Athunnea

Athunnea

Error trying to determine erlang version enoent when running Benchee in Livebook

I was trying to run Benchee in Livebook, was getting Error trying to determine erlang version enoent. Works fine in console. Anyone had this?

Benchee 1.1.0
Livebook 0.9
Elixir 1.14.2
Erlang 25.2
Macos 12.6.3

Logs:

23:26:07.968 [error] GenServer #PID<0.258.0> terminating
** (FunctionClauseError) no function clause matching in String.graphemes/1
    (elixir 1.14.2) lib/string.ex:1902: String.graphemes(:ok)
    (benchee 1.1.0) lib/benchee/utility/erlang_version.ex:100: Benchee.Utility.ErlangVersion.parse_erlang_version/1
    (benchee 1.1.0) lib/benchee/utility/erlang_version.ex:84: Benchee.Utility.ErlangVersion.includes_fixes_from?/2
    (benchee 1.1.0) lib/benchee/benchmark/repeated_measurement.ex:60: Benchee.Benchmark.RepeatedMeasurement.determine_resolution_adjustment/2
    (benchee 1.1.0) lib/benchee/benchmark/repeated_measurement.ex:42: Benchee.Benchmark.RepeatedMeasurement.determine_n_times/5
    (benchee 1.1.0) lib/benchee/benchmark/runner.ex:226: Benchee.Benchmark.Runner.measure_runtimes/4
    (benchee 1.1.0) lib/benchee/benchmark/runner.ex:102: Benchee.Benchmark.Runner.measure_scenario/2
    (elixir 1.14.2) lib/task/supervised.ex:89: Task.Supervised.invoke_mfa/2
Last message: {:DOWN, #Reference<0.447263386.2991587331.105744>, :process, #PID<0.257.0>, {:function_clause, [{String, :graphemes, [:ok], [file: 'lib/string.ex', line: 1902]}, {Benchee.Utility.ErlangVersion, :parse_erlang_version, 1, [file: 'lib/benchee/utility/erlang_version.ex', line: 100]}, {Benchee.Utility.ErlangVersion, :includes_fixes_from?, 2, [file: 'lib/benchee/utility/erlang_version.ex', line: 84]}, {Benchee.Benchmark.RepeatedMeasurement, :determine_resolution_adjustment, 2, [file: 'lib/benchee/benchmark/repeated_measurement.ex', line: 60]}, {Benchee.Benchmark.RepeatedMeasurement, :determine_n_times, 5, [file: 'lib/benchee/benchmark/repeated_measurement.ex', line: 42]}, {Benchee.Benchmark.Runner, :measure_runtimes, 4, [file: 'lib/benchee/benchmark/runner.ex', line: 226]}, {Benchee.Benchmark.Runner, :measure_scenario, 2, [file: 'lib/benchee/benchmark/runner.ex', line: 102]}, {Task.Supervised, :invoke_mfa, 2, [file: 'lib/task/supervised.ex', line: 89]}]}}
State: %{buffer: ["\e[31m\n23:26:07.967 [error] Task #PID<0.259.0> started from #PID<0.257.0> terminating\n** (FunctionClauseError) no function clause matching in String.graphemes/1\n    (elixir 1.14.2) lib/string.ex:1902: String.graphemes(:ok)\n    (benchee 1.1.0) lib/benchee/utility/erlang_version.ex:100: Benchee.Utility.ErlangVersion.parse_erlang_version/1\n    (benchee 1.1.0) lib/benchee/utility/erlang_version.ex:84: Benchee.Utility.ErlangVersion.includes_fixes_from?/2\n    (benchee 1.1.0) lib/benchee/benchmark/repeated_measurement.ex:60: Benchee.Benchmark.RepeatedMeasurement.determine_resolution_adjustment/2\n    (benchee 1.1.0) lib/benchee/benchmark/repeated_measurement.ex:42: Benchee.Benchmark.RepeatedMeasurement.determine_n_times/5\n    (benchee 1.1.0) lib/benchee/benchmark/runner.ex:226: Benchee.Benchmark.Runner.measure_runtimes/4\n    (benchee 1.1.0) lib/benchee/benchmark/runner.ex:102: Benchee.Benchmark.Runner.measure_scenario/2\n    (elixir 1.14.2) lib/task/supervised.ex:89: Task.Supervised.invoke_mfa/2\nFunction: #Function<2.21877062/0 in Benchee.Utility.Parallel.map/2>\n    Args: []\n\e[0m", "Benchmarking a ...\n", "Benchmark suite executing with the following configuration:\nwarmup: 2 s\ntime: 5 s\nmemory time: 0 ns\nreduction time: 0 ns\nparallel: 1\ninputs: none specified\nEstimated total run time: 7 s\n\n", "Operating System: macOS\nCPU Information: Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz\nNumber of Available Cores: 8\nAvailable memory: 16 GB\nElixir 1.14.2\nErlang ok\n\n", "Error trying to determine erlang version enoent\n"], ebin_path: "/var/folders/3z/cr46pg1x64dby064g5971brm0000gn/T/livebook_runtime/m3mc7n4tfo5rx6gl56rmvbbmtvl5rau3/ebin", encoding: :unicode, evaluator: #PID<0.257.0>, evaluator_monitor: #Reference<0.447263386.2991587331.105744>, file: "#cell:dy6feawyxgmazuduzsh53dl5lertircg", input_cache: %{}, modules_defined: MapSet.new([]), object_tracker: #PID<0.141.0>, ref: "dy6feawyxgmazuduzsh53dl5lertircg", runtime_broadcast_to: #PID<11893.910.0>, send_to: #PID<11893.909.0>, token_count: 0, tracer_info: %Livebook.Runtime.Evaluator.Tracer{modules_used: MapSet.new([Benchee, Kernel, :erlang]), modules_defined: %{}, aliases_used: MapSet.new([Benchee]), aliases_defined: %{}, requires_used: MapSet.new([]), requires_defined: MapSet.new([]), imports_used?: true, imports_defined?: false, undefined_vars: MapSet.new([])}}

Most Liked

mayel

mayel

Seems to be an issue in this function then (which already has a comment about a workaround for livebook): benchee/system.ex at main · bencheeorg/benchee · GitHub

What happens when you run :erlang.system_info(:otp_release) ?

mayel

mayel

Ah then I’d check if you’re using the latest version of benchee, you may not have one that implements that workaround.

Athunnea

Athunnea

Thanks! Seems that patch hasn’t been released yet

Athunnea

Athunnea

I have switched to benchee from the master branch, it works in Livebook. Hope they release it.

Thanks @mayel

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