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| Started by | vallor <vallor@cultnix.org> |
|---|---|
| First post | 2025-07-21 06:54 +0000 |
| Last post | 2025-07-21 06:45 -0700 |
| Articles | 10 — 5 participants |
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Space/Time tradeoff (was: Re: Video games are a waste of life) vallor <vallor@cultnix.org> - 2025-07-21 06:54 +0000
Re: Space/Time tradeoff "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> - 2025-07-21 02:19 -0500
Re: Space/Time tradeoff vallor <vallor@cultnix.org> - 2025-07-21 07:44 +0000
Re: Space/Time tradeoff "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> - 2025-07-21 02:48 -0500
Re: Space/Time tradeoff Doc Hammerslack <dochammerslack@creon.earth> - 2025-07-21 07:57 +0000
Re: Space/Time tradeoff "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> - 2025-07-21 03:05 -0500
Re: Space/Time tradeoff vallor <vallor@cultnix.org> - 2025-07-21 08:25 +0000
Re: Space/Time tradeoff "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> - 2025-07-21 04:04 -0500
Re: Space/Time tradeoff snipeco.2@gmail.com (Sn!pe) - 2025-07-21 12:12 +0100
Re: Space/Time tradeoff "kaboota@kala.boo" <kaboota@kala.boo> - 2025-07-21 06:45 -0700
| From | vallor <vallor@cultnix.org> |
|---|---|
| Date | 2025-07-21 06:54 +0000 |
| Subject | Space/Time tradeoff (was: Re: Video games are a waste of life) |
| Message-ID | <me66hfFih2jU5@mid.individual.net> |
On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> wrote in <me5j0dFmse5U2@mid.individual.net>: > vallor wrote: >> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >> >>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>> wrote: >>>> "a while ago" being around 1988. >>> >>> Hello. >>> What's new? >>> >>> e >> >> hi >> >> In 8th grade, I wrote a game on the Commodore PET. You would maneuver >> your avatar (an asterisk) through a landscape of constantly-changing >> random blocks appearing and disappearing. >> >> Kind of a funky maze game. Would have been around 1981. >> > Lies. You never did that. You can't even count to 1981. Not only did I write it, I optimized the movement keys by using the numeric keypad numbers as indices for two arrays that held +/-1 values for x and y. Was a lot faster than the "if then" chain I was using previously. (This was in PET BASIC, of course.) Recently I asked ChatGPT about the principle I'd used, and it called it "time for space trade off". Posted about it in comp.theory in passing. Message-ID: <101bvbm$58on$2@dont-email.me> It's pretty obvious that pre-computing values can speed things up. Orthogonally-related, I once made a lookup table for IPv4 unicast addresses whose decimal representation was an md5 hash. -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b (Turns out, back in the days of Usenet yore, certain NSP's didn't salt their posting-host hashes. Used it to figure out who was posting as certain socks in a.u.k.) -- -v System76 Thelio Mega v1.1 x86_64 NVIDIA RTX 3090Ti 24G OS: Linux 6.15.7 D: Mint 22.1 DE: Xfce 4.18 NVIDIA: 575.64.03 Mem: 258G "Peace through superior firepower."
