Memory leak in zgetrf or zgetri on Windows

Бакшеев__Дмитрий — Tue, 29 Oct 2019 01:10:01 GMT

Hello,

I suspect I see a memory leak. I attach a reproducer. It does zgetrf + zgetri in a loop, and reports used virtual memory:

MKL_VERBOSE Intel(R) MKL 2019.0 Update 5 Product build 20190808 for Intel(R) 64 architecture Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2) enabled processors, Win 3.50GHz cdecl intel_thread
...

10000 iterations done, mem 140732732502016
20000 iterations done, mem 140732651139072
30000 iterations done, mem 140732568616960
40000 iterations done, mem 140732488978432
50000 iterations done, mem 140732408438784
60000 iterations done, mem 140732328062976
70000 iterations done, mem 140732246294528
80000 iterations done, mem 140732166754304
90000 iterations done, mem 140732085510144
100000 iterations done, mem 140732004859904
110000 iterations done, mem 140731923025920
120000 iterations done, mem 140731842490368
130000 iterations done, mem 140731760979968
140000 iterations done, mem 140731680686080
150000 iterations done, mem 140731600191488
160000 iterations done, mem 140731518746624
170000 iterations done, mem 140731438227456

Thanks
Dima

My first attempt to post

Бакшеев__Дмитрий — Tue, 29 Oct 2019 01:11:39 GMT

My first attempt to post seems to be lost

Hi Dima,

Shane_S_Intel — Fri, 01 Nov 2019 17:58:43 GMT

Hi Dima,

We hope all is going well with you and we're happy to see that you're using Intel MKL. We will definitely look into the issue that you reported and get back to you.

Thank you,

Shane

topic My first attempt to post in Intel® oneAPI Math Kernel Library

Memory leak in zgetrf or zgetri on Windows

My first attempt to post

Hi Dima,