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Performance comparison of ChaiScript w/ several other scripting languages
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| Summary for simple looped calculation (details and code below): | |
| - on OS X 10.10.3, Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5 | |
| Language Tested Version Best Time Relative to Fastest | |
| ======== ============== ========= =================== | |
| Node.js v0.10.33 0.0028 1 | |
| Lua v5.3.0 0.0098 3.5 | |
| SuperCollider v3.6.6 0.0138 4.9 | |
| Python v2.7.6 0.0413 14.8 | |
| ChaiScript post-v5.6.0 (8fc61bf) 0.3325 118.8 | |
| (compiled w/ -DCHAISCRIPT_NO_THREADS) | |
| ChaiScript post-v5.6.0 (8fc61bf) 0.4949 176.8 | |
| (compiled w/ thread-safety enabled; default) | |
| //////////////////////////////////////////////////////////// | |
| // 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 | |
| // | |
| // ChaiScript post-v5.6.0 (ebc6468) Release (measured April 30, 2015 on Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5): | |
| // (compiled w/ -DCHAISCRIPT_NO_THREADS) | |
| // Elapsed time: 0.332631 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 | |
| //////////////////////////////////////////////////////////// | |
| // Node.js (Javascript): | |
| var sum = 0.0; | |
| var start = process.hrtime(); | |
| for (var i = 1; i <= 100000; ++i) { | |
| if (i % 2 == 0) { | |
| sum += 1.0 / i; | |
| } | |
| else { | |
| sum += 1.0 / (i * i); | |
| } | |
| } | |
| var elapsed = process.hrtime(start); | |
| var elapsedSecs = elapsed[0] + elapsed[1] * 1e-9; | |
| console.log('Elapsed time: %d sum: %d', elapsedSecs.toFixed(6), sum.toFixed(4)); | |
| // | |
| // Node.js v0.10.33 (measured April 30, 2015 on Mac Pro: 3,7 GHz Quad-Core Intel Xeon E5): | |
| // Elapsed time: 0.002819 sum: 6.9322 | |
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