}
}
if (simgrid::config::get_value<bool>("smpi/display-allocs")) {
- XBT_INFO("Memory Usage: Simulated application allocated %lu bytes during its lifetime through malloc/calloc calls.\n"
- "Largest allocation at once from a single process was %zu bytes, at %s:%d. It was called %u times during the whole simulation.\n"
- "If this is too much, consider sharing allocations for computation buffers.\n"
- "This can be done automatically by setting --cfg=smpi/auto-shared-malloc-thresh to the minimum size wanted size (this can alter execution if data content is necessary)\n",
- total_malloc_size, max_malloc.size, simgrid::xbt::Path(max_malloc.file).get_base_name().c_str(), max_malloc.line, max_malloc.numcall
- );
+ if(total_malloc_size != 0)
+ XBT_INFO("Memory Usage: Simulated application allocated %lu bytes during its lifetime through malloc/calloc calls.\n"
+ "Largest allocation at once from a single process was %zu bytes, at %s:%d. It was called %u times during the whole simulation.\n"
+ "If this is too much, consider sharing allocations for computation buffers.\n"
+ "This can be done automatically by setting --cfg=smpi/auto-shared-malloc-thresh to the minimum size wanted size (this can alter execution if data content is necessary)\n",
+ total_malloc_size, max_malloc.size, simgrid::xbt::Path(max_malloc.file).get_base_name().c_str(), max_malloc.line, max_malloc.numcall
+ );
+ else
+ XBT_INFO("Allocations analysis asked, but 0 bytes were allocated through malloc/calloc calls intercepted by SMPI.\n"
+ "Either code is using other ways of allocatong memory, or it was built with SMPI_NO_OVERRIDE_MALLOC");
if(total_shared_size != 0)
XBT_INFO("%lu bytes were automatically shared between processes, in %u calls\n", total_shared_size, total_shared_calls);
}
