rack-mini-profiler

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A tool to profile CPU usage in running Ruby programs without requiring the program to restart.

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A low-overhead profiler and tracer for Ruby applications

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call stack profiler

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Performance profiler

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PostgreSQL client

An asynchronous PostgreSQL client library for Ruby that provides a connection interface with EventMachine support.

grosser/parallel_tests3.4K

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Tool for parallelizing and optimizing tests in Ruby-based applications

kd8bny/limeaide161

RAM profiler

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Memory profiler

A memory profiling tool that gathers allocation and deallocation data along with full stack traces to analyze memory leaks and fragmentation.

codemancers/rbkit357

Profiler

A Ruby profiling tool with a GUI that profiles Ruby processes and sends data to a client for analysis.