Hi Maarten
Once https://github.com/bhauman/lein-figwheel/pull/586 is released, that
should improve your browser load time somewhat, as you won't need to do
empty your cache and do a hard reload.
On Thu, Aug 24, 2017 at 4:27 AM <adrian.med...@mail.yu.edu> wrote:
> Shot in the dark, but dependent namespace compilation may be the source of
> your CLJS compiler slowdowns if you have tons of namespaces. Try seeing
> what happens when you set :recompile-dependents to false in the CLJS
> compiler options.
>
>
> On Wednesday, August 23, 2017 at 11:54:44 AM UTC-4, Maarten Truyens wrote:
>>
>> Hi all,
>>
>> My codebase (mix of CLJ, CLJS and CLJS) is about fifty thousand lines of
>> code, and compilation times are starting to interfere with my workflow
>> happiness. In addition, Chrome Devtools is becoming somewhat sluggish due
>> to the high number of separate namespaces loaded through Figwheel.
>>
>> My current machine is a 6-core Mac Pro 3.5 Ghz Xeon ("late 2013"). For
>> quite a while I have been investigating whether a switch to another machine
>> and/or platform would be interesting from a workflow speed point of view.
>> However, aside from Timothy Pratley's article on the AMD Ryzen 1800x (
>> http://timothypratley.blogspot.in/2017/03/ryzen-is-for-programmers.html),
>> I have trouble finding information that is relevant for us Clojure
>> programmers.
>>
>> I would summarize my research as follows:
>> * single-core performance is most important, so that it is probably the
>> case that a 4-core CPU with a higher single-thread speed is preferable to
>> an 6/8/10-core CPU with a slower single-thread speed;
>> * as from 4 cores, there are hardly any speedups to be expected for
>> having more cores in CLJ or even (parallel) CLJS builds;
>> * the Ryzens are great value, but their single-core performance is
>> usually 10-20% below the top of the line Intels;
>> * according to the many Phoronix benchmarks, Linux and OSX have about the
>> same performance, although there are some interesting deviations for some
>> workflows (even up to 30 - 40%);
>> * the single-core performance difference between my current CPU and the
>> single-core top of the line (i7700K, i7-7800X or i7-7820X) seems to be
>> between 20-40%
>>
>> While a 50% performance increase would be enough to warrant the time
>> investment & cost of switching, my fear is that the real-world speed-up
>> will probably be more like a meager 20%.
>>
>> Ignoring cost considerations and performance outside CLJ development:
>> what CPU and platform would you recommend?
>>
>> Many thanks!
>>
>> Maarten
>>
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