<b>MPK</b> ==10313== 2,464 bytes in 7 blocks are possibly lost in loss record 498 of 503
==10313==    at 0x4C2AD10: calloc (vg_replace_malloc.c:623)
==10313==    by 0x4010F91: allocate_dtv (dl-tls.c:296)
==10313==    by 0x401169D: _dl_allocate_tls (dl-tls.c:460)
==10313==    by 0x7A6EC27: allocate_stack (allocatestack.c:589)
==10313==    by 0x7A6EC27: pthread_create@@GLIBC_2.2.5 (pthread_create.c:495)
==10313==    by 0xB7CEC56: ??? (in /usr/lib/x86_64-linux-gnu/libgomp.so.1.0.0)
==10313==    by 0xB7CA7D9: GOMP_parallel (in /usr/lib/x86_64-linux-gnu/libgomp.so.1.0.0)
==10313==    by 0x674E64A: shogun::linalg::implementation::elementwise_unary_operation&lt;(shogun::linalg::Backend)1, shogun::SGVector&lt;double&gt;, shogun::SGVector&lt;double&gt;, shogun::CExponentialARDKernel::get_weighted_vector(shogun::SGVector&lt;double&gt;)::{lambda(double&amp;)#1}&gt;::compute(shogun::SGVector&lt;double&gt;, shogun::SGVector&lt;double&gt;, {lambda(double&amp;)#1}) (ElementwiseUnaryOperation.h:101)