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Jane Street· 23. Dez. 2025Matt Godbolt: Inside Skylake’s Out-of-Order PipelineMatt GodboltA guided tour of instruction decoding, register renaming, execution and memory ordering, grounded in reverse engineering and careful measurements.
52:05ENJane Street· 24. Okt. 2025Corwin de Zahr: Exploring OCaml Runtime Safety Through a CTF ChallengeCorwin de Zahr · Jane StreetA deliberately restricted OCaml sandbox becomes a way to examine type safety, callbacks, memory representation and binary debugging.
3:13ENJane Street· 16. Juli 2025How Jane Street’s Strategy and Product Team Works Across the FirmTeam members describe rotations, cross-functional projects and the skills they use to tackle ambiguous problems.
47:08ENJane Street· 3. Apr. 2025Chris Casinghino on Making OCaml Safe for Performance EngineeringChris Casinghino · Jane StreetJane Street’s OCaml extensions use layouts and modes to offer more control over memory and parallelism while preserving safety and familiar programming patterns.
12:43ENJane Street· 20. Dez. 2024How OCaml Represents Values in MemoryA practical tour of immediate integers, heap blocks, runtime tags and variant constructors, illustrated with OCaml's Obj module.
1:03:21ENJane Street· 9. Dez. 2024Horace He on Building ML Systems for Trillion-Trillion OperationsHorace He · MetaHow GPU bottlenecks, compiler design and distributed parallelism shape the systems behind large-scale model training.
27:16ENJane Street· 15. Nov. 2024Tudor Brindus on Finding and Reducing System JitterTudor Brindus · Jane StreetA memory ping-pong benchmark reveals how virtualization, interrupts, CPU frequency changes and speculation can disrupt low-latency systems.
2:50ENJane Street· 16. Okt. 2024Inside Jane Street’s 2024 Internship ProgramInterns and staff describe an 11-week program built around learning, collaboration and hands-on projects across several disciplines.
9:25ENJane Street· 1. Okt. 2024Richard Eisenberg: Using OCaml’s Coercion OperatorRichard Eisenberg · Jane StreetA practical tour of subtyping, polymorphic variants and private type abbreviations, with no runtime conversion cost.
8:06ENJane Street· 7. Aug. 2024How OCaml's Proposed Include Functor Syntax Reduces RepetitionRichard Eisenberg · Jane StreetA reverse-array example shows how to derive common module functions from a minimal implementation without an extra wrapper module.
3:18ENJane Street· 1. Aug. 2024Rory on Production Engineering and Incident Support at Jane StreetRory · Jane StreetA production engineer describes monitoring order engines, responding to outages and building a supportive team.
3:16ENJane Street· 18. Juli 2024JP on Machine Learning and Trading at Jane StreetJP · Jane StreetA Hong Kong equities trader describes his changing workday, the growth of research infrastructure, and the distinctive challenges of machine learning in finance.
2:46ENJane Street· 18. Juli 2024Matt on Machine Learning and Trading at Jane StreetMatt · Jane StreetA Hong Kong equities trader describes the challenges of financial data, the firm’s ML roles and its collaborative culture.
14:36ENJane Street· 24. Juni 2024Programming with OCaml's Local ModeRichard Eisenberg · Jane StreetAn example shows how a local list can contain global values, why a non-escaping annotation alone does not ensure stack allocation, and where the experimental feature remains awkward.
11:28ENJane Street· 13. Juni 2024OCaml Local Types: Regional Parameters and Loop RegionsRichard Eisenberg · Jane StreetA demonstration explains why some local parameters can cross a function boundary and how loop regions reclaim allocations.
3:11ENJane Street· 31. Mai 2024Alok on Quantitative Research at Jane StreetAlok Puranik · Jane StreetA researcher describes projects, useful mathematical background and how candidates can prepare for interviews.
9:14ENJane Street· 29. Mai 2024OCaml Local Function Types: Why Partial Application Can EscapeRichard Eisenberg · Jane StreetRichard Eisenberg uses a list-append example to show how a local argument changes the mode of a partially applied function in Jane Street’s OCaml compiler branch.
15:59ENJane Street· 7. Mai 2024Tail Calls and Local Regions in OCamlRichard Eisenberg · Jane StreetA list-counting example reveals why a local closure can escape at a tail call, and how regional mode and [@nontail] affect the result.
3:30ENJane Street· 13. März 2024Richard Eisenberg on Jane Street's OCaml ExperimentsRichard Eisenberg · Jane StreetJane Street's compiler team is exploring unboxed types, locality modes, and data-race-free parallelism to make OCaml's performance and memory management better suited to its needs.
11:07ENJane Street· 29. Feb. 2024How OCaml Locals Use a Separate StackRichard Eisenberg · Jane StreetA list example shows how region-scoped local values can avoid repeated garbage-collected allocations.
23:25ENJane Street· 20. Feb. 2024Richard Eisenberg: How OCaml Locals Reduce Garbage-Collected AllocationRichard Eisenberg · Jane StreetAn annotated list-processing example shows why locality must be preserved both when values are created and when functions consume them.
22:27ENJane Street· 7. Feb. 2024How OCaml Infers LocalityRichard Eisenberg · Jane StreetA look at local and global mode inference, module signatures, mode crossing for integers, and conversions between function types.
15:17ENJane Street· 31. Jan. 2024OCaml Locals, Modes, and SubmodingRichard Eisenberg · Jane StreetA worked explanation of how local and global modes control escaping values, and how those modes interact with function types.
12:52ENJane Street· 23. Jan. 2024OCaml Local Variables, Return Values and RegionsRichard Eisenberg · Jane StreetA worked example shows how `local_` and `exclave_` let a function accept a local value and return a local structure in its caller's region.Mehr laden24 von 86 angezeigt