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Performance comparison of ChaiScript w/ several other scripting languages
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| //////////////////////////////////////////////////////////// | |
| // ChaiScript: | |
| // | |
| // getTimeInSeconds() is implemented in C++ as follows: | |
| // | |
| // double getTimeInSeconds() | |
| // { | |
| // using namespace std::chrono; | |
| // static time_point<high_resolution_clock> start = high_resolution_clock::now(); | |
| // | |
| // duration<double> elapsed_seconds = high_resolution_clock::now() - start; | |
| // return elapsed_seconds.count(); | |
| // } | |
| // | |
| // It is exposed as follows: | |
| // | |
| // mChai.add(chaiscript::fun(&getTimeInSeconds), "getTimeInSeconds"); | |
| var sum = 0.0 | |
| var start = getTimeInSeconds() | |
| for (var i = 1; i <= 100000; ++i) { | |
| if (i % 2 == 0) { | |
| sum += 1.0 / i; | |
| } | |
| else { | |
| sum += 1.0 / (double(i) * i); | |
| } | |
| } | |
| var end = getTimeInSeconds() | |
| print("Elapsed time: " + to_string(end - start) + " sum: " + to_string(sum)) | |
| // | |
| // ChaiScript post-v5.6.0 (8fc61bf) Release (measured April 30, 2015 on Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5): | |
| // Elapsed time: 0.494943 sum: 6.9322 | |
| //////////////////////////////////////////////////////////// | |
| // SuperCollider: | |
| ( | |
| var sum = 0.0; | |
| var dur; | |
| dur = { | |
| (1..100000).do { arg i; | |
| if (i % 2 == 0) { | |
| sum = sum + (1.0 / i); | |
| } { | |
| sum = sum + (1.0 / (i * i)); | |
| } | |
| }; | |
| }.bench(false); | |
| "Elapsed time: % sum: %".format(dur.round(1e-6), sum.round(1e-4)).postln; | |
| "" | |
| ) | |
| // | |
| // SuperCollider v3.6.6 (measured April 30, 2015 on Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5): | |
| // Elapsed time: 0.013837 sum: 6.9322 | |
| //////////////////////////////////////////////////////////// | |
| // Python: | |
| from timeit import default_timer as timer | |
| sum = 0.0 | |
| start = timer() | |
| for i in xrange(1, 100001): | |
| if i % 2 == 0: | |
| sum += 1.0 / float(i) | |
| else: | |
| sum += 1.0 / (float(i) * i) | |
| end = timer() | |
| print "Elapsed time: {:.6f} sum: {:.4f}".format(end - start, sum) | |
| // | |
| // Python v2.7.6 (measured April 30, 2015 on Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5): | |
| // Elapsed time: 0.041317 sum: 6.9322 | |
| //////////////////////////////////////////////////////////// | |
| // Lua: | |
| sum = 0.0 | |
| startTime = os.clock() | |
| for i = 1, 100000 do | |
| if i % 2 == 0 then | |
| sum = sum + (1.0 / i) | |
| else | |
| sum = sum + (1.0 / (i * i)) | |
| end | |
| end | |
| endTime = os.clock() | |
| print(string.format("Elapsed time: %.6f sum: %.4f", endTime-startTime, sum)) | |
| // | |
| // Lua v5.3.0 (measured April 30, 2015 on Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5): | |
| // Elapsed time: 0.009793 sum: 6.9322 |
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