Questions tagged [high-speed-computing]

8 questions
47
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fast, large-width, non-cryptographic string hashing in python

I have a need for a high-performance string hashing function in python that produces integers with at least 34 bits of output (64 bits would make sense, but 32 is too few). There are several other questions like this one on Stack Overflow, but of…
eblume
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7 answers

switch to parallel coding

we all writing code for single processor. i wonder when we all are able to write code on multi processors? what do we need (software tools, logic, algorithms) for this switching? edit: in my view, as we do many task parallely, same way we need to…
3
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4 answers

Higher speed options for executing very large (20 GB) .sql file in MySQL

My firm was delivered a 20+ GB .sql file in reponse to a request for data from the gov't. I don't have many options for getting the data in a different format, so I need options for how to import it in a reasonable amount of time. I'm running it on…
3
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1 answer

Local CPU may degrade Remote CPU performance on Packet Receiving

I have a server with 2 Intel Xeon CPU E5-2620 (Sandy Bridge) and a 10Gbps 82599 NIC (2 ports), which I used for high-performance computing. From the PCI affinity, I see that the 10G NIC is connected to CPU1. I launched several packet receiving…
1
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1 answer

What is more costly for a computer to compute (2*2) or (0.02*0.02)?

The title says it. I was wondering if normalization has any effect on computing. Does normalization effect computing?
Sadaf Shafi
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Running a filter at a high speed

I'm writing a signal processing software in CVI. I've got a signal, transmitted to the computer via USB at a very high speed (~50K). I want to filter it in RT. In order to do it I created a filter in Simulink and turned it into a C code, which I run…
0
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How much fast can a microcontroller read from IO pins?

What actually wonder is like the following. I will supply 8 bit data, 1 clock and 1 data valid signal to a microcontroller with 20 Mhz; and then want to send the data over ethernet or USB. I have doubts about this could be done by a microcontroller…
-2
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1 answer

Python high speed memcpy

I'm trying to do a high speed memcpy in Python. I use the ctypes library which allows me to interact with C programms. I follow this steps: I get the memory address I get the length of the data I use the ctypes' functions memmove or…