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programming:instruction-timings [2006/12/13 18:58] cyril created |
programming:instruction-timings [2006/12/14 14:34] cyril |
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===== Proceeding ===== | ===== Proceeding ===== | ||
+ | FIXME | ||
===== Summary of results ===== | ===== Summary of results ===== | ||
+ | |||
+ | Depending on machines, floating point operations can be a lot slower than integer operations, or as fast, or even faster. | ||
+ | |||
+ | Multiprocessor configs and multicore processors doesn' | ||
+ | |||
===== All results ===== | ===== All results ===== | ||
+ | All timings are given in nanoseconds (ns). | ||
^ Title ^ Code ^ Cyril_F | ^ Title ^ Code ^ Cyril_F | ||
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|Integer | |Integer | ||
|Shift1 |'' | |Shift1 |'' | ||
- | |Shift2 |'' | + | |Shift2 |'' |
+ | ^ Array indexes | ||
+ | | | | | | | | | | | | ||
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+ | |||
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+ | ===== Configs used ===== | ||
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+ | |||
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+ | ==== Summary ==== | ||
+ | |||
+ | ^ ^ CPU ^ Frequence | ||
+ | ^Cyril_F | ||
+ | ^Cyril_P | ||
+ | ^cJ_F | | | | | | | | | ||
+ | ^cJ_P | Centrino |1.7GHz | ||
+ | ^Infomob |Tri-Xeon | ||
+ | ^Almighty | ||
+ | ^PC104 | ||
+ | |||
+ | |||
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+ | ==== / | ||
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