Which one of the following is fastest:
GNU C++ app in dos
GNU C++ app in windows(console)
MS C++ app(console)
MS C++ app(Windows)
How much faster is it than the slowest?
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Which one of the following is fastest:
GNU C++ app in dos
GNU C++ app in windows(console)
MS C++ app(console)
MS C++ app(Windows)
How much faster is it than the slowest?
Depends on what you're testing. If I could still run DOS I'd do some benchmarks for you, and since GCC 3 is next to impossible to get running under Windows (any GCC people reading this, your Windows support needs a bit of work) it's not really a fair comparison.
The last version of GCC that I've seen available for Windows (Dev-C++, Cygwin, etc.) is 2.96, which is severely lacking behind v3 in terms of optimisation potential, which is being worked on heavily in the current releases.