Software Engineering
Reflection
How Go reflection works under the hood and why it's slow. Deep equal comparison, clearing structs, and the performance costs of runtime type inspection.
January 31, 2026
RPC in Go
Building RPC systems requires three core elements: serialization protocols, network models, and threading models. Go's RPC framework offers cross-language support through custom codecs and abstract interfaces that work with different communication protocols.
January 31, 2026
Runtime
How Go's runtime manages goroutines through the M-P-G scheduler model, including initialization, state transitions, work stealing, and stack management that enables efficient concurrent execution.
January 31, 2026
RWMutex Implementation Explained
A deep dive into Go's RWMutex implementation showing how read and write locks work internally through atomic operations and semaphores. Understand the mechanics behind reader-writer synchronization in Go.
January 31, 2026
Stack and Heap
How Go manages memory allocation through stack and heap segments without protection pages but with runtime checks that trade performance for safety.
January 31, 2026
Strings and I/O: Zero-Allocation Conversions and Buffer Choices
How to convert between strings and byte slices without allocation, and when to use different buffer types in Go. Covers unsafe pointer tricks for zero-copy conversion and the tradeoffs between bufio.Reader, bytes.Buffer, and strings.Builder.
January 31, 2026
sync.Pool Under the Hood
How sync.Pool works internally using per-P memory pools to reduce contention and improve performance through local storage and object sharing between processors.
January 31, 2026
System Performance Troubleshooting Guide
A practical guide to identifying and fixing performance bottlenecks in CPU, memory, and disk I/O. Learn how to use tools like top and flame graphs to find the root causes of system slowdowns.
January 31, 2026
The fmt Package
Starting with fmt.Println from hello world and working inward to understand how Go's printing functions work under the hood.
January 31, 2026
The sync Package
Go's sync package provides essential concurrency primitives including mutexes, one-time initialization, condition variables, and atomic operations. Learn how these work under the hood and when to use each pattern effectively.
January 31, 2026