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GPU Emulator for CUDA programming without the hardware [closed]
...lude/i386-linux-gnu/bits/byteswap.h(47): error: identifier "__builtin_bswap32" is undefined
/usr/include/i386-linux-gnu/bits/byteswap.h(111): error: identifier "__builtin_bswap64" is undefined
/home/user/Downloads/helloworld.cu(12): error: identifier "cudaDeviceSynchronize" is undefined
3 errors ...
Calculate the median of a billion numbers
...i I don't think it would take too long; a billion numbers is only 4 GB for 32-bit ints/floats, 8GB for 64-bit ints/doubles. Neither seems tremendously taxing.
– DrPizza
Aug 3 '15 at 6:01
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Execution time of C program
...3.5 GHz.
– DDPWNAGE
Aug 17 '17 at 0:32
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Count(*) vs Count(1) - SQL Server
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gbngbn
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Using arrays or std::vectors in C++, what's the performance gap?
...rator i;
};
int pointer_index (S & s) { return s.p[3]; }
// movq 32(%rdi), %rax
// movl 12(%rax), %eax
// ret
int vector_index (S & s) { return s.v[3]; }
// movq 8(%rdi), %rax
// movl 12(%rax), %eax
// ret
// Conclusion: Indexing a vector is the same damn thing as ...
How to use background thread in swift?
...t gives error as "QOS_CLASS_BACKGROUND" return class and it is of type UInt32 and "dispatch_get_global_queue" requires 1st parameter as int so type error is coming.
– Zalak Patel
Oct 29 '14 at 12:43
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Printf width specifier to maintain precision of floating-point value
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OneSeventh before = 0.1428571428571428 214571170656199683435261249542236328125
OneSeventh = 0.1428571428571428 49212692681248881854116916656494140625
OneSeventh after = 0.1428571428571428 769682682968777953647077083587646484375
Printing the exact decimal representation of a double has l...
What is the difference between Builder Design pattern and Factory Design pattern?
...s.
– Joel Coehoorn
Jul 19 '13 at 21:32
4
@Joel: I agree that some patterns are more common that o...
Making 'git log' ignore changes for certain paths
... same.
– Anonymoose
Jun 5 '13 at 20:32
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In C#, why is String a reference type that behaves like a value type?
...ocating strings would break all sorts of things: the stack is only 1MB for 32-bit and 4MB for 64-bit, you'd have to box each string, incurring a copy penalty, you couldn't intern strings, and memory usage would balloon, etc...
(Edit: Added clarification about value type storage being an implementat...