use perftest to benchmark

Author: scivision

example/BenchmarkSamepath.m

@@ -0,0 +1,45 @@
+classdef (SharedTestFixtures={ matlab.unittest.fixtures.PathFixture("..")}) ...
+    BenchmarkSamepath < matlab.perftest.TestCase
+
+properties(TestParameter)
+backend
+end
+
+methods (TestParameterDefinition, Static)
+function backend = setupBackend()
+  backend = init_backend('samepath');
+end
+end
+
+
+methods (Test)
+
+function bench_exist(tc, backend)
+tc.startMeasuring()
+y = stdlib.samepath('.', pwd(), backend);
+tc.stopMeasuring()
+
+tc.verifyEqual(y, true)
+end
+
+
+function bench_diff(tc, backend)
+tc.startMeasuring()
+y = stdlib.samepath('.', mfilename('fullpath'), backend);
+tc.stopMeasuring()
+
+tc.verifyEqual(y, false)
+end
+
+
+function bench_not_exist(tc, backend)
+tc.startMeasuring()
+y = stdlib.samepath('not-exist', 'not-exist', backend);
+tc.stopMeasuring()
+
+tc.verifyEqual(y, false)
+end
+
+end
+
+end

example/BenchmarkSamepathRun.m

@@ -0,0 +1,22 @@
+function [r, s] =  BenchmarkSamepathRun()
+%% Exist, same
+r.same = run_bench('BenchmarkSamepath/bench_exist');
+s.exist = sampleSummary(r.same);
+disp(sortrows(s.exist, "Median"))
+%% Exist, different
+r.diff = run_bench('BenchmarkSamepath/bench_diff');
+s.diff = sampleSummary(r.diff);
+disp(sortrows(s.diff, "Median"))
+%% Not Exist
+r.not = run_bench('BenchmarkSamepath/bench_not_exist');
+s.not = sampleSummary(r.not);
+disp(sortrows(s.not, "Median"))
+
+end
+
+
+function result = run_bench(name)
+suite = testsuite(name);
+exp = matlab.perftest.TimeExperiment.limitingSamplingError(MaxSamples=25);
+result = exp.run(suite);
+end

example/bench_samepath.m

@@ -0,0 +1,12 @@
+function backends = init_backend(funcName)
+arguments
+  funcName (1,1) string
+end
+
+r = fileparts(fileparts(fileparts(mfilename('fullpath'))));
+addpath(r)
+co = onCleanup(@() rmpath(r));
+
+backends = cellstr(stdlib.Backend().select(funcName));
+
+end

example/private/init_backend.m

@@ -7,9 +7,6 @@
 addpath(r)
 co = onCleanup(@() rmpath(r));
 
-backends = convertStringsToChars(stdlib.Backend().select(funcName));
-if ischar(backends)
-  backends = {backends};
-end
+backends = cellstr(stdlib.Backend().select(funcName));
 
 end