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David Wilson c6d5aa29ba ansible: new multiplexer/workers configuration ... Following on from 152effc26c9a5918cb7ead7a97fe7fa7f81b6764, * Pin mux to CPU 0 * Pin top-level CPU 1 * Pin workers sequentially to CPU 2..n Nets 19.5% improvement on issue_140__thread_pileup.yml when targetting 64 Docker containers on the same 8 core/16 thread machine. Before (prior to last scheme, no affinity at all): 2294528.731458 task-clock (msec) # 6.443 CPUs utilized 10,429,745 context-switches # 0.005 M/sec 2,049,618 cpu-migrations # 0.893 K/sec 8,258,952 page-faults # 0.004 M/sec 5,532,719,253,824 cycles # 2.411 GHz (83.35%) 3,267,471,616,230 instructions # 0.59 insn per cycle # 1.22 stalled cycles per insn (83.35%) 662,006,455,943 branches # 288.515 M/sec (83.33%) 39,453,895,977 branch-misses # 5.96% of all branches (83.37%) 356.148064576 seconds time elapsed After: 2226463.958975 task-clock (msec) # 7.784 CPUs utilized 9,831,466 context-switches # 0.004 M/sec 180,065 cpu-migrations # 0.081 K/sec 5,082,278 page-faults # 0.002 M/sec 5,592,548,587,259 cycles # 2.512 GHz (83.35%) 3,135,038,855,414 instructions # 0.56 insn per cycle # 1.32 stalled cycles per insn (83.32%) 636,397,509,232 branches # 285.833 M/sec (83.30%) 39,135,441,790 branch-misses # 6.15% of all branches (83.35%) 286.036681644 seconds time elapsed		7 years ago
..
compat/simplejson	issue #477: vendorize the last 2.4-compatible simplejson	7 years ago
plugins	ansible: synchronize module needs '.docker_cmd' attr for Docker plugin.	7 years ago
__init__.py	ansible: restructure to avoid intermediate imports	8 years ago
affinity.py	ansible: new multiplexer/workers configuration	7 years ago
connection.py	issue #499: respect C.BECOME_ALLOW_SAME_USER.	7 years ago
loaders.py	issue #400: rework the monkeypatch.	7 years ago
logging.py	issue #61: unused import (reported by LGTM)	7 years ago
mixins.py	issue #477: target.file_exists() wrapper.	7 years ago
module_finder.py	ansible: fix 3.x dependency scanning on OS X	8 years ago
parsing.py	issue #291: support UNIX hashbang syntax for ansible_*_interpreter.	8 years ago
planner.py	issue #477 / ansible: avoid a race in async job startup.	7 years ago
process.py	ansible: new multiplexer/workers configuration	7 years ago
runner.py	issue #527: catch new-style module tracebacks like vanilla.	7 years ago
services.py	issue #461: Ansible 2.3-compatible _get_candidate_temp_dirs().	7 years ago
strategy.py	ansible: new multiplexer/workers configuration	7 years ago
target.py	issue #477 / ansible: avoid a race in async job startup.	7 years ago
transport_config.py	issue #477: fix sudo_args selection.	7 years ago