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| From | "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> |
|---|---|
| Date | 2025-07-21 02:19 -0500 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <me67viFq4huU1@mid.individual.net> |
| In reply to | #109736 |
vallor wrote: > On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" > <wichitajayhawks@msn.com> wrote in <me5j0dFmse5U2@mid.individual.net>: > >> vallor wrote: >>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>> >>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>> wrote: >>>>> "a while ago" being around 1988. >>>> >>>> Hello. >>>> What's new? >>>> >>>> e >>> >>> hi >>> >>> In 8th grade, I wrote a game on the Commodore PET. You would maneuver >>> your avatar (an asterisk) through a landscape of constantly-changing >>> random blocks appearing and disappearing. >>> >>> Kind of a funky maze game. Would have been around 1981. >>> >> Lies. You never did that. You can't even count to 1981. > > Not only did I write it, I optimized the movement keys by using the > numeric keypad numbers as indices for two arrays that held +/-1 values > for x and y. > > Was a lot faster than the "if then" chain I was using previously. > > (This was in PET BASIC, of course.) > > Recently I asked ChatGPT about the principle I'd used, and it > called it "time for space trade off". Posted about it in > comp.theory in passing. > > Message-ID: <101bvbm$58on$2@dont-email.me> > > It's pretty obvious that pre-computing values can speed > things up. Orthogonally-related, I once made a lookup > table for IPv4 unicast addresses whose decimal representation > was an md5 hash. > > -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b > > (Turns out, back in the days of Usenet yore, certain NSP's didn't > salt their posting-host hashes. Used it to figure out who was > posting as certain socks in a.u.k.) > Yes and you noticed a fatal flaw on line 262 and decided that you would do it again some day and didn't make a single penny off of it. One of the oldbies here wrote "Bilestoad," and I'm certain you've heard of that. If not, wikipedia.org will quickly bring you up to speed on it. -- Hasbro
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| From | vallor <vallor@cultnix.org> |
|---|---|
| Date | 2025-07-21 07:44 +0000 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <me69e6FptmlU1@mid.individual.net> |
| In reply to | #109737 |
On Mon, 21 Jul 2025 02:19:14 -0500, "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> wrote in <me67viFq4huU1@mid.individual.net>: > vallor wrote: >> On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" >> <wichitajayhawks@msn.com> wrote in <me5j0dFmse5U2@mid.individual.net>: >> >>> vallor wrote: >>>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>>> >>>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>>> wrote: >>>>>> "a while ago" being around 1988. >>>>> >>>>> Hello. >>>>> What's new? >>>>> >>>>> e >>>> >>>> hi >>>> >>>> In 8th grade, I wrote a game on the Commodore PET. You would >>>> maneuver your avatar (an asterisk) through a landscape of >>>> constantly-changing random blocks appearing and disappearing. >>>> >>>> Kind of a funky maze game. Would have been around 1981. >>>> >>> Lies. You never did that. You can't even count to 1981. >> >> Not only did I write it, I optimized the movement keys by using the >> numeric keypad numbers as indices for two arrays that held +/-1 values >> for x and y. >> >> Was a lot faster than the "if then" chain I was using previously. >> >> (This was in PET BASIC, of course.) >> >> Recently I asked ChatGPT about the principle I'd used, and it called it >> "time for space trade off". Posted about it in comp.theory in passing. >> >> Message-ID: <101bvbm$58on$2@dont-email.me> >> >> It's pretty obvious that pre-computing values can speed things up. >> Orthogonally-related, I once made a lookup table for IPv4 unicast >> addresses whose decimal representation was an md5 hash. >> >> -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b >> >> (Turns out, back in the days of Usenet yore, certain NSP's didn't salt >> their posting-host hashes. Used it to figure out who was posting as >> certain socks in a.u.k.) >> > Yes and you noticed a fatal flaw on line 262 and decided that you would > do it again some day and didn't make a single penny off of it. > > One of the oldbies here wrote "Bilestoad," and I'm certain you've heard > of that. If not, wikipedia.org will quickly bring you up to speed on > it. Impressive. Never ran across that one. On the Apple ][, I played Karateka, Bolo, Taxman, and Choplifter to name a few. -- -v System76 Thelio Mega v1.1 x86_64 NVIDIA RTX 3090Ti 24G OS: Linux 6.15.7 D: Mint 22.1 DE: Xfce 4.18 NVIDIA: 575.64.03 Mem: 258G "I have a rock garden. 3 of them died last week."
