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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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| vrurg | "Cannot move to outers or callers with non-traversable context" - what is that??? It's just an innocent nqp::ctx! | 03:05 | |
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| lizmat | m: say (^Inf).race.grep(*.is-prime)[999999] | 12:50 | |
| camelia | 15485863 | ||
| lizmat | m: say (^Inf).race.grep(*.is-prime)[999999] | ||
| camelia | 15485863 | 12:51 | |
| lizmat | m: say (^Inf).race.grep(*.is-prime)[999999] | ||
| camelia | 15485863 | ||
| lizmat | m: say (^Inf).race.grep(*.is-prime)[999999] | ||
| camelia | 15485863 | ||
| lizmat | m: say (^Inf).race.grep(*.is-prime)[999999] | ||
| camelia | 15485863 | ||
| lizmat | FWIW, this either produces the correct result (like here) or segfaults 50% of the time on a M1 | 12:53 | |
| m: say (^Inf).race.grep(*.is-prime).skip(999999).head | 12:54 | ||
| camelia | 15485863 | ||
| lizmat | this crashes almost always for me | ||
| doesn't crash with MVM_SPESH_DISABLE=1 for me, but takes 3x as long | 12:56 | ||
| doesn't crash with MVM_SPESH_INLINE_DISABLE=1 either, and is only 35% slower | 12:59 | ||
| also crashes with MVM_SPESH_OSR_DISABLE=1 | 13:00 | ||
| conclusion: something with inlining | |||
| found some differences in the spesh inline log between runs: | 13:12 | ||
| Can inline cont (16074) with bytecode size 38 into run-one (16121) => True | |||
| Can inline unspecialized cont (16074) with bytecode size 60 into run-one (16121) => True | |||
| Can NOT inline emit (17071) with bytecode size 610 into emit (17085): bytecode is too large to inline => True | |||
| Can NOT inline emit (17071) with bytecode size 616 into emit (17085): bytecode is too large to inline => True | |||
| afk& | 13:14 | ||
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| lizmat | further data points: no such problems in Intel | 16:04 | |
| a lot fewer crashes with .map({ $_ if .is-prime($_)}) | 16:07 | ||
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