Add a benchmark of large allocations.
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committed by
David Goldblatt
parent
46471ea327
commit
2c09d43494
39
test/include/test/bench.h
Normal file
39
test/include/test/bench.h
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@@ -0,0 +1,39 @@
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static inline void
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time_func(timedelta_t *timer, uint64_t nwarmup, uint64_t niter,
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void (*func)(void)) {
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uint64_t i;
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for (i = 0; i < nwarmup; i++) {
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func();
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}
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timer_start(timer);
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for (i = 0; i < niter; i++) {
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func();
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}
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timer_stop(timer);
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}
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static inline void
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compare_funcs(uint64_t nwarmup, uint64_t niter, const char *name_a,
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void (*func_a), const char *name_b, void (*func_b)) {
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timedelta_t timer_a, timer_b;
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char ratio_buf[6];
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void *p;
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p = mallocx(1, 0);
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if (p == NULL) {
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test_fail("Unexpected mallocx() failure");
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return;
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}
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time_func(&timer_a, nwarmup, niter, func_a);
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time_func(&timer_b, nwarmup, niter, func_b);
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timer_ratio(&timer_a, &timer_b, ratio_buf, sizeof(ratio_buf));
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malloc_printf("%"FMTu64" iterations, %s=%"FMTu64"us, "
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"%s=%"FMTu64"us, ratio=1:%s\n",
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niter, name_a, timer_usec(&timer_a), name_b, timer_usec(&timer_b),
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ratio_buf);
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dallocx(p, 0);
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}
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