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This package can significantly simplify writing tests for concurrent, asynchronous code
from the top result below
https://go.dev/blog/testing-time
This package can significantly simplify writing tests for concurrent, asynchronous code
https://pkg.go.dev/runtime/debug?tab=doc
Fatalf("can't start monitor: %v", err)
}
// Now return and start the application proper
https://go.dev/blog/playground
Faking time
Playground programs are limited in the amount of CPU time and memory they can use, but they are also restricted in how much real time they can use
https://go.dev/doc/gc-guide
"The heap" can be thought of as a catch-all for memory allocation, for when Go values need to be placed somewhere
https://go.dev/pkg/runtime/pprof
Packages can create and maintain their own profiles; the most common use is for tracking resources that must be explicitly closed, such as files or network connections
https://go.dev/issue/73581
Since small object spans are always 8 KiB large and 8 KiB aligned, once the scanner knows the target of a pointer is in a small object span, it can use simple address arithmetic to find the object’s metadata within the span, thus avoiding indirections and dependent loads that seriously harm performance
https://go.dev/doc/godebug
New features can also have similar impacts: enabling the HTTP/2 use by the HTTP client broke programs connecting to servers with buggy HTTP/2 implementations
https://go.dev/blog/greenteagc
Heap objects are created when the Go compiler can’t figure out how else to allocate memory for a value