Changelog v1.7.3

Change log for LCI v1.7.3

Major Changes

• Integrate PAPI into LCI.
  • Use cmake option LCI_USE_PAPI to enable.
  • Use env var LCI_PAPI_EVENTS to specify events to monitor.
• Add pmix support for LCI.
• Update README, doxygen comments, and example codes.

Breaking Changes

• Change uint32_t rank to int rank in sendl/recvl to match other communication operations.

Other Changes

• Add cmake option LCI_IBV_ENABLE_TRY_LOCK_QP.
• Use thread domain when try_lock is enabled.
• Add more performance counters.
• Only print performance counter data when LCI_USE_PERFORMANCE_COUNTERS is enabled.
• Add cmake option LCI_ENABLE_SLOWDOWN and env var LCI_SEND_SLOW_DOWN_USEC and LCI_RECV_SLOW_DOWN_USEC: manually slow down the messages.
• Change the putva rendezvous protocol: first send FIN and then deregister memory.
• Make LCI_PACKET_SIZE configurable at runtime.
• Add some log to help debug the hang (if there is any) in the initialization phase.
• Only do fetch_and_add on g_next_rdma_key when FI_MR_PROV_KEY is not set.
• Use the msg_comp_type as the remote default completion type instead of the hardcoded LCI_COMP_QUEUE.
• Use CSV format for performance counter printing outputs.

Fixed Issues

• Fix LCIU_timespec_diff.
• Fix a few alignment bugs.
• Fix a bug in ibv backend when td is not supported.
• Fix a putva bug: putva send buffers might never get freed.
• Fix LCI_TOUCH_LBUFFER when allocating long buffers.
• Fix compiler non-void function no return error.
• Provides workaround for libfabric/cxi fi_mr_bind bug.
• Fix the handler completion mechanism.