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Re: Benchmarking U++ [message #7099 is a reply to message #7064]

Wed, 13 December 2006 22:24

mirek
Messages: 14291
Registered: November 2005

Ultimate Member

Update:

I have tried commenting out parts of benchmark to get timings for separate facilities. I get (MSC71, in ms, 4KB input file, 120 map entries):

C++ standard library, std::map:
stream: 1813
string: 530
map: 1657
sort: 0 (std::map is sorted)

U++ Core:
stream: 578
string: 422
map: 640
sort: 360

Now really surprising is the stream difference. I always thought that reimplementing stream library for U++ is the least tenable wheel-reinventing aspect of the platform. Maybe I was wrong...

I think the problem is those stupid "ascii"/"binary" modes of Windows platform, which disallow really effective inlined gets. OTOH, that was one of primary reasons to reinvent the wheel.

Mirek

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		Benchmarking U++ By: mirek on Mon, 11 December 2006 01:00
		Re: Benchmarking U++ By: mirek on Wed, 13 December 2006 22:24

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