Our Blog

Welcome to the Polar Signals blog where we write about profiling, performance, and company culture.

Maximize GPU Efficiency: Visualize, Analyze, and Optimize with Precision

Introducing Continuous GPU Profiling: Get Performance Insights Over Time

April 1, 2025 | Matthias Loibl

System-Wide

Python

GPU

PyTorch

turbopuffer: Consistently High Performance at Scale

Case Study: How turbopuffer leverages Polar Signals for Continuous Profiling

March 26, 2025 | Kanika Sharma

Case Study

Continuous-Profiling

Performance

Rust

Unlocking Efficient Memory Profiling and Faster Debugging

"High tail latency for one of our customers, was diagnosed immediately by seeing a large On-CPU time span"

February 18, 2025 | Kanika Sharma

Case Study

Continuous-Profiling

Performance

Memory Profiling

Rust

Doubling Throughput with Continuous Profiling and Optimization

“68.37% of CPU [...] with a one-line code change [...] went down to 31.82%”

February 11, 2025 | Kanika Sharma

Case Study

Continuous-Profiling

Performance

Rust

AWS

Polar Signals Achieves SOC 2 Type 2 Compliance

Reinforcing our unwavering commitment to robust security

January 14, 2025 | Frederic Branczyk

Security

SOC2

kubezonnet: Monitor Cross-Zone Network Traffic in Kubernetes

How we got our cloud bill under control

January 9, 2025 | Frederic Branczyk

eBPF

Cloud Cost

Networking

Cilium

GKE

Google Cloud

Kubernetes

A Walk with LuaJIT

How we scrape callstack information from the LuaJIT engine for profiling

November 13, 2024 | Tommy Reilly

eBPF

Interpreter

Performance

LuaJIT

Continuous-Profiling

JIT

Custom Profiling Labels for Rust, Go, and C++

Filter and aggregate profiles by whatever dimensions make sense for your application

October 16, 2024 | Brennan Vincent

Correlation

Golang

Rust

Profiling