Explore OCaml, MirageOS, and Secure Systems Engineering (3)

Blurry speaker, audience with hands raised, indoors.

Wed, 20 Sep 2023

#mirageos #ocaml #space

A Year of SpaceOS: Showing the World the Benefits of OCaml

I have had the pleasure of attending some great conferences over the past year, where I have presented some of the latest and most exciting OCaml use cases developed at Tarides. With our new SpaceOS solution, Tarides can provide significant quality-of-life upgrades for industries that rely on satell…

Shakthi Kannan

Senior Software Engineer

Fri, 15 Sep 2023

#interview #ocaml

Our Experience at Tarides: Projects From Our Internships in 2023

Internships at Tarides We regularly have the pleasure of hosting internships where we work with engineers from all over the world on a diverse range of projects. By collaborating with people who are relatively new to the OCaml ecosystem, we get to benefit from their perspective. Seeing things with f…

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Dipesh Kafle

Intern Software Engineer

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Shreyas Krishnakumar

Intern Software Engineer

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Adithya Chandraserry

City skyline with tower, buildings, mountain backdrop.

Fri, 08 Sep 2023

#events #functional-programming #ocaml

The State of the Art in Functional Programming: Tarides at ICFP 2023

ICFP 2023 The 28th ACM Sigplan International Conference on Functional Programming is taking place in Seattle as I’m typing. This is the largest international research conference on functional programming, and this year’s event features fascinating keynotes (including one from OCaml’s very own …

Isabella Leandersson

Communications Officer

Glasses on keyboard, computer screen with code.

Thu, 17 Aug 2023

#cybersecurity #memory-safety #ocaml

Your Programming Language and its Impact on the Cybersecurity of Your Application

Did you know that the programming language you use can have a huge impact on the cybersecurity of your applications? In a 2022 meeting of the Cybersecurity Advisory Committee, the Cybersecurity and Infrastructure Security Agency’s Senior Technical Advisor Bob Lord commented that: “About two-thir…

Shakthi Kannan

Senior Software Engineer

Geometric brain with small metallic spheres.

Thu, 10 Aug 2023

#multicore #ocaml

Kcas: Building a Lock-Free STM for OCaml (2/2)

This is the follow-up post continuing the discussion of the development of Kcas. Part 1 discussed the development done on the library to improve performance and add a transaction mechanism that makes it easy to compose atomic operations without really adding more expressive power. In this part we'll…

Vesa Karvonen

Principal Software Engineer

Dark room, hanging lights, silhouetted people.

Mon, 07 Aug 2023

#multicore #ocaml

Kcas: Building a Lock-Free STM for OCaml (1/2)

In the past few months I've had the pleasure of working on the Kcas library. In this and a follow-up post, I will discuss the history and more recent development process of optimising Kcas and turning it into a proper Software Transactional Memory (STM) implementation for OCaml. While this is not me…

Vesa Karvonen

Principal Software Engineer

LEGO figure in blue outfit, red helmet, gray background.

Wed, 02 Aug 2023

#devtools #ocaml

OBuilder on macOS

The CI team at Tarides provides critical infrastucture to support the OCaml community. At the heart of that infrastructure is providing a cluster of machines for running jobs. This blog post details how we improved our support for macOS and moved closer to our goal of supporting all Tier1 OCaml plat…

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Mark Elvers

System Administrator

Satellite over ocean and desert landscape.

Mon, 31 Jul 2023

#mirageos #ocaml #space

OCaml in Space - Welcome SpaceOS!

Our mission is to build sustainable and secure software infrastructure that will not only work for decades but also positively impact the world. This includes our work on essential open-source libraries and tooling in the OCaml space, but also extends to include cutting-edge innovation through Mirag…

Miklos Tomka

Head Consulting Services

Busy market square with people, stalls, buildings.

Thu, 27 Jul 2023

#events #mirageos

Reflections on the MirageOS Retreat in Morocco

Introduction Since we are a hybrid remote and distributed company, everyone at Tarides knows first-hand how important in-person retreats are for collaborating on software development. They give us a chance to focus more deeply on our work, collaborate closely, and learn from one another. We are part…

Antonin Décimo

Senior Software Engineer

Isabella Leandersson

Communications Officer

FB

Fabrice Buoro

Senior Software Engineer

Christiano Haesbaert

Principal Software Engineer

Jules Aguillon

Senior Software Engineer

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Paul-Elliot

Sonja Heinze

Senior Software Engineer

Laptop screen displaying financial graphs.

