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Welcome to the main channel on the development of MoarVM, a virtual machine for NQP and Rakudo (moarvm.org). This channel is being logged for historical purposes. Set by lizmat on 24 May 2021. |
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| MasterDuke | do we support any systems that don't have 128 bit integers? | 16:09 | |
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| nine | Huh....I didn't know 128 bit integers were a thing | 16:16 | |
| I think at least with msvc you're out of luck | 16:18 | ||
| MasterDuke | hm. i was looking at www.pcg-random.org/using-pcg-c.html and just saw this "The 64-bit scheme is only supported on platforms that support 128-bit integers (e.g., using GCC or Clang as the compiler on a 64-bit system)." | 16:27 | |
| oh, but github.com/imneme/pcg-c#128-bit-math seems to suggest there's a way to get 64-bit output by combining two 32-bit generators | 16:29 | ||
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| MasterDuke | nqp: my int $r; my int $i := 0; my int $s := nqp::time; $r := nqp::rand_i while $i++ < 100_000_000; say(nqp::div_n(nqp::time - $s, 1000000000e0)); say($r) | 21:23 | |
| camelia | 0.518222349 -940366421805941772 |
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| MasterDuke | interesting. locally that's ~0.58s but drops to ~0.48s when i switch in xoshiro256++ instead of tinymt64 | 21:25 | |