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github.com/moarvm/moarvm | IRC logs at colabti.org/irclogger/irclogger_logs/moarvm Set by AlexDaniel on 12 June 2018. |
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| patrickz | .tell jnthn I'd be grateful for a quick heads up if these findings match your observations. I created a pull request and added you as reviewer. | 00:02 | |
| yoleaux | patrickz: I'll pass your message to jnthn. | ||
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| Geth | MoarVM/more-pea: 10 commits pushed by (Jonathan Worthington)++ review: github.com/MoarVM/MoarVM/compare/4...6a0b127172 |
14:06 | |
| jnthn | rebase :) | ||
| yoleaux | 15 Apr 2019 23:58Z <patrickz> jnthn: I attempted a fix for the runners in the build dir not working. What I found out: They were dependent on CWD and only worked with CWD = build dir. The install path was and still is included as a lib dir in those runners, because they need NQP which is located in the same dir. I changed the include order though, so the files in the build dir are preferred. | ||
| 15 Apr 2019 23:58Z <patrickz> jnthn: I put the changes in github.com/patzim/rakudo/tree/fix-build-runners | |||
| 00:02Z <patrickz> jnthn: I'd be grateful for a quick heads up if these findings match your observations. I created a pull request and added you as reviewer. | |||
| jnthn | ooh, I should check that :) | 14:07 | |
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| Geth | MoarVM/more-pea: ac9fa0655e | (Jonathan Worthington)++ | src/core/interp.c Add interpretation of some new unboxed bigint ops |
14:44 | |
| MoarVM/more-pea: cbe7ff1646 | (Jonathan Worthington)++ | 2 files JIT the new unboxed big integer operations |
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| jnthn | Neat, given the program: | 14:48 | |
| my $x = 64; | 14:49 | ||
| my int $o; | |||
| for ^20_000_000 { | |||
| my int $i = ($x + 1) * 2; | |||
| $o = $o + $i; | |||
| } | |||
| say $o; | |||
| It eliminates the Int allocations for the + and * results | |||
| Meaning that we get rid of all of the allocations | |||
| (Once spesh has run) | |||
| And thus run in under half the time | 14:50 | ||
| Still some work to do on this stuff, but nice to see it can have some benefit :) | 14:51 | ||
| patrickb | ls | 14:53 | |
| ugh ww | |||
| jnthn | Though making this really useful in practical cases will mean making our EA really be PEA :) | 14:54 | |
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| tadzik | nEAt | 15:11 | |
| jnthn | Also, if I translate that into Perl 5 (get rid of int, etc.) then Perl 6 seems to run it 3 times faster; note that the + and the * are big integer upgrading operations (though in this case never need to upgrade, but we still must check...) producing boxed Ints, which is what we now optimize away. | 15:17 | |
| So that's fairly promising | |||
| tadzik | that's really good:) | ||
| Guest2775 | libuv 1.28, github.com/libuv/libuv/blob/v1.x/ChangeLog | 15:18 | |
| jnthn: will your current work be able to improve R#1421 ? | 15:19 | ||
| synopsebot | R#1421 [open]: github.com/rakudo/rakudo/issues/1421 [performance] Sieve of Eratosthenes 42x slower than Perl 5 | ||
| jnthn | Would at least help a bit, yes | 15:29 | |
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| jnthn | Though it may already be faster than when that measurement was done :) | 15:29 | |
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