Tuesday, 09 May 2017 11:11

Only 36% of Indian engineers can write compilable code: study

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Only 36% of software engineers in India can write compilable code based on measurements by an automated tool that is used across the world, the Indian skills assessment company Aspiring Minds says in a report.

The report is based on a sample of 36,800 from more than 500 colleges across India.

Aspiring Minds said it used the automated tool Automata which is a 60-minute test taken in a compiler integrated environment and rates candidates on programming ability, programming practices, run-time complexity and test case coverage.

It uses advanced artificial intelligence technology to automatically grade programming skills.

"We find that out of the two problems given per candidate, only 14% engineers are able to write compilable codes for both and only 22% write compilable code for exactly one problem," the study said.

Code.

It further found that of the test subjects only 14.67% were employable by an IT services company.

When it came to writing fully functional code using the best practices for efficiency and writing, only 2.21% of the engineers studied made the grade.

"Functionally correct code is the basic requisite of a good programmer. However, to enhance the quality of the code, a few more important indicators have emerged - efficiency, time complexity and space complexity," the study said.

"Nothing is more time-consuming than dealing with badly written code which leads to enormous bugs and exceptions. The analysis unveils that only 2.21% engineers possess the skillset to write logically correct code with best efficiency and least time-space complexity."

The subjects of the study were 61.1% male and 38.9% female. They came from the cities of Delhi, Chennai, Mumbai, Pune, Bengaluru, Hyderabad, and Kolkata.

Automata can predict job suitability of a candidate by evaluating his/her coding ability on the following parameters:

  • Programming ability – evaluates the implementation of the right algorithm using the control-structures, data dependencies and relevance of the solution.
  • Programming practices – evaluates the code for the best practices implemented across industry while developing code which enhances its readability and usability.
  • Runtime complexity – evaluates the runtime complexity by comparing to the runtime complexity of optimised code.
  • Functional correctness – measures the degree of code correctness based on the test-suit coverage by the developed code. The type of test cases evaluated are: basic, advanced and edge.
  • Final score – calculates overall score by weighing the candidate’s performance in each of the four metrics.

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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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