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* New sandglass_bench_* macros, remove SANDGLASS_REALTICKS.Tavian Barnes2009-10-232-31/+57
| | | | | | sandglass_bench_fine() replaces SANDGLASS_REALTICKS; use SANDGLASS_CPUTIME instead. Also, sandglass_bench_noprecache() for when the expression to be timed has side-effects and should be executed only once.
* Make `cpuid' do the same thing for every sandglass_get_tsc() call.Tavian Barnes2009-09-212-0/+4
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* Make baseline calculations more accurate for SANDGLASS_REALTICKS.Tavian Barnes2009-09-212-18/+25
| | | | | | Perform the baseline calculation directly in the sandglass_bench() macro, so that the baseline is calculated in the same place (and therefore optimization level, etc.) as the benchmarked code.
* Make SANDGLASS_REALTICKS accurate to 1 clock cycle.Tavian Barnes2009-09-201-2/+12
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* Don't change the `ts' parameter in sandglass_spin.Tavian Barnes2009-09-203-7/+16
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* Add timespec helper routines.Tavian Barnes2009-09-184-31/+124
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* Remove sandglass_timespec_grains().Tavian Barnes2009-09-185-39/+6
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* Generalise handling of negative grain differences.Tavian Barnes2009-09-172-3/+8
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* Improve sandglass_tsc_resolution(), and fix timespec-based grains counts.Tavian Barnes2009-09-175-9/+74
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* Begin libsandglass implementation.Tavian Barnes2009-09-177-10/+368
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* Add test suite.Tavian Barnes2009-09-172-1/+21
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* Add build system.Tavian Barnes2009-09-173-1/+34
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* Add assembly sandglass_get_tsc function.Tavian Barnes2009-09-173-0/+87
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* Initial work on header file.Tavian Barnes2009-09-171-0/+154