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Re: Some vars now limited to fixnum size. (Was: Merging bignum to master
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From: |
Richard Stallman |
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Subject: |
Re: Some vars now limited to fixnum size. (Was: Merging bignum to master) |
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Date: |
Wed, 22 Aug 2018 00:03:05 -0400 |
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> (setq circular (list 1 2))
> (setcdr (last circular) circular)
> (setq n (ash 1 61))
> (nthcdr n bench-circular)
> On my circa-2010 64-bit desktop with Emacs master, the nthcdr call consumes
160
How does it do the job so fast? Does it calculate the length of the
list, then divide?
--
Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)
- Re: Some vars now limited to fixnum size. (Was: Merging bignum to master), (continued)
- Re: Some vars now limited to fixnum size., Tom Tromey, 2018/08/21
- Re: Some vars now limited to fixnum size., Andy Moreton, 2018/08/21
- Re: Some vars now limited to fixnum size., Paul Eggert, 2018/08/21
- Re: Some vars now limited to fixnum size., Tom Tromey, 2018/08/22
- Re: Some vars now limited to fixnum size. (Was: Merging bignum to master), Richard Stallman, 2018/08/20
- Re: Some vars now limited to fixnum size. (Was: Merging bignum to master), Paul Eggert, 2018/08/21
- Re: Some vars now limited to fixnum size. (Was: Merging bignum to master),
Richard Stallman <=
- Re: Some vars now limited to fixnum size. (Was: Merging bignum to master), Paul Eggert, 2018/08/22
- Re: Some vars now limited to fixnum size. (Was: Merging bignum to master), Eli Zaretskii, 2018/08/20
Re: Merging bignum to master, Andy Moreton, 2018/08/13
Re: Merging bignum to master, Andy Moreton, 2018/08/15