Wed, 19 Jul 2023

#devtools #ocaml

Sandmark: Boosting Multicore Projects with Performance Benchmarking

Introduction In the realm of software development, continuous improvement is paramount. When it comes to Multicore projects, the need for thorough benchmarking becomes even more critical. This is where Sandmark comes into play. Sandmark, developed for the OCaml programming language, has proven to be…

Shakthi Kannan

Senior Software Engineer

Blurred pink and blue light streaks on black background.

Wed, 12 Jul 2023

#devtools #ocaml

OCaml-CI Renovated

OCaml-CI started with the goal of making a better continuous build system for OCaml projects. When we began in 2019, the goals were clear: it should provide a zero-configuration experience for OCaml projects using opam and Dune, and it should use an incremental architecture to avoid expensive recomp…

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Navin Keswani

Principal Software Engineer

Tim McGilchrist

Principal Software Engineer

People riding camels in desert dunes, clear sky.

Fri, 07 Jul 2023

#functional-programming #multicore #ocaml

Making OCaml 5 Succeed for Developers and Organisations

OCaml recently won the ACM SIGPLAN PL Software Award. The award recognises a software system that has had a significant impact on programming language implementation, research, and tools. It is especially notable that 4 out of the 14 named OCaml compiler developers are affiliated with Tarides: Anil,…

KC Sivaramakrishnan

CTO

Person in blue suit using a laptop, blue background.

Wed, 05 Jul 2023

#cybersecurity #memory-safety #mirageos #ocaml

Zero-Day Attacks: What Are They, and Can a Language Like OCaml Protect You?

Zero-day attacks have been getting increased media attention lately, but what are they? And how can we protect ourselves? Google’s Project Zero tracks zero-day vulnerabilities at major software vendors. In 2021, their tracker noted the detection and disclosure of 58 in-the-wild zero-day exploits, …

Isabella Leandersson

Communications Officer

Group on mountain peak, blue sky, white clouds.

Tue, 20 Jun 2023

#awards #ocaml

OCaml Receives the ACM SIGPLAN Programming Languages Software Award

OCaml has received one of the most prestigious awards in the field of programming languages, and we are very thrilled that four of the award winners are from Tarides. This represents a huge success for the language, the named maintainers, and everyone who has worked on improving OCaml. We want to th…

Thomas Gazagnaire

CEO

Blue cubes with white symbols, arranged in a grid.

Fri, 05 May 2023

#blockchain #irmin

Optimising Archive Node Storage for Tezos

For the past few years, Tarides has been responsible for the storage component of Tezos, from L1 and L2 shells up to the Tezos protocol. In 2022, our main focus was on improving storage performance and UX for running nodes and bakers. Our efforts resulted in significant improvements, including reduc…

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Irmin Team

Large group posing; letters "MDCTN23"; banners.

Fri, 28 Apr 2023

#events #open-source

OCaml at MinidebConf TN 2023

MinidebConf TN 23 was organised by Debian Developers and Villupuram Linux Users Group (VGLUG) as a precursor to DebConf 23 in September at Kochi, India. I had an opportunity to attend and speak at MiniDebConf TN. I presented two sessions, one built on our experiences of introducing a Code of Conduct…

Sudha Parimala

Senior Software Engineer

Man in red jacket near presentation slide.

Wed, 22 Mar 2023

#compiler #events #ocaml

Compiler Hacking in Cambridge is Back!

What’s the best way to spend a Friday evening? We think most people would agree that hacking on OCaml is pretty much at the top of that list (although full disclosure, our sample size for this data could be larger). On Friday the 24th of February, Tarides’s UK office hosted an evening of compile…

Isabella Leandersson

Communications Officer

Crowd holding protest signs, one reads "#MARCH 4WOMEN".

Wed, 08 Mar 2023

#community #events

More Than a Day: How Does Tarides Promote Women in Tech?

The aim of International Women’s Day is to raise awareness of gender inequalities and call for the empowerment of women worldwide. The goal is to forge a gender equal world and advance women’s equality in all forms. Within the field of technology, the focus is on elevating and advancing gender p…

Gemma Gordon

COO

Winding road through a mountainous landscape, aerial view.

Thu, 02 Mar 2023

#multicore #ocaml #open-source

The Journey to OCaml Multicore: Bringing Big Ideas to Life

Continuing our blog series on Multicore OCaml, this blog provides an overview of the road to OCaml Multicore. If you want to know how you can use OCaml 5 in your own projects, please contact us for more information. We also recommend watching KC Sivaramakrishnan's ICFP 22' talk Retrofitting Concurre…

Isabella Leandersson

Communications Officer

Tents and campfire in a forest at night.

