Wszystkie pola: lasoń, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Dynamic tiling optimization for Polly compiler
Autorzy:: Adamski, D.
Szydłowski, M.
Jabłoński, G.
Lasoń, J.
Powiązania:: https://bibliotekanauki.pl/articles/397761.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: tiling optimization
compiler optimization
Polly compiler
LLVM
optymalizacja kafelkowa
optymalizacja kompilatora
kompilator Polly
Opis:: This article presents dynamic tiling optimization for Polly compiler. It describes heuristic technique which can be applied to increase efficiency of tiling optimization. Proposed solution is based on open-source tools (LLVM and Polly compiler) and it proves that dynamic tiling optimization can be achieved by extraction code of tiled loop into seperate function. The compiler can generate multiple versions of the optimzed functions. Each of them is optimized by different tile size. The runtime decides during program’s execution which optimized version of the given function is the most appropriate.
Źródło:: International Journal of Microelectronics and Computer Science; 2017, 8, 4; 150-154
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Changes in the chemical composition of groundwater in Quaternary aquifer in Old Krakow, Poland (years 2002-2012)
Autorzy:: Kasprzak, A.
Motyka, J.
Wardas-Lasoń, M.
Powiązania:: https://bibliotekanauki.pl/articles/184824.pdf
Data publikacji:: 2013
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: urban hydrogeology
Kraków
chemical composition
anthropogenic factors
pollution
Opis:: The chemical composition of the Quaternary aquifer in Old Krakow was studied. Thirty water samples were collected from wells in the years 2002, 2009 and 2012. The water chemistry of groundwater in Old Krakow is associated mainly with anthropogenic impact. The water samples represent manly five-ion type: Ca-Na-Cl-HCO3-SO4, Ca-Na-Cl-SO4-HCO3 and Ca-Na-HCO3-SO4-Cl, the multi-ion water type is typical for polluted water. The results of groundwater studies in Krakow between 2002 and 2012 showed that the chemical composition of water is being constantly affected by ancient human activities. The predominance of chloride and nitrate ions can be connected with a large number of the contamination sources. The main sources of contamination are accumulations of the anthropogenic soils and the cultural deposits containing organic, communal waste and sewage which were gathered in the oldest parts of Krakow.
Źródło:: Geology, Geophysics and Environment; 2013, 39, 2; 143-152
2299-8004
2353-0790
Pojawia się w:: Geology, Geophysics and Environment
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Metallurgical Slags as Traces of a 15th century Copper Smelter
Autorzy:: Garbacz-Klempka, A.
Wardas-Lasoń, M.
Kozana, J.
Piękoś, M.
Kwak, Z.
Powiązania:: https://bibliotekanauki.pl/articles/380298.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: environment protection
archaeometallurgy
metallurgy of copper
environment pollution
copper
lead
silver
ochrona środowiska
archeometalurgia
metalurgia miedzi
zanieczyszczenie środowiska
miedź
ołów
srebro
Opis:: The research focuses on assessing the metal content, mainly copper, lead, iron and also silver in metallurgical slag samples from the area where historical metallurgical industry functioned. In the smelter located in Mogiła, near Krakow (southern Poland), whose operation is confirmed in sources from 1469, copper was probably refined as well as silver was separated from copper. Based on the change of chemical and soil phase content and also taking cartographic and historical data into account, considering the restrictions resulting from the modern land use the area was determined whose geochemical mapping can point to the location of the 15th century Jan Thurzo’s smelter in Mogiła near Krakow. Moreover, using the same approach with the samples of this kind here as with hazardous waste, an attempt has been made to assess their impact on the environment. Thereby, taking the geoenvironmental conditions into account, potential impact of the industrial activity has been assessed, which probably left large scale changes in the substratum, manifested in the structure, chemical content and soil phase changes. Discovering areas which are contaminated above the standard value can help to identify historical human activities, and finding the context in artefacts allows to treat geochemical anomalies as a geochronological marker. For this purpose the best are bed sediments, at present buried in the ground, of historical ditches draining the area of the supposed smelter. Correlating their qualities with analogical research of archeologically identified slags and other waste material allows for reconstructing the anthropopressure stages and the evaluation of their effects. The operation of Jan Thurzo’s smelter is significant for the history of mining and metallurgy of Poland and Central and Eastern Europe.
Źródło:: Archives of Foundry Engineering; 2017, 17, 2; 25-30
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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