SkamDart

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

SkamDart

monkeytype list-modules | xargs -n 1 monkeytype apply

SkamDart

Testing

• fixtures
• google test primer

SkamDart

# 
kubectl get cronjobs | awk '{print $1}' | xargs kubectl describe cronjob | grep 'IMAGE_TAG'

# count number of cronjobs with provided IMAGE_TAG
kubectl get cronjobs | awk '{print $1}' | xargs kubectl describe cronjob | grep 'IMAGE_TAG' | wc -l

SkamDart

kubectl get cronjob | grep 'jobprefix' | awk '{print $1}' | xargs kubectl delete cronjob

SkamDart

kk get pods | grep 'job-name-' | awk '{print $1}' | xargs kubectl delete pods

SkamDart

# Copyright 2018 Cameron Dart
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 

SkamDart

# Copyright 2018 Cameron Dart
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 

SkamDart

from modulefinder import ModuleFinder
import sys

def print_dependencies(filename):
    f = ModuleFinder()
    f.run_script(filename)
    names = list(f.modules.keys())
    basemods = sorted(set([name.split(".")[0] for name in names]))
    print("\n".join(basemods))
    

SkamDart

#!/usr/bin/env bash
for i in $(seq 1 10); do (QtSpimbot -randommap -run -exit_when_done -maponly -quiet -f spimbot.s 2>/dev/null >> out.log &); done