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Commit ae03a851 authored by Rob van Nieuwpoort's avatar Rob van Nieuwpoort
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Bug 1198: correlator refs opgezocht

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...@@ -3240,3 +3240,57 @@ optimized CPU version on an Intel 2.4 GHz Core 2 with a 4 MB L2 cache. ...@@ -3240,3 +3240,57 @@ optimized CPU version on an Intel 2.4 GHz Core 2 with a 4 MB L2 cache.
title = {{Efficient Computation of Sum-products on GPUs Through Software-Managed Cache}}, title = {{Efficient Computation of Sum-products on GPUs Through Software-Managed Cache}},
year = {2008} year = {2008}
} }
@Book{correlator-geophysics,
author = {W.M. Telford and L.P. Geldart and R.E. Sheriff},
OPTeditor = {},
title = {Applied geophysics},
publisher = {Cambridge University Press},
year = {1991},
OPTkey = {},
OPTvolume = {},
OPTnumber = {},
OPTseries = {},
OPTaddress = {},
OPTedition = {},
OPTmonth = {},
OPTnote = {},
OPTannote = {},
note = {second edition, ISBN: 0521326931}
}
@Book{correlator-radar,
author = {J.D. Taylor},
OPTeditor = {},
title = {Introduction to ultra-wideband radar systems},
publisher = {CRC Press},
year = {1995},
OPTkey = {},
OPTvolume = {},
OPTnumber = {},
OPTseries = {},
OPTaddress = {},
OPTedition = {},
OPTmonth = {},
note = {ISBN: 0849344409},
OPTannote = {}
}
@Book{correlator-wireless,
author = {P. Chandra and A. Bensky and R. Olexa and D.M. Dobkin and D.A. Lide and F. Dowla},
OPTeditor = {},
title = {Wireless Networking},
publisher = {Newnes Press},
year = {2007},
OPTkey = {},
OPTvolume = {},
OPTnumber = {},
OPTseries = {},
OPTaddress = {},
OPTedition = {},
OPTmonth = {},
OPTnote = {ISBN: 0750685824},
OPTannote = {}
}
...@@ -14,9 +14,6 @@ ...@@ -14,9 +14,6 @@
% - hoe gaat opencl om met random writes? % - hoe gaat opencl om met random writes?
% RANDOM WRITES ZIJN GEWOON TOEGESTAAN. % RANDOM WRITES ZIJN GEWOON TOEGESTAAN.
% uitzoeken: andere toepassingen van correleren: geofysica? radar? wifi 802.11n, wimax???
% zoek parallelisme: onafhankelijke berekeningen % zoek parallelisme: onafhankelijke berekeningen
% voor de correlator geldt dat de berekiningen onafhankelijk zijn, maar IO niet! % voor de correlator geldt dat de berekiningen onafhankelijk zijn, maar IO niet!
...@@ -111,8 +108,10 @@ correlates the signals from different receivers, and integrates the correlations ...@@ -111,8 +108,10 @@ correlates the signals from different receivers, and integrates the correlations
the amount of data. The correlation is an important problem in radio astronomy, the amount of data. The correlation is an important problem in radio astronomy,
since the data volumes are so large, and the computational demand grows quadratically since the data volumes are so large, and the computational demand grows quadratically
with the number of receivers. with the number of receivers.
Correlators are not limited to the field of astronomy, but are also used for example in geophysics\cite{correlator-geophysics},
radar systems~\cite{correlator-radar}, and wireless networking~\cite{correlator-wireless}.
Traditionally, custom-built hardware is used to correlate the signals. Traditionally, custom-built hardware is used to correlate radio astronomy signals.
A recent development is to use a supercomputer~\cite{Romein:06}. A recent development is to use a supercomputer~\cite{Romein:06}.
Both approaches have important advantages and disadvantages. Both approaches have important advantages and disadvantages.
Custom-built hardware is efficient and consumes modest amounts of power, but is Custom-built hardware is efficient and consumes modest amounts of power, but is
......
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