Issue #57: Communication utilization

This instruction group also shows symptoms of: Communication hot-spot.

Statistics for instructions of this issue

Accesses 0.00e+00
Thread Id Accesses
Thread Total 0.00e+00
6341 0.00e+00
6342 0.00e+00
6343 0.00e+00
6344 0.00e+00
6345 0.00e+00
6346 0.00e+00
6347 0.00e+00
6348 0.00e+00
6350 0.00e+00
6351 0.00e+00
6352 0.00e+00
6354 0.00e+00
6355 0.00e+00
6357 0.00e+00
6356 0.00e+00
6358 0.00e+00
6360 0.00e+00
6361 0.00e+00
6362 0.00e+00
6363 0.00e+00
6367 0.00e+00
6368 0.00e+00
Fetch/Miss ratio
Write-back ratio
Utilization
% of misses 0.0%
Thread Id % of misses
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of bandwidth 0.0%
Thread Id % of bandwidth
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of fetches 0.0%
Thread Id % of fetches
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of write-backs 0.0%
Thread Id % of write-backs
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of upgrades 0.0%
Thread Id % of upgrades
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Miss ratio 0.0%
Thread Id Total Miss ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
Fetch ratio 0.0%
Thread Id Total Fetch ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
Write-back ratio 0.0%
Thread Id Total Write-back ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
Upgrade ratio 0.0%
Thread Id Upgrade ratio
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Communication ratio 0.0%
Thread Id Comm. ratio
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Fetch utilization 100.0%
Thread Id Fetch utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
Write-back utilization 100.0%
Thread Id Write-back utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
Communication utilization 12.5%
Thread Id Comm. utilization
Thread Average 12.5%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 12.5%
6350 100.0%
6351 12.5%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
False sharing ratio 0.0%
Thread Id F-S. ratio
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
HW prefetch probability 0.0%
Thread Id HW prefetch probability
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Access randomness Low
Thread Id Access randomness
Thread Average Low
6341 Low
6342 Low
6343 Low
6344 Low
6345 Low
6346 Low
6347 Low
6348 Low
6350 Low
6351 Low
6352 Low
6354 Low
6355 Low
6357 Low
6356 Low
6358 Low
6360 Low
6361 Low
6362 Low
6363 Low
6367 Low
6368 Low
Worst instruction "libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::FetchFromOneSpans(int, void**, void**)+0x41 (0x7f3694d30ce1) [R]

Instructions involved in this issue

Stack Instruction % of misses % of fetches Fetch ratio Fetch utilization W-B Utilization
"libhpx.so.1.0.0"!hpx::threads::coroutines::detail::coroutine_impl::operator()()+0x25d (0x7f3696b8bc9d) [ 13.6% ]
       "libhpx.so.1.0.0"!void hpx::threads::detail::scheduling_loop<hpx::threads::policies::local_priority_queue_scheduler<boost::mutex, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_lifo> >(unsigned long, hpx::threads::policies::local_priority_queue_scheduler<boost::mutex, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_lifo>&, hpx::threads::detail::scheduling_counters&, hpx::threads::detail::scheduling_callbacks&)+0x468 (0x7f3696afeff8) [ 21.3% ]
          "libhpx.so.1.0.0"!hpx::util::apex_wrapper::apex_wrapper(hpx::util::thread_description const&)+0xdf (0x7f3696ae5fff) [ 21.3% ]
             "libhpx.so.1.0.0"!apex::start(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0x27d (0x7f3697d0b96d) [ 21.3% ]
                "octotiger"!operator new(unsigned long)+0x12 (0xce34b2)
                   "libtcmalloc_minimal.so.4.3.0"!
                      "libtcmalloc_minimal.so.4.3.0"!(anonymous namespace)::do_memalign(unsigned long, unsigned long)+0x35c (0x7f3694d28e5c)
                         "libtcmalloc_minimal.so.4.3.0"!tcmalloc::ThreadCache::FetchFromCentralCache(unsigned long, unsigned long)+0x4d (0x7f3694d3584d)
                            "libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::RemoveRange(void**, void**, int)+0x11c (0x7f3694d30c5c)
"libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::FetchFromOneSpans(int, void**, void**)+0x41 (0x7f3694d30ce1) [R] 0.0%
Thread Id % of misses
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
0.0%
Thread Id % of fetches
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
0.0%
Thread Id Total Fetch ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
100.0%
Thread Id Fetch utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
100.0%
Thread Id Write-back utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%