Thu, 12 Jan 2023

#events #functional-programming

Lambda Retreat Report

Today we're taking a little pause from our OCaml 5 series to talk about a programming retreat. I spent a week in the woods with fellow programmers at the Lambda Retreat. It was a wonderful way to explore the nature of computations, abrstractions, and paradigms. Although I mostly work in OCaml, it wa…

Sudha Parimala

Senior Software Engineer

Hands typing on a laptop keyboard, blurred cup.

Tue, 10 Jan 2023

#compiler #interview #ocaml

Engineer Spotlight: Sudha Parimala

For our third and final Engineer Spotlight, we interviewed Sudha Parimala, a Tarides engineer who works primarily on the Multicore Applications team. She talks about what lead her to become an OCaml programmer and why she's excited about OCaml 5, as our blog series on Multicore OCaml continues. Chr…

Christine Rose

Technical Writer

Sudha Parimala

Senior Software Engineer

Plants with small pink and white flowers in a field.

Thu, 05 Jan 2023

#interview #irmin #ocaml

Engineer Spotlight: Zach Shipko

Tarides engineer Zach Shipko answers a few questions about why he decided to learn OCaml and why he's particularly excited about the OCaml 5 release. In celebration of OCaml 5, we've interviewed several engineers about their personal experience with the language and what features they enjoy. It's a …

Christine Rose

Technical Writer

Zach Shipko

Senior Software Engineer

Person wearing headphones, using laptop in cafe.

Thu, 29 Dec 2022

#functional-programming #interview #ocaml

Engineer Spotlight: Jules Aguillon

In celebration of the OCaml 5 release, we decided to interview a few of our talented engineers about OCaml. While it isn't a well-known language outside of the functional programming community, we're striving to get the word out about the great benefits of OCaml and why it's worth your time to try i…

Jules Aguillon

Senior Software Engineer

Christine Rose

Technical Writer

Roller coaster, upside-down, "TURBO" sign, blue sky.

Tue, 27 Dec 2022

#eio #functional-programming #memory-safety #ocaml

Love Rust? Then OCaml's New Eio Library is for You

We’ve come to expect a lot from the programming languages we use. We want the memory safety of Java, the performance of C/C++, and the concurrency of Go. On top of this, we need robust cybersecurity tools to protect us from the many risks and vulnerabilities in the world, all in an intuitive and e…

Isabella Leandersson

Communications Officer

Two camels walking in a sandy desert landscape.

Thu, 22 Dec 2022

#compiler #multicore #ocaml

OCaml 5 Multicore Testing Tools

The new version of OCaml 5 is here! It brings the ability to program multicore applications and to maximise our usage of all the CPU cores without a global lock getting in the way of performance. What's most exciting to me though is that we have a whole new way of writing... bugs! And with so much p…

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Arthur Wendling

Principal Software Engineer

Square metal framework with blue sky background.

Wed, 21 Dec 2022

#devtools #ocaml

Advanced Merlin Features: Destruct and Construct

Merlin is one of the most important tools for OCaml users, but a lot of its advanced feature often remain unknown. For OCaml newcomers who might not know, Merlin is the server software that provides intelligence to code editors when working on OCaml documents. It allows one to easily navigate the co…

Ulysse Gérard

Principal Software Engineer

Glowing cube network, circle with symbol, purple background.

Tue, 20 Dec 2022

#blockchain #interview #multicore

How Nomadic Labs Used Multicore Processing to Create a Faster Blockchain

The technology that makes blockchain possible is complex, cutting-edge, and fascinating. Balancing efficiency and security on a knife's edge, it finds perfect harmony between high transaction speeds and safe, predictable results. Blockchain technology is constantly evolving, pushing the boundaries o…

Isabella Leandersson

Communications Officer

Camel adorned with colorful decorations. Desert backdrop.

Mon, 19 Dec 2022

#compiler #ocaml

OCaml 5 With Multicore Support Is Here!

It's here! It's finally here! On Friday, 16 December 2022, the OCaml community announced the official release of Multicore OCaml! From the beginning, Tarides has been deeply involved in OCaml's evolution, so we're very proud to present OCaml 5! Our work with the myriad of academics, industrial devel…

Christine Rose

Technical Writer

A ship with sails near ice; a camel on ice.

Wed, 14 Dec 2022

#devtools #mirageos

Hillingar: MirageOS Unikernels on NixOS

NixOS allows reproducible deployments of systems by managing configuration declaratively. MirageOS is a unikernel creation framework that creates targeted operating systems for high-level applications that can run on a hypervisor. By building MirageOS unikernels with Nix, we can enable reproducible …

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Ryan Gibb

Software Engineer

Wed, 07 Dec 2022

#compiler #ocaml

OCaml 5 Release Candidate Now Available!

