JavaScript performance has long been a topic of discussion in the web development community, with lots of developers claiming their favorite framework or library is faster than another. However, since benchmarks are always conducted on computers which are not perfectly representative of the real world, and because there’s no standard benchmark that everyone can agree on, it’s frequently difficult to take these claims at face value.
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Chrome Octane is Google’s latest attempt to provide a standardized benchmarking tool that anyone can use to test the speed of their application. The original version was released in May 2013, but now a year later Google has revamped it with an improved algorithm and a more user-friendly interface—not to mention a new name: Chrome Octane 2.0 (Octane being the codename for the Google V8 engine).
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The new benchmark tests the speed of an application’s internal code, and is meant to offer developers a better way of testing their applications than older benchmarks, which tested external code performance.
Chrome Octane 2.0 JavaScript Benchmark Speed test
The Octane Score is a benchmark test designed to measure the performance of a browser‘s JavaScript engine. The score is determined by running a series of tests that assess various aspects of JavaScript performance, including core language features, bit and math operations, memory and garbage collection, strings and arrays, virtual machine and compiler latency, loading and parsing, and asm.js.
- Richards: This test measures the ability of the JavaScript engine to handle complex and multi-threaded tasks. It simulates a simple operating system’s process scheduler and evaluates the engine’s ability to handle complex scheduling and task management tasks.
- Deltablue: This test measures the performance of the JavaScript engine in solving constraint-satisfaction problems. It uses a simple constraint-solving algorithm to evaluate the engine’s ability to solve complex problems efficiently.
- Crypto: This test measures the performance of the JavaScript engine in performing cryptographic operations. It evaluates the engine’s ability to perform complex mathematical operations, such as encryption and decryption, quickly and efficiently.
- Raytrace: This test measures the performance of the JavaScript engine in rendering 3D graphics. It evaluates the engine’s ability to handle complex graphical operations and create smooth, realistic 3D images.
- EarleyBoyer: This test measures the performance of the JavaScript engine in memory allocation and garbage collection. It evaluates the engine’s ability to allocate and manage memory efficiently, and to perform garbage collection quickly and effectively.
- Regexp: This test measures the performance of the JavaScript engine in working with regular expressions. It evaluates the engine’s ability to perform complex string operations, such as pattern matching and string manipulation, quickly and efficiently.
- Splay: This test measures the performance of the JavaScript engine in working with linked lists. It evaluates the engine’s ability to handle complex linked list operations, such as insertion, deletion, and traversal, efficiently.
- Splay Latency: This test measures the latency of the JavaScript engine’s garbage collector. It evaluates the engine’s ability to perform garbage collection quickly and efficiently, without causing significant pauses or slowdowns in the application.
- NavierStokes: This test measures the performance of the JavaScript engine in working with strings and arrays. It evaluates the engine’s ability to perform complex string and array operations, such as concatenation, sorting, and searching, quickly and efficiently.
- pdf.js: This test measures the performance of the JavaScript engine in working with PDF files. It evaluates the engine’s ability to load, parse, and render PDF files quickly and efficiently.
- Mandreel: This test measures the performance of the JavaScript engine in virtual machine operations. It evaluates the engine’s ability to execute virtual machine code quickly and efficiently, without causing significant overhead or slowdowns.
- MandreelLatency: This test measures the latency of the JavaScript engine’s compiler. It evaluates the engine’s ability to compile code quickly and efficiently, without causing significant pauses or slowdowns in the application.
- GB Emulator: This test measures the performance of the JavaScript engine in emulating classic video games. It evaluates the engine’s ability to run complex and demanding video game simulations quickly and efficiently.
- CodeLoad: This test measures the performance of the JavaScript engine in loading and parsing code. It evaluates the engine’s ability to load and parse code quickly and efficiently, without causing significant pauses or slowdowns in the application.
- Box2DWeb: This test measures the performance of the JavaScript engine in working with physics simulations. It evaluates the engine’s ability to handle complex physics operations, such as collision detection and resolution, quickly and efficiently.
- zlib: This test measures the performance of the JavaScript engine in working with asm.js. It evaluates the engine’s ability to execute asm.js code quickly and efficiently, without causing significant overhead or slowdowns.
- Typescript: This test measures the performance of the JavaScript engine in working with the TypeScript language
Chrome Octane Javascript Speed Test Run 1
In this case, the Octane Score for the chrome browser is 22205. This score is determined by the results of each individual test, with higher scores indicating better performance.
The Octane Score benchmark test measures the performance of a browser’s JavaScript engine through several tests, each of which focuses on a specific aspect of JavaScript performance. The tests, their scores and their purpose are as follows:
- Richards (14908): This test measures the performance of core language features, such as function calls and recursion.
- Deltablue (47744): This test also measures the performance of core language features, such as inheritance, property access, and function calls.
- Crypto (17375): This test measures the performance of bit and math operations, such as hashing and encryption.
- Raytrace (49653): This test measures the performance of core language features, such as loops, arrays, and objects.
- EarleyBoyer (36536): This test measures the performance of memory and garbage collection, such as object allocation and deallocation.
