"If he'd been using, say, Go, he'd probably have had to give up and roll back, or patch the runtime code." Err no, Go has GC yes, but most of that tuning seems

"If he'd been using, say, Go, he'd probably have had to give up and roll back, or patch the runtime code." Err no, Go has GC yes, but most of that tuning seems to be related to JIT/Codepaths etc.