Debian testing, AMD Threadripper 2950X, Linux 6.2.0-rc5

C gcc 12.2.0 0.027s  # using `stdbuf -o8192` and fputs_unlocked
D ldc2 1.30.0 / llvm 14.0.6 0.034s  # using stdout.lockingTextWriter.put("....\n"), and `stdbuf -o8192`
D gdc 12.2.0 0.038s  # using stdout.lockingTextWriter.put("....\n"), and `stdbuf -o8192`
go go1.19.6 0.053s  # bufio.NewWriter(os.Stdout).WriteString, default size (4096)
D gdc 12.2.0 0.061s  # using stdout.lockingTextWriter.put("....\n"), still not buffering correctly
C++ gcc 12.2.0 0.065s  # using std::cout, no std::endl, and with stdbuf -o65536
C++ clang 15.0.7 0.077s  # using std::cout, no std::endl, and with standard buffering (4096)
C++ gcc 12.2.0 0.082s  # using std::cout, no std::endl, and with standard buffering (4096)
luajit 2.1.0-beta3 0.148s  # this is not even using optimal buffering yet!
D gdc 12.2.0 0.265s  # not including compilation. using writeln("...")  # this was done on sshfs, but repeat in tmpfs show similar perf.
perl 5.36.0 0.143s  # nice buffering out of the box (8192)
D ldc2 1.30.0 / llvm 14.0.6 0.146s  # not including compilation. using writeln("...")
python3-pypy 7.3.11 0.158s
9base-awk 19990602 (9base 1:6-13) 0.207s
gawk 5.2.1 0.319s
python3 3.11.2 0.589s
ruby 3.1.2p20 0.902s  # calls CLOCK_PROCESS_CPUTIME_ID super frequently (every time it flushes buffers). nice buffering out of the box ~8K and writev
php 8.2.2 6.855s
go go1.19.6 7.309s  # using os.Stdout.WriteString
lua 5.3.6 8.306s
tcl 8.6.13 13.791s
dash 0.5.12-2 17.606s  # while loop
bash 5.2.15 24.230s  # bash-style for loop
bash 5.2.15 34.388s  # while loop
nodejs v18.13.0. 23.377s / 23.072s  # console.log
zsh 5.9 69.172s  # jizus