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python Programming Glossary: cpuWhat determines whether different Python processes are assigned to the same or different cores? http://stackoverflow.com/questions/15639779/what-determines-whether-different-python-processes-are-assigned-to-the-same-or-d Python end of things. I've been trying to parallelise a CPU heavy for loop using joblib but I find that instead of each.. numpy as np def testfunc data # some very boneheaded CPU work for nn in xrange 1000 for ii in data 0 for jj in data.. specific . Update There are also two ways to disable the CPU affinity resetting behaviour of OpenBLAS itself. At run time..
Why is numpy's einsum faster than numpy's built in functions? http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions of dtype np.double . Timings are performed on a intel CPU using numpy 1.7.1 compiled with icc and linked to intel's mkl..
How to get current CPU and RAM usage in Python? http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python to get current CPU and RAM usage in Python What's your preferred way of getting.. preferred way of getting current system status current CPU RAM free disk space etc. in Python Bonus points for nix and.. The psutil library will give you some system information CPU Memory usage on a variety of platforms psutil is a module providing..
python multithreading for dummies http://stackoverflow.com/questions/2846653/python-multithreading-for-dummies operations since CPython doesn't use multiple cores to run CPU bound tasks anyway the only reason for threading is not blocking..
Which is faster in Python: x**.5 or math.sqrt(x)? http://stackoverflow.com/questions/327002/which-is-faster-in-python-x-5-or-math-sqrtx grep 'model name' head 1 model name Intel R Core TM i7 CPU 920 @ 2.67GHz To reproduce results get source git clone git..
Stop reading process output in Python without hang? http://stackoverflow.com/questions/4417962/stop-reading-process-output-in-python-without-hang free 1122780k cached PID USER PR NI VIRT RES SHR S CPU MEM TIME COMMAND 31735 Barakat 20 0 246m 52m 20m S 19.4 2.7..
What is the best real time plotting widget for wxPython? http://stackoverflow.com/questions/457246/what-is-the-best-real-time-plotting-widget-for-wxpython be simpler but somewhat easier to use and consuming less CPU cycles. As wx.lib comes as part of the standard wxPython distribution..
How can I return system information in Python? http://stackoverflow.com/questions/466684/how-can-i-return-system-information-in-python in Python Using Python how can information such as CPU usage memory usage free used etc process count etc be returned..
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script euler048.py And I get this 1007 function calls in 0.061 CPU seconds Ordered by standard name ncalls tottime percall cumtime..
Why is it “Easier to ask forgiveness than permission” in python, but not in Java? [closed] http://stackoverflow.com/questions/6092992/why-is-it-easier-to-ask-forgiveness-than-permission-in-python-but-not-in-java is ever produced as in this example that is just wasted CPU cycles. By contrast an explicit type test using instanceof or..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python readline_test.py 0.03user 2.04system 0 28.06elapsed 7 CPU 0avgtext 0avgdata 2464maxresident k 0inputs 0outputs 0major.. 0.03user 1.64system 0 08.10elapsed 20 CPU 0avgtext 0avgdata 2464maxresident k 0inputs 0outputs 0major.. readline_test_fgets 0.00user 0.93system 0 07.01elapsed 13 CPU 0avgtext 0avgdata 2448maxresident k 0inputs 0outputs 0major..
Dump stacktraces of all active Threads http://stackoverflow.com/questions/1032813/dump-stacktraces-of-all-active-threads Plone app freaks out from time to time consuming 100 of cpu and needs to be restarted. I have a feeling it's a loop which..
Python faster than compiled Haskell? http://stackoverflow.com/questions/10357663/python-faster-than-compiled-haskell time . test.slow . test.slow 9.82s user 0.06s system 99 cpu 9.901 total ~ programming time . test.fast . test.fast 6.99s.. time . test.fast . test.fast 6.99s user 0.05s system 99 cpu 7.064 total ~ programming time . test.bytestring . test.bytestring.. . test.bytestring 4.94s user 0.06s system 99 cpu 5.026 total Just for fun the above results include a version..
