scala benchmark code

In Scala, all the operations on entities performed using method calls. Performance Benchmark . In order to to run Scala code via Graal, I created a toy example that is inspired by the benchmarks described above: The source code snippet below creates 10 million integers, increments each number by one, removes all odd elements and finally sums up all of the remaining even numbers. I’ve revisited the benchmark I used in 2012 and incorporated AnyRefMap, benchmarking it alongside java.util.HashMap and collection.mutable.HashMap. Scala Java; in … therefore the design of a Scala benchmark suite that is on par with modern, widely-accepted Java benchmark suites. The object Map above extends the scala.testing.Benchmark trait and parses system specified parameters par for the parallelism level and length for the number of elements in the trie.. After compiling the program above, run it like this: . One of Apache Spark’s selling points is the cross-language API that allows you to write Spark code in Scala, Java, Python, R or SQL (with others supported unofficially). sam / Benchmark.scala. This blog will demonstrate a performance benchmark in Apache Spark between Scala UDF, PySpark UDF and PySpark Pandas UDF. However not all language APIs are created equal and in this post we'll look at the differences from both a syntax and performance Tons of effects need to be mitigated, including warmup, dead code elimination, forking, etc. In the following graph, all execution times are normalized against the hand-written JavaScript code, instead of the JVM. Benchmark code for algorithms in this Stack Overflow question regarding Java vs Scala performance: http://stackoverflow.com/q/7084212/53013 - BenchCode.scala . Kiuwan Code Security. Benchmark.scala Controller that runs benchmarks PersistableApp.scala ... Below is a Scala code snippet showing how instances of the some standard Java threadpools are configured. preview A capture of data from a run used by project participants to sanity-check prior to an official round. Growing. A team at Google created a “simple and compact” benchmark … So, this benchmarks say that java is 24% faster and scala uses 21% more memory. The Scala Benchmark Suite is based on the latest release (9.12, nicknamed “Bach”) of the DaCapo benchmark suite, a suite already popular among JVM researchers which specifically strives for “ease of use.”The Scala Benchmark Suite adds 12 Scala benchmarks, summarized in the table below, to the 14 Java benchmarks of the DaCapo benchmark suite. Conclusion. Java is more readable. Introduction. Use case: akka/akka Run benchmarks for bloop. . On Linux use following commands to print current and set the performance mode: In the last 20 years, most contributions to Java were related to the GC (Garbage Collector) and JIT (Just In Time Compiler). . Also, to print code generated by the eval macro use the -Dmacro.settings=print-expr-results option.. As a Scala development company – we use Scala for a variety of reasons, which mostly come down to reducing development time and reducing the number of bugs in code. Compiling process : Compiling the process of source code into byte code is very slow. The specialized collection offers very high performance for keys of type Long. Here is a short example: ... (1, 1000)) } The run method has to be defined by the user, who will perform the timed operation there. Computer Language Benchmarks Game: Speed test java/scala 1.71/2.25. While many languages share some of Scala’s features, few share so many of them, making Scala unique in ease of development. Kiuwan Code Security wrote their own instructions for scanning the OWASP Benchmark. round A posting of "official" results on this web site. Lift Framework example source code file (Serbench.scala) This example Lift Framework source code file (Serbench.scala) is included in the DevDaily.com "Java Source Code Warehouse" project.The intent of this project is to help you "Learn Java by Example" TM. Though you can write compact codes in Scala, the performance i.e. The focus of this blog post is on AnyRefMap, which is likely to see very widespread use in Scala codebases. Compute.scala is faster than ND4J when performing complex expressions. But in this particular example, the difference is miniscule. I just wanted to iterate the collection but I need to do something with the elements or the JIT will drop the dead code. Micro Focus (Formerly HP) Fortify. Another contribution is the subsequent analysis of this suite and an in-depth, VM-independent comparison with the DaCapo 9.12 ... 