We're in the home stretch for the full OCaml 5 release. Multicore is almost here! Yesterday its Release Candidate (RC) was announced on the OCaml Discuss, which is the final step before the major release, expected before Christmas. To learn more about the exciting features coming with OCaml 5, you c…

Christine Rose

Technical Writer

Silhouettes of camels and riders on a blue background.

Tue, 29 Nov 2022

#compiler #ocaml

OCaml 5 Beta2 Release

Just about a month after the OCaml 5 Beta release, the OCaml 5 Beta2 version has been released, taking us one step closer to the full OCaml 5 with Multicore release later this year. The OCaml community's collaboration is coming to fruition! Although we're not quite ready for the RC1 (Release Candida…

Christine Rose

Technical Writer

Advent calendar squares with numbers and decor.

Thu, 24 Nov 2022

#events #ocaml

Solve the 2022 Advent of Code Puzzles with OCaml

Too many programmers only know OCaml through a functional programming language overview course at university. They erroneously believe OCaml is used primarily in academia rather than in the real world. Not only is OCaml already used in several prominent businesses, it can also be used for fun projec…

Christine Rose

Technical Writer

Silhouettes: camels, people; orange sky; sun setting.

Tue, 22 Nov 2022

#business #functional-programming #memory-safety #ocaml

Six Surprising Reasons the OCaml Programming Language is Good for Business

Functional programming languages have been around since the 1950's, when the first high-level languages were used to program early computers. Examples of functional programming languages include OCaml, Erlang, Clojure, Haskell, Scala, and Common Lisp. Choosing the right programming language is criti…

Isabella Leandersson

Communications Officer

Auditorium with text about Open Source India.

Wed, 16 Nov 2022

#events #ocaml #open-source

OCaml 5 at Open Source India 2022

With OCaml 5 just around the corner, it's been a really exciting year to attend conferences all over the world. Just recently, I presented some highlights of the OCaml 5 update, building on KC Sivaramakrishnan's great keynote address at the 19th annual Open Source India 2022 conference. Since Taride…

Shakthi Kannan

Senior Software Engineer

Glass pyramid with colorful lights, red surface.

Tue, 15 Nov 2022

#events #functional-programming #ocaml

Presenting on Algebraic Effects at FP-SYD

At ICFP this year, KC Sivaramakrishnan gave two talks that put OCaml 5 in the spotlight: his keynote, “Retrofitting Concurrency - Lessons from the Engine Room,” and the opening presentation of the OCaml workshop, “OCaml 5.0 - Concurrent and Parallel Programming.” Effect Handlers feature heav…

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Navin Keswani

Principal Software Engineer

A leafy branch in a clear glass jar with water.

Thu, 10 Nov 2022

#blockchain #irmin

Towards Minimal Disk-Usage for Tezos Bakers

Over the last few months, Tarides has focused on designing, prototyping, and integrating a new feature for Tezos bakers: automatic context pruning for rolling and full nodes. This feature will allow bakers to run Tezos with minimal disk usage while continuing to enjoy 12x more responsive operations.…

IT

Irmin Team

Room with arched windows, people inside, plants outside.

Fri, 28 Oct 2022

#events #mirageos

The MirageOS Retreat: A Journey of Food, Cats, and Unikernels

MirageOS is an OCaml ecosystem to construct unikernels, i.e., minimal operating systems. Here, we write about our social and technical experience at the MirageOS retreat in Morocco, as well as the vibe and wonderful organisational details. To sum up the technical part, we worked on different facets …

Jules Aguillon

Senior Software Engineer

SB

Sayo Bamigbade

Intern Software Engineer

Enguerrand Decorne

Senior Software Engineer

Sonja Heinze

Senior Software Engineer

Jan Midtgaard

Principal Software Engineer

Lucas Pluvinage

Senior Software Engineer

Yellow pipes on modern building against blue sky.

Thu, 20 Oct 2022

#devtools #ocaml

Up-to-Date Online Documentation

Into the Fire The OCaml ecosystem relies on various resources and infrastructure such as ocaml.org, OCaml Docker images, opam-repo-ci, that are built and deployed using OCurrent. OCurrent is a library to express workflows and keep things up to date. As many of these projects are created using the sa…

Étienne Marais

Senior Software Engineer

Circular view, road with cars, surrounded by trees.