Instructions acting as producers

Stack Instruction
"octotiger"!node_server::collect_hydro_boundaries(bool)+0x532 (0xcfd3a2) [ 35.3% ]
       "libtcmalloc_minimal.so.4.3.0"! [ 63.5% ]
          "libtcmalloc_minimal.so.4.3.0"!tcmalloc::ThreadCache::Scavenge()+0x47 (0x7f3694d35037) [ 63.5% ]
             "libtcmalloc_minimal.so.4.3.0"!tcmalloc::ThreadCache::ReleaseToCentralCache(tcmalloc::ThreadCache::FreeList*, unsigned long, int)+0x1cf (0x7f3694d3525f) [ 92.4% ]
                "libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::InsertRange(void*, void*, int)+0x9d (0x7f3694d306fd)
                   "libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::ReleaseListToSpans(void*)+0x20 (0x7f3694d309b0)
"libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::ReleaseToSpans(void*)+0x8b (0x7f3694d30a5b) [W]

Loop statistics

Accesses 0.00e+00
Thread Id Accesses
Thread Total 0.00e+00
6341 0.00e+00
6342 0.00e+00
6343 0.00e+00
6344 0.00e+00
6345 0.00e+00
6346 0.00e+00
6347 0.00e+00
6348 0.00e+00
6350 0.00e+00
6351 0.00e+00
6352 0.00e+00
6354 0.00e+00
6355 0.00e+00
6357 0.00e+00
6356 0.00e+00
6358 0.00e+00
6360 0.00e+00
6361 0.00e+00
6362 0.00e+00
6363 0.00e+00
6367 0.00e+00
6368 0.00e+00
Fetch/Miss ratio
Write-back ratio
Utilization
% of misses 0.0%
Thread Id % of misses
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of bandwidth 0.0%
Thread Id % of bandwidth
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of fetches 0.0%
Thread Id % of fetches
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of write-backs 0.0%
Thread Id % of write-backs
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
% of upgrades 0.0%
Thread Id % of upgrades
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Miss ratio 0.0%
Thread Id Total Miss ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
Fetch ratio 0.0%
Thread Id Total Fetch ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
Write-back ratio 0.0%
Thread Id Total Write-back ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
Upgrade ratio 0.0%
Thread Id Upgrade ratio
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Communication ratio 0.0%
Thread Id Comm. ratio
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Fetch utilization 100.0%
Thread Id Fetch utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
Write-back utilization 100.0%
Thread Id Write-back utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
Communication utilization 12.5%
Thread Id Comm. utilization
Thread Average 12.5%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 12.5%
6350 100.0%
6351 12.5%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
False sharing ratio 0.0%
Thread Id F-S. ratio
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
HW prefetch probability 0.0%
Thread Id HW prefetch probability
Thread Average 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
Access randomness Low
Thread Id Access randomness
Thread Average Low
6341 Low
6342 Low
6343 Low
6344 Low
6345 Low
6346 Low
6347 Low
6348 Low
6350 Low
6351 Low
6352 Low
6354 Low
6355 Low
6357 Low
6356 Low
6358 Low
6360 Low
6361 Low
6362 Low
6363 Low
6367 Low
6368 Low

