On Saturday, 27 June 2020 at 16:03:12 UTC, kinke wrote:
On Saturday, 27 June 2020 at 15:27:34 UTC, Stanislav Blinov wrote:

Hrm... What happens if you call collect() twice?

Nothing changes, even when collecting 5 times at the end of each iteration. In the filed testcase, I've extracted the stack ref to a dedicated function, so that there really shouldn't be any refs on the stack (this is unoptimized code after all...).

Here on Linux, the double collection results in this output:

  GC stats: 0M used, 0M free, 0M total
Starting
  string size: 943M
  GC stats: 0M used, 2306M free, 2306M total
Starting
  string size: 943M
  GC stats: 0M used, 2306M free, 2306M total
Starting
  string size: 943M
  GC stats: 0M used, 2306M free, 2306M total
Starting
  string size: 943M
  GC stats: 0M used, 2306M free, 2306M total

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