Wed, 19 Oct 2022

#eio #mirageos #ocaml

Porting Charrua-Unix and Rawlink to Eio

This article describes the porting of the DHCP daemon charrua-unix and its companion library rawlink to Eio for the upcoming OCaml 5 release. Before we get started, it makes sense to briefly describe what DHCP is and how we use it in production. What is DHCP? DHCP stands for Dynamic Host Configurati…

Christiano Haesbaert

Principal Software Engineer

Blue arched tunnel, blurred train, empty platform.

Tue, 18 Oct 2022

#devtools #ocaml

OCaml's Platform Installer Alpha Release

Yesterday we announced the OCaml 5 beta release, and today we're excited to introduce the OCaml Platform Installer! The OCaml Platform is the recommended toolchain when working with OCaml. This new installer enables programmers to quickly set up the OCaml developer environment, so they don't need to…

Christine Rose

Technical Writer

Camel silhouette, mountains, orange sky.

Mon, 17 Oct 2022

#compiler #ocaml

OCaml 5 Beta Release

Back in June, we announced the OCaml 5 alpha release, and today we're excited to announce the first beta release! Now is an excellent time to test it and report positive or negative feedback on your projects (i.e., did it work, did you see impressive performance speed up, did you have issues finding…

Christine Rose

Technical Writer

Four camels walking on a desert landscape.

Fri, 14 Oct 2022

#functional-programming #ocaml #sponsor

Real World OCaml Book Giveaway!

Real World OCaml is a fantastic book on OCaml and functional programming – a great resource for beginners and experienced users alike. At Tarides, we want to support new learners of OCaml as much as we can, making it easier for people to become part of the vibrant community surrounding the languag…

Isabella Leandersson

Communications Officer

Wed, 12 Oct 2022

#functional-programming #ocaml #open-source

8 OCaml Libraries to Make Your Life Easier

OCaml is a statically-typed programming language that emphasizes readability, programmer efficiency, and semantic clarity. This powerful and efficient language has been gaining popularity among developers. The growing adoption of OCaml is because it's fast, type safe, and secure. It can be used in i…

Christine Rose

Technical Writer

Buildings with red roofs, castle on hill, cloudy sky.

Mon, 10 Oct 2022

#events #functional-programming #ocaml

ICFP 2022 Review

After two years of online conferences, it was fantastic to have ICFP 2022 in person. The conference organisers had done a fantastic job adjusting to online conferences, but nothing beats the hallway track for meeting new people and catching up with old friends. This year, Slovenia's capital hosted t…

Tim McGilchrist

Principal Software Engineer

Silhouette of person balancing at sunset.

Fri, 23 Sep 2022

#events #sponsor

Tarides Sponsors High School Hackers

Tarides is excited to sponsor the Paradigm Conference (previously EsoLangConf) high school hackathon. This weekend, students from all over the world will team up to solve tricky programming problems, investigate diverse features of a range of programming languages, and build cool things! At Tarides,…

Gemma Gordon

COO

Hands typing on a laptop keyboard, watch visible.

Tue, 06 Sep 2022

#community #sponsor

Tarides Sponsors Girls Can Code

The tech industry has long struggled with a lack of diversity. This existing imbalance combined with social and educational problems such as early gender bias still tends to prevent lots of people, including women, from entering the field. Girls Can Code aims to help young women learn programming an…

Isabella Leandersson

Communications Officer

Person kayaking on a blue lake with mountains.

Fri, 26 Aug 2022

#events #team

Tarides Goes on Holiday!

Relaxing in today’s world can be difficult. Taking the time you need to cool off, refocus, and explore something new requires a solid amount of time in which you can disconnect from daily habits and find a new beat. At Tarides we address this by providing the framework needed for our employees to …

Isabella Leandersson

Communications Officer

Tue, 02 Aug 2022

#interview #irmin #ocaml

Irmin in the Browser

Introduction Over the past six months, I have been working on using Irmin in the browser, including irmin-server and the GraphQL interface. This has been fun and a great learning journey for me. Before this internship, irmin-server was primarily a Unix-based application. My project was to port irmin…

Odinaka Joy

Intern Software Engineer

Satellite dish with starry sky backdrop.

Tue, 19 Jul 2022

#cybersecurity #iot #mirageos

Tarides is on the Wavestone Radar!

Cybersecurity is a growing concern for individuals and companies alike. At Tarides, security is at the centre of every solution we provide, and this year we have been recognised for our efforts! We’ve been accepted to Cyber@StationF’s acceleration program and are now featured in the 2022 Cyberse…

Isabella Leandersson

Communications Officer

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