- Regexp (4898): This test measures the performance of strings and arrays, such as regular expression matching.
- Splay (16060): This test measures the performance of memory and garbage collection, such as object allocation and deallocation.
- SplayLatency (12259): This test measures the latency of garbage collection, or the time it takes for the browser to reclaim unused memory.
- NavierStokes (16408): This test measures the performance of strings and arrays, such as string manipulation and array operations.
- pdf.js (11414): This test measures the performance of strings and arrays, such as string parsing and manipulation.
- Mandreel (23378): This test measures the performance of the virtual machine, such as code execution speed and efficiency.
- MandreelLatency (17492): This test measures the latency of the compiler, or the time it takes for the browser to compile code.
- GB Emulator (30928): This test measures the performance of the virtual machine, such as code execution speed and efficiency.
- CodeLoad (24015): This test measures the performance of loading and parsing, or the time it takes for the browser to load and parse JavaScript code.
- Box2DWeb (31510): This test measures the performance of bit and math operations, such as vector math and matrix operations.
- zlib (46491): This test measures the performance of asm.js, a low-level subset of JavaScript designed for high-performance computations.
- TypeScript (43033): This test measures the performance of the virtual machine and garbage collection, such as code execution speed and memory management efficiency.
In general, higher scores indicate better performance and more efficient JavaScript execution. The Octane Score is a useful tool for comparing the performance of different browsers and determining the best browser for a particular use case.
Chrome Octane Javascript Speed Test Run 2
The Octane JavaScript speed test for Chrome browser on a MacBook Air has an overall score of 19790. The test consists of various subtests that evaluate different aspects of JavaScript performance, such as core language features, bit and math operations, memory and garbage collection, strings and arrays, virtual machine performance, loading and parsing, and asm.js.
The individual test scores are:
- Richards: 16535 (Core language features)
- Deltablue: 52650 (Core language features)
- Crypto: 28944 (Bit & Math operations)
- Raytrace: 54187 (Core language features)
- EarleyBoyer: 37177 (Memory & GC)
- Regexp: 5141 (Strings & arrays)
- Splay: 13633 (Memory & GC)
- SplayLatency: 12297 (GC latency)
- NavierStokes: 21750 (Strings & arrays)
- pdf.js: 8477 (Strings & arrays)
- Mandreel: 11517 (Virtual machine)
- MandreelLatency: 5928 (Compiler latency)
- GB Emulator: 10289 (Virtual machine)
- CodeLoad: 19121 (Loading & Parsing)
- Box2DWeb: 45995 (Bit & Math operations)
- zlib: 55348 (asm.js)
- Typescript: 39721 (Virtual machine & GC)
Chrome Octane Javascript Speed Test Run 3
The overall Octane score for the Chrome browser on Macbook Air is 17494, which represents the average performance of the browser across all the test cases. The score is calculated based on the performance of the browser in each of the individual tests.
The Richards test, which measures core language features, scored 18855. The Deltablue test, which also measures core language features, scored 50190. The Crypto test, which measures bit and math operations, scored 26185. The Raytrace test, which measures core language features, scored 48765.
The EarleyBoyer test, which measures memory and garbage collection, scored 36351. The Regexp test, which measures strings and arrays, scored 4137. The Splay test, which measures memory and garbage collection, scored 2030. The SplayLatency test, which measures garbage collection latency, scored 887.
The NavierStokes test, which measures strings and arrays, scored 23993. The pdf.js test, which measures strings and arrays, scored 9773. The Mandreel test, which measures virtual machine performance, scored 20879. The MandreelLatency test, which measures compiler latency, scored 23627.
The GB Emulator test, which measures virtual machine performance, scored 27566. The CodeLoad test, which measures loading and parsing, scored 18199. The Box2DWeb test, which measures bit and math operations, scored 30393. The zlib test, which measures asm.js performance, scored 55188. The Typescript test, which measures virtual machine and garbage collection performance, scored 42304
Overall performance and summary
In summary, the overall Octane scores for the Chrome browser on Macbook Air in Test 1, Test 2 and Test 3 are 22205, 19790 and 17494 respectively. The performance of the browser in each test varies, with some tests showing improvement from one test to another, while others showed a decrease in performance.
For example, in Test 1, the Deltablue test scored 47744, while in Test 2, the score increased to 52650. In Test 3, the score decreased to 50190. In the Richards test, the score decreased from 14908 in Test 1 to 16535 in Test 2 and 18855 in Test 3. In the Crypto test, the score increased from 17375 in Test 1 to 28944 in Test 2 and 26185 in Test 3.
The performance of the browser in tests measuring core language features, such as function calls, inheritance, and loops, showed improvement in Test 2 compared to Test 1, but decreased in Test 3. The performance in tests measuring bit and math operations, such as vector math and encryption, showed improvement in Test 2 compared to Test 1, but decreased in Test 3.
In conclusion, the performance of the Chrome browser on Macbook Air in the Octane JavaScript speed test is inconsistent, with some tests showing improvement from one test to another, while others showed a decrease in performance. The overall score in Test 2 is higher than Test 1 and Test 3, suggesting that the browser performance was better in Test 2.