HotPath Labs
Engineering the software beneath the software.
Compilers · Toolchains · Firmware · RTOS · Performance Engineering
Built for teams shipping critical systems.
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Toolchains shape performance.
Infrastructure shapes velocity.
Compilers shape possibility.
We work where all three meet.
Selected Expertise
The stack we operate at.
Compiler Technology
GCCLLVMProprietary Compiler Toolchains
Architectures
PowerPCARMRISC-Vx86
Embedded & Systems
FirmwareRTOSEmbedded Linux
Build & Infrastructure
Build SystemsBuild AutomationContinuous IntegrationBuild FarmsRelease Validation
Engineering depth
The details most teams never need to see.The details we work on every day.
The pipeline, compressedsource → binary
Source Code
Abstract Syntax Tree
Static Single Assignment
Optimization Passes
Register Allocation
Assembly
Binary
Interactive
instr [00 / 11]Register allocation, made visible
Drag the playhead — watch values get reused, then spill.
r0
r1
r2
stack
drag to explore
Typical Engagements
Where teams bring us in.
Compiler Optimization
- Investigate compiler regressions
- Improve generated code quality
- Analyze performance bottlenecks
Toolchain Modernization
- Modernize legacy toolchains
- Upgrade aging build environments
- Improve reliability and maintainability
Build System Engineering
- Modernize legacy build systems
- Reduce build times
- Improve developer productivity
Firmware & RTOS
- Performance analysis and debugging
CI Infrastructure
- Automated validation
- Compiler testing
- Release qualification
- Scalable build infrastructure
Open Source Contributions
We actively contribute to and work with foundational compiler technologies.
Architectures
PowerPC • ARM • RISC-V • x86
Led By
Dharmishtha K. Parmar
Compiler Engineer
GCC • LLVM • Embedded Systems
Let’s talk
Bring us the problem closest to the metal.
Whether it’s a compiler regression, a build system bottleneck, a firmware issue, an RTOS scheduling problem, or infrastructure that refuses to scale—we’re interested.