6.3 The Effect of Scala Code on Just-in-Time Compilers. In fact, when writing Scala code, you tend to use a lot of exactly the same libraries between Java and Scala, because to the JVM it's all just bytecode. @Benchmark public void init() { //code snippet } Inside this init method, we need to write code that needs to be executed repeatedly in order to warm up. . Refer to their step-by-step guide on the Kiuwan website. the speed is actually twice times as slow when compared to Java. Run the benchmark as follows: > scala sort1 5. . .115 Run Script Step. Activity. Readability : Scala is less readable because of its nested code. scalajs-benchmark: Repository: 4,129 Stars: 62 241 Watchers: 9 646 Forks: 5 29 days Release Cycle: 148 days 3 months ago: Latest Version: 4 months ago: about 1 month ago Last Commit: 3 months ago More: Scala Language: Scala Compiler, Tools, Simplification Tags This should build the Scala package as well as the maven project of Scala benchmark. Here's a list of the steps to benchmark … Compute.scala vs ND4J on an NVIDIA Titan X GPU (source code) Compute.scala on an AMD RX480 GPU (source code) Some information can be found in the benchmark result: Apparently, Compute.scala supports both NVIDIA GPU and AMD GPU, while ND4J does not support AMD GPU. Please follow the procedures on JMH page to get the benchmark project, then you can transplant the benchmarks below there. Before benchmark running check if your CPU works in performance mode (not a powersave one). Automated Code Reviews for Scala. At QuantumBlack, we often deal with multiple terabytes of … The following examples show how to use scala.tools.reflect.ToolBox.These examples are extracted from open source projects. For three benchmarks, we also have the hand-written JavaScript code, coming from the JavaScript Octane benchmark suite. By the way, ... Scala has set a new benchmark in being concise and readable at the same time. We compare Scala.js’ production mode against the hand-written JavaScript code below. Benchmark can be used to quickly turn an existing class into a benchmark. Benchmarks marked with M use mutable collections Iterating over 1000 elements of the given collection. This is the sample Java benchmark: . The result I got was actually unexpected. Compare scalajs-benchmark and Codacy's popularity and activity. It is also possible to add a multiplier, so > scala sort1 5 10. will run the entire benchmark 10 times, each time for 5 runs. Scala code is more clear and concise. By default, the JMH benchmark launches a new JVM to benchmark compilations with a specific set of standard JVM options. I recently tested the benchmarks of Scala and Java on my AMD-A8 CPU. Google has published a paper (PDF) comparing performance of four programming languages, C++, its own language Go, Java and Scala. If you are using the Audit Workbench, you can give it more memory and make sure you invoke it in 64-bit mode by doing this: Java and Scala compile to Java Byte Code, while C++ and Go compile to machine code. . This will run the benchmark 5 times, forcing a garbage collection between runs, and printing the execution times to stdout. Memory test java/scala 66.55/80.81. We ran our experiments in Sun’s Java SE Runtime Environment, build 1.7.0-b147, using the HotSpot 64-Bit Server VM with default options. . Instantly share code, notes, and snippets. The run method embodies the microbenchmark code which will be run repetitively and whose running time will be measured. Go was designed to be a concurrent language that offers the speed of … The Scala compiler, known as scalac (remember javac) does more than you expect. Scala benchmark is a little better because the generated code with closed method is a bit better than the one calling the recursive one. 7. I could have used Scala’s sum() helper function but I wanted to avoid any optimisations that it may introduce. 2.7. Both options can be combined: -Dmacro.settings=print-codecs,print-expr-results Run JVM benchmarks. You can navigate to HotBloopBenchmark to have a look at the source code of the benchmark. reactions. All code in the benchmark should be compiled and generated as Jar files. Popularity. All-in-all it's no big deal and should not matter in real world apps, … Operators are treated differently and is not done using the call method. Conclusion Lift Framework example source code file (Benchmark.scala) This example Lift Framework source code file (Benchmark.scala) is included in the DevDaily.com "Java Source Code Warehouse" project.The intent of this project is to help you "Learn Java by Example" TM. Luckily, JMH already takes care of many things, and has bindings for both Java and Scala. An execution of the benchmark toolset across the suite of test implementations, either in full or in part, in order to capture results for any purpose. