├── bin - pscom commmand line tools
├── cmake - cmake find module files
├── dist - building rpm packages for pscom
├── doc - documentation
├── include - general includes
├── lib - library implementation including plugins
│ ├── all - includes all pscom sources for "all-in" compile of psmpi
│ ├── pscom - main library components
│ ├── pscom4dapl - DAPL plugin
│ ├── pscom4elan - ELAN plugin
│ ├── pscom4extoll - EXTOLL plugin
│ ├── pscom4gm - GM plugin
│ ├── pscom4mxm - MXM plugin
│ ├── pscom4ofed - OFED plugin
│ ├── pscom4openib - OpenIB plugin
│ ├── pscom4portals - Portals plugin
│ ├── pscom4psm - PSM plugin
│ ├── pscom4ucp - UCP plugin
│ ├── pscom4velo - Velo plugin (Extoll)
│ └── psmalloc - not used
├── scripts - supporting scripts (mostly bash)
└── test - unit testsA module is a set of .h and/or .c files that provides the implementation of a specific feature of the pscom. In the following list, the file names and a short description are provided as an overview. Plugins are not included in this list.
Files located in the folders lib/pscom and include:
| Filename | Description |
|---|---|
getid.c |
Get IP address functions with usage of env PSP_NETWORK |
list.h |
Simple doubly linked list implementation |
pscom.h |
Declaration of pscom API, global installation header |
pscom.c |
Implementation of several functions of the main library API |
pscom_async.{h,c} |
Asynchronous event handling |
pscom_con.{h,c} |
Connection-related operations |
pscom_cuda.{h,c} |
CUDA-awareness features |
pscom_debug.{h,c} |
Debugging features such as dumps |
pscom_dprint.c |
Debug output features such as DPRINT |
pscom_env.{h,c} |
Definition and management of environment variables |
pscom_group.{h,c}, pscom_group_bcast.c |
Collective operations (barrier, bcast, ...) and group handling |
pscom_io.{h,c} |
Input and output operations on network and application side including RMA and rendezvous mechanisms |
pscom_listener.c |
Socket listener management |
pscom_ondemand.c |
On-demand connectivity features |
pscom_plugin.{h,c} |
Plugin interface |
pscom_poll.{h,c} |
Progress engine of pscom based on polling mechanism |
pscom_precon.{h,c} |
Pre-connection features for initial TCP handshake |
pscom_priv.h |
Declarations and functions for internal use inside of pscom |
pscom_queues.{h,c} |
Management of queues (receive, send, pending, etc.) |
pscom_req.{h,c} |
Management of send and receive requests |
pscom_sock.{h,c} |
Communication socket features |
pscom_str_util.{h,c} |
Socket management related to socket name |
pscom_suspend.c |
Suspend and resume features for connections |
pscom_types.h |
Generic type definitions |
pscom_ufd.{h,c} |
File handling (using file descriptors) |
pscom_util.h |
Helper functions (memcpy, strncpy, ...) |
pslib.{h,c} |
Configuration management for pscom using libpslib |
Files which are currently unused by pscom library:
| Filename | Description |
|---|---|
perf.{h,c,sh} |
Tool: Performance data collection on stdout, graphical output with gnuplot |
ps_perf.h |
Get some performance counters (eg. CPU cycles) using time stamp counter |