[erlang-questions] Some notes on making a random erlang program (egitd) faster

[Alain O'Dea]

No worries at all :)

It is a good observation.



On 2011-02-26, at 10:46, Jay True <glacjay@REDACTED> wrote:

> I'm sorry, what I want to say is that there may be some error in
> Andrew's current version.
> 
> On Sat, Feb 26, 2011 at 9:47 PM, Alain O'Dea <alain.odea@REDACTED> wrote:
>> Hi Jay,
>> 
>> egitd was created by Tom Preston-Werner (@mojombo) for GitHub.  Andrew used
>> it as a project example for performance tuning.
>> 
>> Design considerations aside from performance weren't part of the primary
>> goal of Andrew's experiment.
>> 
>> You should fork Andrew's egitd and experiment with best practices
>> refactoring and write a blog article ;)
>> 
>> Cheers,
>> Alain
>> 
>> 
>> On Sat, Feb 26, 2011 at 2:17 AM, Jay True <glacjay@REDACTED> wrote:
>>> 
>>> Hello Andrew,
>>> 
>>> I'm trying your egitd and found that there are two calling of conf
>>> module's function which should be egitd_conf instead.
>>> 
>>> On Sat, Feb 12, 2011 at 11:21 AM, Andrew Thompson <andrew@REDACTED>
>>> wrote:
>>>> Just for something to do this week, I decided to pick a random erlang
>>>> project that was a failure due to its speed and see if I could make it
>>>> fast enough to compete. I picked egitd (the erlang git daemon that
>>>> github wrote) because it was a fairly public failure. It took me ~4
>>>> hours from first grabbing the code to get its performance very close to
>>>> git-daemon. I also removed ~1500 LOC along the way.
>>>> 
>>>> Here's the in-depth notes on what I did, as a series of blog articles:
>>>> 
>>>> http://andrew.hijacked.us/by_keyword/328/egit
>>>> 
>>>> Hopefully someone will find this useful and/or won't blame the failure
>>>> of egitd on erlang.
>>>> 
>>>> Andrew
>>>> 
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>>>> 
>>> 
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>> 
>>