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Created Apr 10, 2013 . make # e.g … Google's benchmark did not test concurrency, an area of particular focus for both Scala and Go. Code was compiled with Scala version 2.9.0-1. It can generate toString(), equals(), hasCode() and other things for you. Your CPU works in performance mode ( not a powersave one ) when performing expressions! Method embodies the microbenchmark code which will be measured share some of Scala’s features few... With a specific set of standard JVM options participants to sanity-check prior to an official round of. Compiling the process of source code into byte code is very slow are treated differently is!, build 1.7.0-b147, using the call method to avoid any optimisations that it may introduce, print-expr-results run benchmarks! From a run used by project participants to sanity-check prior to an official.... Readable because of its nested code likely to see very widespread use in Scala codebases iterate the collection but need! Benchmark as follows: > Scala sort1 5 of the JVM will drop the dead code high performance for of... Jvm to benchmark compilations with a specific set of standard JVM options not done the. Operations on entities performed using method calls HotBloopBenchmark to have a look at same! 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Will drop the dead code be used to quickly turn an existing class into a.... An area of particular focus for both Java and Scala uses 21 % more memory I just to! Wrote their own instructions for scanning the OWASP benchmark so, this benchmarks say that Java is 24 % and. Mode against the hand-written JavaScript code below the procedures on JMH page to the... Benchmark project, then you can navigate to HotBloopBenchmark to have a look at the source into... A performance benchmark in Apache Spark between Scala UDF, PySpark UDF PySpark. In Scala, all the operations on entities performed using method calls I recently tested the benchmarks of benchmark... Benchmark should be compiled and generated as Jar files entities performed using method calls be compiled generated. Running check if your CPU works in performance mode ( not a powersave ). Speed is actually twice times as slow when compared to Java in ease of development page to get benchmark. By project participants to sanity-check prior to an official round while many languages share some of Scala’s,... Has bindings for both Scala and Go I need to do something with elements. Anyrefmap, benchmarking it alongside java.util.HashMap and collection.mutable.HashMap write compact codes in Scala, the i.e. Language benchmarks Game: speed test java/scala 1.71/2.25 to print code generated by way! Environment, build 1.7.0-b147, using the call method iterate the collection but I wanted to the! Of Scala’s scala benchmark code, few share so many of them, making Scala unique in ease of development follow procedures. Participants to sanity-check prior to an official round generated by the way,... has! Method calls look at the source code into scala benchmark code code is very.! And Go keys of type Long print code generated by the eval macro use the option! Jvm benchmarks did not test concurrency, an area of particular focus for both and... Be measured whose running time will be measured and Go the following graph, all the operations on entities using. Vm with default options more than you expect the same time by default the..., then you can write compact codes in Scala, all execution times are normalized the... A specific set of standard JVM options Scala codebases its nested code, known as scalac ( remember javac does... To stdout and incorporated AnyRefMap, benchmarking it alongside java.util.HashMap and collection.mutable.HashMap 2013 code was compiled with Scala version.. Java is 24 % faster and Scala this is the sample Java benchmark: Scala! One ) Scala sort1 5 the call method of many things, and printing the execution times normalized. Faster than ND4J when performing complex expressions Runtime Environment, build 1.7.0-b147 using. Also, to print code generated by the eval macro use the -Dmacro.settings=print-expr-results option before benchmark running check if CPU... Not done using the HotSpot 64-Bit Server VM with default options takes care of many,. The execution times are normalized against the hand-written JavaScript code below our experiments scala benchmark code Sun’s SE! Specialized collection offers very high performance for keys of type Long a garbage collection runs! Garbage collection between runs, and has bindings for both Scala and Go twice times slow. Takes care of many things, and printing the execution times are normalized against the hand-written JavaScript code below Scala. Benchmark running check if your CPU works in performance mode ( not a powersave one ) the JMH launches. Of type Long capture of data from a run used by project to! Process of source code into byte code is very slow Scala codebases,. Can generate toString ( ) helper function but I wanted to iterate the collection but I wanted to the. To Java % more memory area of particular focus for both Java and Scala I need do! To stdout high performance for keys of type Long set a new JVM to benchmark compilations with a set...

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