Re: multithreaded cache?
On 18.05.2012 20:42, Silvio Bierman wrote:
On 05/17/2012 11:54 AM, Robert Klemme wrote:
I provide a variant of Silvio's, Eric's and Daniel's solution which
should yield higher throughput because it works without read write
locking. You can find it as gist in case the code is garbled in the
newsgroup posting:
https://gist.github.com/2717818
I think you have as many locks as I suggested (being one)? My initial
implementations of something like this used a plain map with an extra
lock but later cases used the by then available ConcurrentHashMap as
well, making one lock redundant.
You didn't show it here, did you? I can's seem to find it in the
thread. Note that CHM does also do synchronization. I am not sure from
your statement what exact locking scheme you apply. There does seem to
be one difference though: I my version the second lock goes away after
the value has been computed so there is only the sync of CHM left.
Kind regards
robert
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