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Latest Dart VM Beats JVM in DeltaBlue Benchmark

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Shortly after Dart2js outperformed hand-written JavaScript, the latest Dart VM now beats JVM 7 64-bit Server, and other versions, in the DeltaBlue benchmark.

Nikolay Botev has ported the DeltaBlue benchmark from Dart to Java and run the benchmark against Dart-22416 (latest stable release) and Dart-22577 (a nightly build), and against several Java client versions, posting the following results on his blog:

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The fist column contains the time in us needed to run one iteration of the test while the second column represents the number of runs/sec, being the DeltaBlue score charted above.

We have also run the same tests on a 8-core AMD FX-8350 machine with SSD, but this time against JVM 7 64-bit Server, getting the following average results after 10 runs of each test:

VM Average Time (us) Score
Java HotSpot(TM) 64-Bit Server VM 1.7.0_21 23.21-b01 1808.18 553.04
Dart-22416 1885.02 530.5
Dart-22610 1610.48 620.93

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In our test, Dart VM shows 12% better performance than the JVM, which is consistent with Botev's findings.

Greg Lowe posted his results on running DeltaBlue on JVM and Dart VM a couple of months ago, but his benchmark uses Sun’s original DeltaBlue code written in Java which includes a warm-up time:

image

Lowe’s results show better performance for Dart up to 1,000 iterations of the test, while Java performs better after 10,000 iterations. In the light of Botev’s latest tests, which uses a newer Dart VM, Lowe commented on a Dart group:

I had a quick look at this. It appears the DartVM is now beating the JVM even at 100,000 iterations (Previously Java edged out Dart at higher iterations).

100,000 iterations takes ~45 seconds to run on my computer.

At a lower number of iterations the DartVM beats the JVM by a significant margin.

While we cannot draw final conclusions based on a single benchmark, we can safely say that Google has enhanced Dart VM’s performance to the point where it becomes a serious contender.

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