topic Thanks for the response but in Software Archive

Offload memory leak with v17 compiler

David_S_2 — Fri, 03 Mar 2017 04:33:16 GMT

Apologies if this has been covered elsewhere.

I am seeing a small host-side memory leak per offload invocation with the 17.0.1 compiler. Is this a known issue? I haven't managed to track down 17.0.2 update details - maybe its fixed there. The

To see the problem, compile the attached with icc -std=c99 intel_v17.c -o intel_v17 , run on a Phi system with ./intel_v17 2 1000 and monitor the application memory use.

There's a memory allocation

Rajiv_D_Intel — Fri, 03 Mar 2017 16:24:28 GMT

There's a memory allocation using memalign but I don't see a corresponding free on the host.

Thanks for the response but

David_S_2 — Sat, 04 Mar 2017 12:12:21 GMT

Thanks for the response but that is a one-off memory allocation. The issue is the steady memory growth due to the offloads in the infinite loop while (a != 7).

A memory leak has been

Rajiv_D_Intel — Wed, 22 Mar 2017 21:42:17 GMT

A memory leak has been identified in the offload library and a fix has been made.

The 17.0 Update3 compiler scheduled for May'17 will have the fix.