From: Andreas Beckmann <anbe@debian.org>
Date: Wed, 29 Jul 2020 10:52:56 +0000 (+0100)
Subject: limit safety margin for local memory
X-Git-Tag: archive/raspbian/1.6-3+rpi1~1^2~10
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=1ede16c915f21526febfa4717d47598168507053;p=pocl.git

limit safety margin for local memory

Bug: https://github.com/pocl/pocl/issues/810

avoids out-of-memory on 32-bit platforms with large caches and corecount

Gbp-Pq: Name issue-810.patch
---

diff --git a/lib/CL/devices/pthread/pthread_scheduler.c b/lib/CL/devices/pthread/pthread_scheduler.c
index 1e7ae40..16fc64c 100644
--- a/lib/CL/devices/pthread/pthread_scheduler.c
+++ b/lib/CL/devices/pthread/pthread_scheduler.c
@@ -104,7 +104,7 @@ pthread_scheduler_init (cl_device_id device)
   /* safety margin - aligning pointers later (in kernel arg setup)
    * may require more local memory than actual local mem size.
    * TODO fix this */
-  scheduler.local_mem_size = device->local_mem_size << 4;
+  scheduler.local_mem_size = device->local_mem_size + device->max_parameter_size * MAX_EXTENDED_ALIGNMENT;
 
   for (i = 0; i < num_worker_threads; ++i)
     {