Dear Torbjörn, Paul Zimmermann. I am not familiar with Valgrund. I installed it but it didn't work properly.Make it work properly and verify test_mul.c and test_sqrt.c.My pc cpu is i7 3930k and other configuration are shown in the first email. Also I investigate about malloc/free/sbrk/brk/mmap/munmat.I wonder if it is not a memory leak that to free memory at process end by ubuntu. You checked test cases with valgrind, did you do it with num=200,000,000 or I haven't checked with num=200,000.Does GMP behave differently when num=200,000,000 and 200,000? Is valgrind correct, don't you check with vmstat 5 -SM, does not it make sense to check? I have some doubts but I'm not familiar with unix so I'm not right and GMP has no memory leaks. Thank. youSusumu Tsukamoto.
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