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| From | "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> |
|---|---|
| Date | 2025-07-21 02:48 -0500 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <me69n8FqdrhU1@mid.individual.net> |
| In reply to | #109738 |
vallor wrote: > On Mon, 21 Jul 2025 02:19:14 -0500, "Lane \"Stonehowler\" Waldby" > <wichitajayhawks@msn.com> wrote in <me67viFq4huU1@mid.individual.net>: > >> vallor wrote: >>> On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" >>> <wichitajayhawks@msn.com> wrote in <me5j0dFmse5U2@mid.individual.net>: >>> >>>> vallor wrote: >>>>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>>>> >>>>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>>>> wrote: >>>>>>> "a while ago" being around 1988. >>>>>> >>>>>> Hello. >>>>>> What's new? >>>>>> >>>>>> e >>>>> >>>>> hi >>>>> >>>>> In 8th grade, I wrote a game on the Commodore PET. You would >>>>> maneuver your avatar (an asterisk) through a landscape of >>>>> constantly-changing random blocks appearing and disappearing. >>>>> >>>>> Kind of a funky maze game. Would have been around 1981. >>>>> >>>> Lies. You never did that. You can't even count to 1981. >>> >>> Not only did I write it, I optimized the movement keys by using the >>> numeric keypad numbers as indices for two arrays that held +/-1 values >>> for x and y. >>> >>> Was a lot faster than the "if then" chain I was using previously. >>> >>> (This was in PET BASIC, of course.) >>> >>> Recently I asked ChatGPT about the principle I'd used, and it called it >>> "time for space trade off". Posted about it in comp.theory in passing. >>> >>> Message-ID: <101bvbm$58on$2@dont-email.me> >>> >>> It's pretty obvious that pre-computing values can speed things up. >>> Orthogonally-related, I once made a lookup table for IPv4 unicast >>> addresses whose decimal representation was an md5 hash. >>> >>> -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b >>> >>> (Turns out, back in the days of Usenet yore, certain NSP's didn't salt >>> their posting-host hashes. Used it to figure out who was posting as >>> certain socks in a.u.k.) >>> >> Yes and you noticed a fatal flaw on line 262 and decided that you would >> do it again some day and didn't make a single penny off of it. >> >> One of the oldbies here wrote "Bilestoad," and I'm certain you've heard >> of that. If not, wikipedia.org will quickly bring you up to speed on >> it. > > Impressive. Never ran across that one. > > On the Apple ][, I played Karateka, Bolo, Taxman, and > Choplifter to name a few. > Yes I've played Karateka and Choplifter. Have you ever rescued all 64 hostages? IIRC my best was 60 hostages rescued. -- Hasbro
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| From | Doc Hammerslack <dochammerslack@creon.earth> |
|---|---|
| Date | 2025-07-21 07:57 +0000 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <TpmfQ.924119$sKi9.332598@fx14.iad> |
| In reply to | #109739 |
NOTICE: The DOCTOR is ON...at Mon, 21 Jul 2025 02:48:56 -0500, Lane \"Stonehowler\" Waldby wrote: > vallor wrote: >> On Mon, 21 Jul 2025 02:19:14 -0500, "Lane \"Stonehowler\" Waldby" >> <wichitajayhawks@msn.com> wrote in <me67viFq4huU1@mid.individual.net>: >> >>> vallor wrote: >>>> On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" >>>> <wichitajayhawks@msn.com> wrote in >>>> <me5j0dFmse5U2@mid.individual.net>: >>>> >>>>> vallor wrote: >>>>>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>>>>> >>>>>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>>>>> wrote: >>>>>>>> "a while ago" being around 1988. >>>>>>> >>>>>>> Hello. >>>>>>> What's new? >>>>>>> >>>>>>> e >>>>>> >>>>>> hi >>>>>> >>>>>> In 8th grade, I wrote a game on the Commodore PET. You would >>>>>> maneuver your avatar (an asterisk) through a landscape of >>>>>> constantly-changing random blocks appearing and disappearing. >>>>>> >>>>>> Kind of a funky maze game. Would have been around 1981. >>>>>> >>>>> Lies. You never did that. You can't even count to 1981. >>>> >>>> Not only did I write it, I optimized the movement keys by using the >>>> numeric keypad numbers as indices for two arrays that held +/-1 >>>> values for x and y. >>>> >>>> Was