On 2018/06/27 12:35 AM, Thorsten Behrens wrote:

Tangential question: anybody aware of something to prevent gdb from
trying to load _all_ symbols? The VS debugger is much more frugal
there initially.


There is low hanging fruit in the main gdb load path. It inits memory with zeros and then overwrites it. (Not immediately either, it zeros tons of RAM and then comes back and overwrites it later, in the most cache-unfriendly manner possible).
Which is a lot of time when it's loading tons of symbols.

But when I reported that to the gdb devs, I was told to recompile gdb with 
another allocator (jemalloc maybe?)
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