Flux Compared to Other Resource Managers¶
Features |
Flux |
Slurm |
PBSPro (OpenPBS) |
LSF |
MOAB |
RadicalPilot |
Balsam |
Parsl |
Nitro |
|---|---|---|---|---|---|---|---|---|---|
Open Source |
yes |
yes |
yes |
no |
no |
yes |
yes |
yes |
no |
Features |
Flux |
Slurm |
PBSPro (OpenPBS) |
LSF |
MOAB |
RadicalPilot |
Balsam |
Parsl |
Nitro |
|---|---|---|---|---|---|---|---|---|---|
Multi-user workload management |
yes |
yes |
yes |
yes |
yes |
no |
yes |
no |
no |
Full hierarchical resource management |
yes |
no |
no |
no |
no |
n/a |
n/a |
n/a |
n/a |
Graph-based advanced resource management |
yes |
no |
no |
no |
no |
n/a |
n/a |
n/a |
n/a |
Scheduling specialization |
yes |
no |
no |
no |
no |
n/a |
n/a |
n/a |
n/a |
Security: only a small isolated layer running in privileged mode for tighter security |
yes |
no |
no |
no |
no |
n/a |
n/a |
n/a |
n/a |
Modern command-line interface (cli) design |
yes |
outdated |
outdated |
outdated |
outdated |
n/a |
n/a |
n/a |
n/a |
Application programming interface (APIs) for job management, job monitoring, resource monitoring, low-level messaging |
yes (4/4) |
some (3/4) |
some (2/4) |
some (2/4) |
some (3/4) |
n/a |
n/a |
n/a |
n/a |
Language bindings |
yes (C, C++, Python, Lua, Rust, Julia, REST) |
some (C, REST) |
some (C, Python) |
some (C, Python) |
some (C) |
n/a |
n/a |
n/a |
n/a |
Bulk job submission |
yes |
only uniform jobs |
only uniform jobs |
only uniform jobs |
only uniform jobs |
n/a |
n/a |
n/a |
n/a |
High-speed streaming job submission |
yes |
no |
no |
no |
no |
n/a |
n/a |
n/a |
n/a |
Features |
Flux |
Slurm |
PBSPro (OpenPBS) |
LSF |
MOAB |
RadicalPilot |
Balsam |
Parsl |
Nitro |
|---|---|---|---|---|---|---|---|---|---|
User-level workload management intstance |
yes |
no |
no |
no |
no |
yes |
yes |
yes |
yes |
Support for nesting within foreign resource manager |
yes (Slurm, lsf, …) |
n/a |
n/a |
n/a |
n/a |
yes |
yes |
yes |
yes |
Fully hierarchical management of instances |
yes |
n/a |
n/a |
n/a |
n/a |
no (two level) |
no |
no (two level) |
no (two level) |
Scheduler specialization for user level |
yes |
n/a |
n/a |
n/a |
n/a |
yes |
no |
yes (executors) |
no |
Graph-based advanced scheduling for user level |
yes |
n/a |
n/a |
n/a |
n/a |
no |
no |
no |
no |
Built-in facilities for inter-job communication and coordination |
yes |
n/a |
n/a |
n/a |
n/a |
no |
no |
no |
no |
Modern command-line interface (cli) design |
yes |
n/a |
n/a |
n/a |
n/a |
no cli |
yes |
no cli |
outdated |
Application programming interfaces (APIs) for job management, job monitoring, resource monitoring, low-level messaging |
yes (4/4) |
n/a |
n/a |
n/a |
n/a |
yes (4/4) |
some (2/4) |
some (2/4) |
no |
Language bindings |
yes (C, C++, Python, Lua, Rust, Julia, REST) |
n/a |
n/a |
n/a |
n/a |
some (Python) |
some (Python) |
some (Python) |
no |
Bulk job submission |
yes |
n/a |
n/a |
n/a |
n/a |
limited support |
no |
limited support |
only single core jobs |
High-speed streaming job submission |
yes |
n/a |
n/a |
n/a |
n/a |
yes |
no |
yes |
no |
Support to launch message passing interface (MPI) jobs |
yes |
n/a |
n/a |
n/a |
n/a |
yes |
yes |
limited support |
no |
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