Python get_netdevices Examples

Example #1

File: rss-quadcore.py Project: carriercomm/NBA

#! /usr/bin/env python3
import nba, os
import sys

for netdev in nba.get_netdevices():
    print(netdev)
for coproc in nba.get_coprocessors():
    print(coproc)
node_cpus = nba.get_cpu_node_mapping()
for node_id, cpus in enumerate(node_cpus):
    print('Cores in NUMA node {0}: [{1}]'.format(node_id, ', '.join(map(str, cpus))))

# The values read by the framework are:
# - system_params
# - io_threads
# - comp_threads
# - coproc_threads
# - queues
# - thread_connections

# 64, 64, 192 is optimal parameter for ipv4-router

system_params = {
    'IO_BATCH_SIZE': int(os.environ.get('NBA_IO_BATCH_SIZE', 32)),
    'COMP_BATCH_SIZE': int(os.environ.get('NBA_COMP_BATCH_SIZE', 32)),
    'COPROC_PPDEPTH': int(os.environ.get('NBA_COPROC_PPDEPTH', 32)),
    'COPROC_CTX_PER_COMPTHREAD': 1,
}
print("# logical cores: {0}, # physical cores {1} (hyperthreading {2})".format(
    nba.num_logical_cores, nba.num_physical_cores,
    "enabled" if nba.ht_enabled else "disabled"

Example #2

File: default.py Project: carriercomm/NBA

#! /usr/bin/env python3
# This configuration is for ANY system.

import nba, os
from pprint import pprint

netdevices = nba.get_netdevices()
for netdev in netdevices:
    print(netdev)
coprocessors = nba.get_coprocessors()
for coproc in coprocessors:
    print(coproc)
node_cpus = nba.get_cpu_node_mapping()
for node_id, cpus in enumerate(node_cpus):
    print('Cores in NUMA node {0}: [{1}]'.format(node_id, ', '.join(map(str, cpus))))

# The values read by the framework are:
# - system_params
# - io_threads
# - comp_threads
# - coproc_threads
# - queues
# - thread_connections

system_params = {
    'IO_BATCH_SIZE': int(os.environ.get('NBA_IO_BATCH_SIZE', 32)),
    'COMP_BATCH_SIZE': int(os.environ.get('NBA_COMP_BATCH_SIZE', 64)),
    'COPROC_PPDEPTH': int(os.environ.get('NBA_COPROC_PPDEPTH', 32)),
    'COPROC_CTX_PER_COMPTHREAD': 1,
}
print("IO batch size: {0[IO_BATCH_SIZE]}, computation batch size: {0[COMP_BATCH_SIZE]}".format(system_params))

Example #3

#! /usr/bin/env python3
import nba, os
import sys

for netdev in nba.get_netdevices():
    print(netdev)
for coproc in nba.get_coprocessors():
    print(coproc)
node_cpus = nba.get_cpu_node_mapping()
for node_id, cpus in enumerate(node_cpus):
    print('Cores in NUMA node {0}: [{1}]'.format(node_id, ', '.join(map(str, cpus))))

# The values read by the framework are:
# - system_params
# - io_threads
# - comp_threads
# - coproc_threads
# - queues
# - thread_connections

# 64, 64, 192 is optimal parameter for ipv4-router

system_params = {
    'IO_BATCH_SIZE': int(os.environ.get('NBA_IO_BATCH_SIZE', 64)),
    'COMP_BATCH_SIZE': int(os.environ.get('NBA_COMP_BATCH_SIZE', 64)),
    'COPROC_PPDEPTH': int(os.environ.get('NBA_COPROC_PPDEPTH', 32)),
    'COPROC_CTX_PER_COMPTHREAD': 1,
}
print("# logical cores: {0}, # physical cores {1} (hyperthreading {2})".format(
    nba.num_logical_cores, nba.num_physical_cores,
    "enabled" if nba.ht_enabled else "disabled"

Example #4

#! /usr/bin/env python3
# This configuration is for ANY system.

import nba, os
from pprint import pprint

netdevices = nba.get_netdevices()
for netdev in netdevices:
    print(netdev)
coprocessors = nba.get_coprocessors()
for coproc in coprocessors:
    print(coproc)
node_cpus = nba.get_cpu_node_mapping()
for node_id, cpus in enumerate(node_cpus):
    print('Cores in NUMA node {0}: [{1}]'.format(node_id,
                                                 ', '.join(map(str, cpus))))

# The values read by the framework are:
# - system_params
# - io_threads
# - comp_threads
# - coproc_threads
# - queues
# - thread_connections

system_params = {
    'IO_BATCH_SIZE': int(os.environ.get('NBA_IO_BATCH_SIZE', 32)),
    'COMP_BATCH_SIZE': int(os.environ.get('NBA_COMP_BATCH_SIZE', 64)),
    'COPROC_PPDEPTH': int(os.environ.get('NBA_COPROC_PPDEPTH', 32)),
    'COPROC_CTX_PER_COMPTHREAD': 1,
}