tkhattra

9 ms·

61.
by tkhattra 4y ago
sorry, i'm not familiar with Sol. might be worth inquiring on the lua mailing list
62.
by tkhattra 4y ago
i don't think that's true - lua stores sparse arrays efficiently. the table above should only have 2 slots allocated. see [1] or [4] for details on how lua implements sparse arrays. [1] https://cacm.acm.org/magazin
63.
by tkhattra 4y ago
i think Peter Weinberger is still writing code at google...
64.
by tkhattra 4y ago
In the Erlang VM, each Erlang "process" has its own garbage collected heap [1]. There's also an ETS module for more efficiently storing and sharing large amounts of data, but data stored in ETS is not automatically garbage co
65.
by tkhattra 4y ago
see this 1995 Wired interview with ken thompson - https://www.wired.com/1995/08/thompson-4/ .
66.
by tkhattra 4y ago
pcstat and vmtouch (page cache statistics and control) https://github.com/tobert/pcstat https://hoytech.com/vmtouch/
67.
by tkhattra 5y ago
Re: "proving it works", in a previous interview Lamport said that some folks measure simplicity by showing something to people and they say whether or not they understand it, while he measures simplicity by showing something to
68.
by tkhattra 5y ago
c2c stands for cache-2-cache. perf-c2c allows you to measure cacheline contention - see https://man7.org/linux/man-pages/man1/perf-c2c.1.html and https://joemario.github.io/blog/2016&#x2F
69.
by tkhattra 5y ago
TLI/XTI are from AT&T SVR3/SVR4, not Research Unix (V8, V9, V10). dmr's V8 streams were the basis for AT&T SVR3/SVR4 STREAMS (all caps!), but quite a bit simpler: https://en.wikipedia.org/wiki&#x2
70.
by tkhattra 5y ago
just make sure it's not "overly optimized" - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95189 (in this case it was gcc's builtin memcmp that was broken, not glibc's) :)
71.
by tkhattra 5y ago
Hardware and Software Support for Virtualization Synthesis Lectures on Computer Architecture (2017) https://www.morganclaypool.com/doi/abs/10.2200/S00754ED1V01Y... Bringing Virtualization to the x86 Architect
72.
by tkhattra 6y ago
yes, set also. go's map implementation uses this technique - allocate a new array of buckets and gradually migrate from old to new buckets (i think it does the migration during set and delete only, not get ).
73.
by tkhattra 6y ago
I think it was Mike Burrows, but I can't remember where I heard or read that.
74.
by tkhattra 6y ago
The Elements of Networking Style, by Michael Padlipsky - an (extremely!) opinionated critique of the OSI model vs the Arpanet (TCP/IP) model.
75.
Hints and Principles for Computer System Design(bwlampson.site)
6 points by tkhattra 7y ago|0 comments