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103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/*
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TEST_HEADER
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id = $HopeName$
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summary = MVFF from af_six measuring fragmentation
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language = c
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link = testlib.o
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stdin = af_six
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parameters = ALIGN=8 AVGSIZE=128 EXTENDBY=65536 ARENAHIGH SLOTHIGH FIRSTFIT
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OUTPUT_SPEC
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result = pass
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END_HEADER
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*/
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#include "testlib.h"
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#include "mpscmvff.h"
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#include "mpsavm.h"
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#define MAXOBJS (30000)
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mps_addr_t objs[MAXOBJS];
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size_t sizes[MAXOBJS];
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size_t total_size;
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size_t committed;
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int fragmentation;
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double fragacc;
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double commacc;
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double sizeacc;
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double count;
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void *stackpointer;
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mps_arena_t arena;
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static void test(void)
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{
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mps_thr_t thread;
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mps_pool_t pool;
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log_event event;
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int id;
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char *c;
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size_t size;
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unsigned long maxcom;
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maxcom = 0;
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fragacc = 0;
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commacc = 0;
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sizeacc = 0;
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count = 0;
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cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*100)),
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"create space");
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cdie(mps_thread_reg(&thread, arena), "register thread");
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cdie(
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mps_pool_create(&pool, arena, mps_class_mvff(),
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EXTENDBY, AVGSIZE, ALIGN, ARENAHIGH, SLOTHIGH, FIRSTFIT),
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"create MVFF pool");
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committed = mps_arena_committed(arena);
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while (read_event(&event)) {
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if (event.type == EVENT_ALLOC) {
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id = event.alloc.id;
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asserts(id < MAXOBJS, "MAXOBJS too small");
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size = event.alloc.size;
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sizes[id] = size;
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mps_alloc(&objs[id], pool, size);
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total_size+=sizes[id];
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c = objs[id];
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*c = 43;
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} else if (event.type == EVENT_FREE) {
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id = event.free.id;
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mps_free(pool, objs[id], sizes[id]);
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total_size-=sizes[id];
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}
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committed = mps_arena_committed(arena);
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if (committed > maxcom) maxcom=committed;
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fragacc += ((double) (committed-total_size))/((double) committed);
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commacc += (double) committed;
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sizeacc += (double) total_size;
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count += 1;
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}
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report("maxcom", "%ld", maxcom);
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report("fragavg", "%f", fragacc/count);
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report("fragweighted", "%f", (commacc-sizeacc)/commacc);
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report("commavg", "%f", commacc/count);
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report("sizeavg", "%f", sizeacc/count);
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mps_pool_destroy(pool);
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mps_thread_dereg(thread);
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mps_arena_destroy(arena);
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}
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int main(void)
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{
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void *m;
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stackpointer=&m; /* hack to get stack pointer */
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easy_tramp(test);
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pass();
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return 0;
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}
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