) - 74.970M in 5.023621s
    thread-MutexFixnum 1.428M (± 0.8%) i/s (700.32 ns/i) - 7.151M in 5.008456s
    Concurrent::AtomicFixnum
    10.697M (± 0.4%) i/s (93.49 ns/i) - 53.703M in 5.020592s
    thread-Concurrent::AtomicFixnum
    1.043M (± 0.9%) i/s (958.88 ns/i) - 5.308M in 5.089994s
    16 changes: 0 additions & 16 deletions results.txt
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    % ruby bench.rb
    ruby 3.3.3 (2024-06-12 revision f1c7b6f435) [arm64-darwin23]
    Warming up --------------------------------------
    MutexFixnum 860.528k i/100ms
    thread-MutexFixnum 85.405k i/100ms
    Concurrent::AtomicFixnum
    341.332k i/100ms
    thread-Concurrent::AtomicFixnum
    33.790k i/100ms
    Calculating -------------------------------------
    MutexFixnum 8.588M (± 0.6%) i/s - 43.026M in 5.010274s
    thread-MutexFixnum 856.323k (± 0.9%) i/s - 4.356M in 5.086868s
    Concurrent::AtomicFixnum
    3.411M (± 0.1%) i/s - 17.067M in 5.003070s
    thread-Concurrent::AtomicFixnum
    336.522k (± 0.5%) i/s - 1.690M in 5.020613s
  2. mperham revised this gist Oct 4, 2024. 1 changed file with 15 additions and 0 deletions.
    15 changes: 15 additions & 0 deletions jruby-results.txt
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    jruby 9.4.8.0 (3.1.4) 2024-07-02 4d41e55a67 OpenJDK 64-Bit Server VM 18.0.2.1+0 on 18.0.2.1+0 +jit [arm64-darwin]
    Warming up --------------------------------------
    MutexFixnum 1.399M i/100ms
    thread-MutexFixnum 88.529k i/100ms
    Concurrent::AtomicFixnum
    8.141M i/100ms
    thread-Concurrent::AtomicFixnum
    127.454k i/100ms
    Calculating -------------------------------------
    MutexFixnum 13.902M (± 0.7%) i/s (71.93 ns/i) - 69.965M in 5.032978s
    thread-MutexFixnum 823.398k (± 5.3%) i/s (1.21 μs/i) - 4.161M in 5.067168s
    Concurrent::AtomicFixnum
    79.494M (± 0.9%) i/s (12.58 ns/i) - 398.895M in 5.018339s
    thread-Concurrent::AtomicFixnum
    1.268M (± 7.6%) i/s (788.80 ns/i) - 6.373M in 5.060407s
  3. mperham created this gist Oct 4, 2024.
    40 changes: 40 additions & 0 deletions bench.rb
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    require "benchmark/ips"
    require "concurrent"

    class MutexFixnum
    def initialize
    @value = 0
    @lock = Mutex.new
    end

    def increment(amount = 1)
    @lock.synchronize { @value += amount }
    end

    def value=(val)
    @lock.synchronize {
    old = @value
    @value = val
    old
    }
    end
    end

    Benchmark.ips do |x|
    [::MutexFixnum, ::Concurrent::AtomicFixnum].each do |klass|
    x.report(klass) do |count|
    sc = klass.new
    count.times { sc.increment }
    end
    x.report("thread-#{klass}") do |count|
    sc = klass.new
    t = []
    10.times {
    t << Thread.new do
    count.times { sc.increment }
    end
    }
    t.each(&:join)
    end
    end
    end
    16 changes: 16 additions & 0 deletions results.txt
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    % ruby bench.rb
    ruby 3.3.3 (2024-06-12 revision f1c7b6f435) [arm64-darwin23]
    Warming up --------------------------------------
    MutexFixnum 860.528k i/100ms
    thread-MutexFixnum 85.405k i/100ms
    Concurrent::AtomicFixnum
    341.332k i/100ms
    thread-Concurrent::AtomicFixnum
    33.790k i/100ms
    Calculating -------------------------------------
    MutexFixnum 8.588M (± 0.6%) i/s - 43.026M in 5.010274s
    thread-MutexFixnum 856.323k (± 0.9%) i/s - 4.356M in 5.086868s
    Concurrent::AtomicFixnum
    3.411M (± 0.1%) i/s - 17.067M in 5.003070s
    thread-Concurrent::AtomicFixnum
    336.522k (± 0.5%) i/s - 1.690M in 5.020613s