Processing single file from multiple processes in python http://stackoverflow.com/questions/11196367/processing-single-file-from-multiple-processes-in-python vs threads and it depends on whether your work is cpu bound or IO bound. Basic multiprocessing.Pool example Here is..
Python: ulimit and nice for subprocess.call / subprocess.Popen? http://stackoverflow.com/questions/1689505/python-ulimit-and-nice-for-subprocess-call-subprocess-popen subprocess.Popen I need to limit the amount of time and cpu taken by external command line apps I spawn from a python process.. sometimes the spawned process gets stuck and pins the cpu at 99 . nice and ulimit seem like reasonable ways to do this.. if it's taking more than 60 seconds Limit it to 20 of cpu I want to apply the resource limiting to the subprocess not..
http://stackoverflow.com/questions/1818774/executing-a-subprocess-fails Debug Exe Gen.out download_only backend B endian little cpu Cortex M3 fpu None p C Program Files CONFIG debugger ST iostm32f10xxb.ddf.. Exe GenerV530b.out download_only backend B endian little cpu Cort3 fpu None p r C Program Files CONFIG debugger ST iostm32f10xxb.ddf..
Why is numpy's einsum faster than numpy's built in functions? http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions 1.7.1 compiled with icc and linked to intel's mkl . A AMD cpu with numpy 1.6.1 compiled with gcc without mkl was also used..
Getting CPU temperature using Python? http://stackoverflow.com/questions/2440511/getting-cpu-temperature-using-python of my CPU using Python Assuming I'm on Linux python cpu temperature share improve this question Py cputemp seems..
What is the fastest way to send 100,000 HTTP requests in Python? http://stackoverflow.com/questions/2632520/what-is-the-fastest-way-to-send-100-000-http-requests-in-python
How to get current CPU and RAM usage in Python? http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python multi platform way of doing the same thing python system cpu status ram share improve this question The psutil library..
convert a string of bytes into an int (python) http://stackoverflow.com/questions/444591/convert-a-string-of-bytes-into-an-int-python less of an issue. It's also probably i o cost rather than cpu so it may depend on the capacity and load characteristics of..
How can I check the data transfer on a network interface in python? http://stackoverflow.com/questions/7731411/how-can-i-check-the-data-transfer-on-a-network-interface-in-python system_mib at interface ifTable ipAddressTable ifXTable ip cpu tcpTable udpTable ipSystemStatsTable ip snmp_mib tcp icmp udp..
How does a threading.Thread yield the rest of its quantum in Python? http://stackoverflow.com/questions/787803/how-does-a-threading-thread-yield-the-rest-of-its-quantum-in-python might have things to do. If so I don't want to burn up cpu checking the hardware every other instruction. It's been a while..
Is Python faster and lighter than C++? [closed] http://stackoverflow.com/questions/801657/is-python-faster-and-lighter-than-c on development cost often outweighs the cost of additional cpu and memory resources. When it doesn't however then C wins. ..
How to spawn parallel child processes on a multi-processor system? http://stackoverflow.com/questions/884650/how-to-spawn-parallel-child-processes-on-a-multi-processor-system 'NYU' if __name__ '__main__' processors multiprocessing.cpu_count for i in range len my_list if i processors cmd python.. shell False if __name__ '__main__' count multiprocessing.cpu_count pool multiprocessing.Pool processes count print pool.map.. will divide 10000 tasks on N processes where N is the cpu count. Note that I'm passing None as the number of processes...
Python Global Interpreter Lock (GIL) workaround on multi-core systems using taskset on Linux? http://stackoverflow.com/questions/990102/python-global-interpreter-lock-gil-workaround-on-multi-core-systems-using-task Linux to set the affinity of the program to a certain core cpu on the system especially in a situation with multiple Python..
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