a lot faster than the "if then" chain I was using previously. >>>> >>>> (This was in PET BASIC, of course.) >>>> >>>> Recently I asked ChatGPT about the principle I'd used, and it called >>>> it "time for space trade off". Posted about it in comp.theory in >>>> passing. >>>> >>>> Message-ID: <101bvbm$58on$2@dont-email.me> >>>> >>>> It's pretty obvious that pre-computing values can speed things up. >>>> Orthogonally-related, I once made a lookup table for IPv4 unicast >>>> addresses whose decimal representation was an md5 hash. >>>> >>>> -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b >>>> >>>> (Turns out, back in the days of Usenet yore, certain NSP's didn't >>>> salt their posting-host hashes. Used it to figure out who was >>>> posting as certain socks in a.u.k.) >>>> >>> Yes and you noticed a fatal flaw on line 262 and decided that you >>> would do it again some day and didn't make a single penny off of it. >>> >>> One of the oldbies here wrote "Bilestoad," and I'm certain you've >>> heard of that. If not, wikipedia.org will quickly bring you up to >>> speed on it. >> >> Impressive. Never ran across that one. >> >> On the Apple ][, I played Karateka, Bolo, Taxman, and Choplifter to >> name a few. >> >> > Yes I've played Karateka and Choplifter. > > Have you ever rescued all 64 hostages? IIRC my best was 60 hostages > rescued. I don't remember if I did or not. Probably not. -- Doc Hammerslack Today is Boomtime, the 56th day of Confusion in the YOLD 3191
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| From | "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> |
|---|---|
| Date | 2025-07-21 03:05 -0500 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <me6amoFqiv4U1@mid.individual.net> |
| In reply to | #109738 |
vallor wrote: > On Mon, 21 Jul 2025 02:19:14 -0500, "Lane \"Stonehowler\" Waldby" > <wichitajayhawks@msn.com> wrote in <me67viFq4huU1@mid.individual.net>: > >> vallor wrote: >>> On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" >>> <wichitajayhawks@msn.com> wrote in <me5j0dFmse5U2@mid.individual.net>: >>> >>>> vallor wrote: >>>>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>>>> >>>>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>>>> wrote: >>>>>>> "a while ago" being around 1988. >>>>>> >>>>>> Hello. >>>>>> What's new? >>>>>> >>>>>> e >>>>> >>>>> hi >>>>> >>>>> In 8th grade, I wrote a game on the Commodore PET. You would >>>>> maneuver your avatar (an asterisk) through a landscape of >>>>> constantly-changing random blocks appearing and disappearing. >>>>> >>>>> Kind of a funky maze game. Would have been around 1981. >>>>> >>>> Lies. You never did that. You can't even count to 1981. >>> >>> Not only did I write it, I optimized the movement keys by using the >>> numeric keypad numbers as indices for two arrays that held +/-1 values >>> for x and y. >>> >>> Was a lot faster than the "if then" chain I was using previously. >>> >>> (This was in PET BASIC, of course.) >>> >>> Recently I asked ChatGPT about the principle I'd used, and it called it >>> "time for space trade off". Posted about it in comp.theory in passing. >>> >>> Message-ID: <101bvbm$58on$2@dont-email.me> >>> >>> It's pretty obvious that pre-computing values can speed things up. >>> Orthogonally-related, I once made a lookup table for IPv4 unicast >>> addresses whose decimal representation was an md5 hash. >>> >>> -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b >>> >>> (Turns out, back in the days of Usenet yore, certain NSP's didn't salt >>> their posting-host hashes. Used it to figure out who was posting as >>> certain socks in a.u.k.) >>> >> Yes and you noticed a fatal flaw on line 262 and decided that you would >> do it again some day and didn't make a single penny off of it. >> >> One of the oldbies here wrote "Bilestoad," and I'm certain you've heard >> of that. If not, wikipedia.org will quickly bring you up to speed on >> it. > > Impressive. Never ran across that one. Meaningless. You're full of shit, Creon. You're a real pussy for lying about it too. -- Hasbro
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| From | vallor <vallor@cultnix.org> |
|---|---|
