Update jeaiii's itoa() to the latest version #1800
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With some slight modifications to convert it to C (from C++).
My test case, MVM_SPESH_BLOCKING=1 nqp-m -e 'my str $s; my int $i := 0;
my $n := nqp::time; while $i++ < 10_000_000 { $s := $i };
say(nqp::div_n(nqp::time - $n, 1000000000e0)); say($s)' decreased from
~0.30s to ~0.29s and the number of instructions reported by callgrind
(with only 1_000_000 iterations and not tracking the time) decreased
from ~642.2m to ~640.3m.
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With some slight modifications to convert it to C (from C++).
My test case,
MVM_SPESH_BLOCKING=1 nqp-m -e 'my str $s; my int $i := 0; my $n := nqp::time; while $i++ < 10_000_000 { $s := $i }; say(nqp::div_n(nqp::time - $n, 1000000000e0)); say($s)'decreased from ~0.30s to ~0.29s and the number of instructions reported by callgrind (with only 1_000_000 iterations and not tracking the time) decreased from ~642.2m to ~640.3m.