Loop instructions

Stack Instruction % of misses % of fetches Fetch ratio Fetch utilization W-B Utilization
"libhpx.so.1.0.0"!hpx::threads::coroutines::detail::coroutine_impl::operator()()+0x25d (0x7f3696b8bc9d) [ 13.6% ]
       "libhpx.so.1.0.0"!void hpx::threads::detail::scheduling_loop<hpx::threads::policies::local_priority_queue_scheduler<boost::mutex, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_lifo> >(unsigned long, hpx::threads::policies::local_priority_queue_scheduler<boost::mutex, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_fifo, hpx::threads::policies::lockfree_lifo>&, hpx::threads::detail::scheduling_counters&, hpx::threads::detail::scheduling_callbacks&)+0x468 (0x7f3696afeff8) [ 21.3% ]
          "libhpx.so.1.0.0"!hpx::util::apex_wrapper::apex_wrapper(hpx::util::thread_description const&)+0xdf (0x7f3696ae5fff) [ 21.3% ]
             "libhpx.so.1.0.0"!apex::start(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0x27d (0x7f3697d0b96d) [ 21.3% ]
                "octotiger"!operator new(unsigned long)+0x12 (0xce34b2)
                   "libtcmalloc_minimal.so.4.3.0"!
                      "libtcmalloc_minimal.so.4.3.0"!(anonymous namespace)::do_memalign(unsigned long, unsigned long)+0x35c (0x7f3694d28e5c)
                         "libtcmalloc_minimal.so.4.3.0"!tcmalloc::ThreadCache::FetchFromCentralCache(unsigned long, unsigned long)+0x4d (0x7f3694d3584d)
                            "libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::RemoveRange(void**, void**, int)+0x11c (0x7f3694d30c5c)
"libtcmalloc_minimal.so.4.3.0"!tcmalloc::CentralFreeList::FetchFromOneSpans(int, void**, void**)+0x41 (0x7f3694d30ce1) [R] 0.0%
Thread Id % of misses
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
0.0%
Thread Id % of fetches
Thread Total 0.0%
6341 0.0%
6342 0.0%
6343 0.0%
6344 0.0%
6345 0.0%
6346 0.0%
6347 0.0%
6348 0.0%
6350 0.0%
6351 0.0%
6352 0.0%
6354 0.0%
6355 0.0%
6357 0.0%
6356 0.0%
6358 0.0%
6360 0.0%
6361 0.0%
6362 0.0%
6363 0.0%
6367 0.0%
6368 0.0%
0.0%
Thread Id Total Fetch ratio Uncategorized Replacement Coherence Flush
Thread Average 0.0% 0.0% 0.0% 0.0% 0.0%
6341 0.0% 0.0% 0.0% 0.0% 0.0%
6342 0.0% 0.0% 0.0% 0.0% 0.0%
6343 0.0% 0.0% 0.0% 0.0% 0.0%
6344 0.0% 0.0% 0.0% 0.0% 0.0%
6345 0.0% 0.0% 0.0% 0.0% 0.0%
6346 0.0% 0.0% 0.0% 0.0% 0.0%
6347 0.0% 0.0% 0.0% 0.0% 0.0%
6348 0.0% 0.0% 0.0% 0.0% 0.0%
6350 0.0% 0.0% 0.0% 0.0% 0.0%
6351 0.0% 0.0% 0.0% 0.0% 0.0%
6352 0.0% 0.0% 0.0% 0.0% 0.0%
6354 0.0% 0.0% 0.0% 0.0% 0.0%
6355 0.0% 0.0% 0.0% 0.0% 0.0%
6357 0.0% 0.0% 0.0% 0.0% 0.0%
6356 0.0% 0.0% 0.0% 0.0% 0.0%
6358 0.0% 0.0% 0.0% 0.0% 0.0%
6360 0.0% 0.0% 0.0% 0.0% 0.0%
6361 0.0% 0.0% 0.0% 0.0% 0.0%
6362 0.0% 0.0% 0.0% 0.0% 0.0%
6363 0.0% 0.0% 0.0% 0.0% 0.0%
6367 0.0% 0.0% 0.0% 0.0% 0.0%
6368 0.0% 0.0% 0.0% 0.0% 0.0%
100.0%
Thread Id Fetch utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%
100.0%
Thread Id Write-back utilization
Thread Average 100.0%
6341 100.0%
6342 100.0%
6343 100.0%
6344 100.0%
6345 100.0%
6346 100.0%
6347 100.0%
6348 100.0%
6350 100.0%
6351 100.0%
6352 100.0%
6354 100.0%
6355 100.0%
6357 100.0%
6356 100.0%
6358 100.0%
6360 100.0%
6361 100.0%
6362 100.0%
6363 100.0%
6367 100.0%
6368 100.0%

Copyright (c) 2006-2012 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.