| Date | 2025-07-21 08:25 +0000 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <me6bs2FptmlU2@mid.individual.net> |
| In reply to | #109741 |
On Mon, 21 Jul 2025 03:05:44 -0500, "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> wrote in <me6amoFqiv4U1@mid.individual.net>: > vallor wrote: >> On Mon, 21 Jul 2025 02:19:14 -0500, "Lane \"Stonehowler\" Waldby" >> <wichitajayhawks@msn.com> wrote in <me67viFq4huU1@mid.individual.net>: >> >>> vallor wrote: >>>> On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" >>>> <wichitajayhawks@msn.com> wrote in >>>> <me5j0dFmse5U2@mid.individual.net>: >>>> >>>>> vallor wrote: >>>>>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>>>>> >>>>>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>>>>> wrote: >>>>>>>> "a while ago" being around 1988. >>>>>>> >>>>>>> Hello. >>>>>>> What's new? >>>>>>> >>>>>>> e >>>>>> >>>>>> hi >>>>>> >>>>>> In 8th grade, I wrote a game on the Commodore PET. You would >>>>>> maneuver your avatar (an asterisk) through a landscape of >>>>>> constantly-changing random blocks appearing and disappearing. >>>>>> >>>>>> Kind of a funky maze game. Would have been around 1981. >>>>>> >>>>> Lies. You never did that. You can't even count to 1981. >>>> >>>> Not only did I write it, I optimized the movement keys by using the >>>> numeric keypad numbers as indices for two arrays that held +/-1 >>>> values for x and y. >>>> >>>> Was a lot faster than the "if then" chain I was using previously. >>>> >>>> (This was in PET BASIC, of course.) >>>> >>>> Recently I asked ChatGPT about the principle I'd used, and it called >>>> it "time for space trade off". Posted about it in comp.theory in >>>> passing. >>>> >>>> Message-ID: <101bvbm$58on$2@dont-email.me> >>>> >>>> It's pretty obvious that pre-computing values can speed things up. >>>> Orthogonally-related, I once made a lookup table for IPv4 unicast >>>> addresses whose decimal representation was an md5 hash. >>>> >>>> -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b >>>> >>>> (Turns out, back in the days of Usenet yore, certain NSP's didn't >>>> salt their posting-host hashes. Used it to figure out who was >>>> posting as certain socks in a.u.k.) >>>> >>> Yes and you noticed a fatal flaw on line 262 and decided that you >>> would do it again some day and didn't make a single penny off of it. >>> >>> One of the oldbies here wrote "Bilestoad," and I'm certain you've >>> heard of that. If not, wikipedia.org will quickly bring you up to >>> speed on it. >> >> Impressive. Never ran across that one. > > Meaningless. You're full of shit, Creon. You're a real pussy for lying > about it too. Vague insults will get you nowhere. I have no reason to lie. You, however, do. -- -v System76 Thelio Mega v1.1 x86_64 NVIDIA RTX 3090Ti 24G OS: Linux 6.15.7 D: Mint 22.1 DE: Xfce 4.18 NVIDIA: 575.64.03 Mem: 258G "If you don't care where you are, then you ain't lost."
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| From | "Lane \"Stonehowler\" Waldby" <wichitajayhawks@msn.com> |
|---|---|
| Date | 2025-07-21 04:04 -0500 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <me6e48Fr4v6U1@mid.individual.net> |
| In reply to | #109742 |
vallor wrote: > On Mon, 21 Jul 2025 03:05:44 -0500, "Lane \"Stonehowler\" Waldby" > <wichitajayhawks@msn.com> wrote in <me6amoFqiv4U1@mid.individual.net>: > >> vallor wrote: >>> On Mon, 21 Jul 2025 02:19:14 -0500, "Lane \"Stonehowler\" Waldby" >>> <wichitajayhawks@msn.com> wrote in <me67viFq4huU1@mid.individual.net>: >>> >>>> vallor wrote: >>>>> On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" >>>>> <wichitajayhawks@msn.com> wrote in >>>>> <me5j0dFmse5U2@mid.individual.net>: >>>>> >>>>>> vallor wrote: >>>>>>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: >>>>>>> >>>>>>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley >>>>>>>> wrote: >>>>>>>>> "a while ago" being around 1988. >>>>>>>> >>>>>>>> Hello. >>>>>>>> What's new? >>>>>>>> >>>>>>>> e >>>>>>> >>>>>>> hi >>>>>>> >>>>>>> In 8th grade, I wrote a game on the Commodore PET. You would >>>>>>> maneuver your avatar (an asterisk) through a landscape of >>>>>>> constantly-changing random blocks appearing and disappearing. >>>>>>> >>>>>>> Kind of a funky maze game. Would have been around 1981. >>>>>>> >>>>>> Lies. You never did that. You can't even count to 1981. >>>>> >>>>> Not only did I write it, I optimized the movement keys by using the >>>>> numeric keypad numbers as indices for two arrays that held +/-1 >>>>> values for x and y. >>>>> >>>>> Was a lot faster than the "if then" chain I was using previously. >>>>> >>>>> (This was in PET BASIC, of course.) >>>>> >>>>> Recently I asked ChatGPT about the principle I'd used, and it called >>>>> it "time for space trade off". Posted about it in comp.theory in >>>>> passing. >>>>> >>>>> Message-ID: <101bvbm$58on$2@dont-email.me> >>>>> >>>>> It's pretty obvious that pre-computing values can speed things up. >>>>> Orthogonally-related, I once made a lookup table for IPv4 unicast >>>>> addresses whose decimal representation was an md5 hash. >>>>> >>>>> -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b >>>>> >>>>> (Turns out, back in the days of Usenet yore, certain NSP's didn't >>>>> salt their posting-host hashes. Used it to figure out who was >>>>> posting as certain socks in a.u.k.) >>>>> >>>> Yes and you noticed a fatal flaw on line 262 and decided that you >>>> would do it again some day and didn't make a single penny off of it. >>>> >>>> One of the oldbies here wrote "Bilestoad," and I'm certain you've >>>> heard of that. If not, wikipedia.org will quickly bring you up to >>>> speed on it. >>> >>> Impressive. Never ran across that one. >> >> Meaningless. You're full of shit, Creon. You're a real pussy for lying >> about it too. > > Vague insults will get you nowhere. I'm getting somewhere... *PLONK* -- Hasbro
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| From | snipeco.2@gmail.com (Sn!pe) |
|---|---|
| Date | 2025-07-21 12:12 +0100 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <1rftlbx.qo0z31dcmnozN%snipeco.2@gmail.com> |
| In reply to | #109738 |
vallor <vallor@cultnix.org> wrote: > "I have a rock garden. 3 of them died last week." Oh no! Say it ain't so !! -- ^Ï^. Sn!pe, PTB, FIBS My pet rock Gordon just is.
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| From | "kaboota@kala.boo" <kaboota@kala.boo> |
|---|---|
| Date | 2025-07-21 06:45 -0700 |
| Subject | Re: Space/Time tradeoff |
| Message-ID | <MPG.42e7e4681b867e9b9896c6@news.eternal-september.org> |
| In reply to | #109737 |
In article <me67viFq4huU1@mid.individual.net>, wichitajayhawks@msn.com says... > > vallor wrote: > > On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" > > <wichitajayhawks@msn.com> wrote in <me5j0dFmse5U2@mid.individual.net>: > > > >> vallor wrote: > >>> On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote: > >>> > >>>> On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley > >>>> wrote: > >>>>> "a while ago" being around 1988. > >>>> > >>>> Hello. > >>>> What's new? > >>>> > >>>> e > >>> > >>> hi > >>> > >>> In 8th grade, I wrote a game on the Commodore PET. You would maneuver > >>> your avatar (an asterisk) through a landscape of constantly-changing > >>> random blocks appearing and disappearing. > >>> > >>> Kind of a funky maze game. Would have been around 1981. > >>> > >> Lies. You never did that. You can't even count to 1981. > > > > Not only did I write it, I optimized the movement keys by using the > > numeric keypad numbers as indices for two arrays that held +/-1 values > > for x and y. > > > > Was a lot faster than the "if then" chain I was using previously. > > > > (This was in PET BASIC, of course.) > > > > Recently I asked ChatGPT about the principle I'd used, and it > > called it "time for space trade off". Posted about it in > > comp.theory in passing. > > > > Message-ID: <101bvbm$58on$2@dont-email.me> > > > > It's pretty obvious that pre-computing values can speed > > things up. Orthogonally-related, I once made a lookup > > table for IPv4 unicast addresses whose decimal representation > > was an md5 hash. > > > > -rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b > > > > (Turns out, back in the days of Usenet yore, certain NSP's didn't > > salt their posting-host hashes. Used it to figure out who was i know
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