Proton Calorimetry/Meetings/2021/07/02 - Revision history

SaadShaikh: /* Saad Shaikh */

2021-07-26T13:18:50Z

Saad Shaikh

← Older revision		Revision as of 13:18, 26 July 2021
Line 21:		Line 21:
	*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.		*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.
	*Installed Argon One V2 case on Raspberry Pi.		*Installed Argon One V2 case on Raspberry Pi.
	*FTDI script ~~doesn't max~~ out ~~CPU on Pi or cause temperature to rise significantly – performance~~ issues ~~not~~ due to a lack of power.		*FTDI script uses 30-35% of CPU, probably maxing out 1 processor core. Performance issues likely due to lack of power.
	*Adding "-O3" optimisation flag when compiling FTDI script gives significant performance improvements on both Pi and Mac.		*Adding "-O3" optimisation flag when compiling FTDI script gives significant performance improvements on both Pi and Mac.
	**With 4 modules, Mac now gives average time per read of 172us rather than 188us, with an integration time of 170us.		**With 4 modules, Mac now gives average time per read of 172us rather than 188us, with an integration time of 170us.

SaadShaikh at 15:44, 12 July 2021

2021-07-12T15:44:44Z

← Older revision		Revision as of 15:44, 12 July 2021
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	== Minutes for UCL Proton Calorimetry Meetings, ~~23rd June~~ ==		== Minutes for UCL Proton Calorimetry Meetings, 2nd July ==

	=== Present ===		=== Present ===

SaadShaikh: /* Saad Shaikh */

2021-07-05T10:42:02Z

Saad Shaikh

← Older revision		Revision as of 10:42, 5 July 2021
Line 13:		Line 13:
	*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.		*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.
	**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.		**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.
			**Painted pairs will be stripped of paint again.
	*Will paint 32 sheets for beam test with single coat of primer to be ready for beam tests.		*Will paint 32 sheets for beam test with single coat of primer to be ready for beam tests.
	*New fitting routine using Gauss–Legendre algorithm and Fumili minimiser implemented into photodiode scripts.		*New fitting routine using Gauss–Legendre algorithm and Fumili minimiser implemented into photodiode scripts.

SaadShaikh: /* Saad Shaikh */

2021-07-05T10:32:21Z

Saad Shaikh

SaadShaikh: /* Saad Shaikh */

2021-07-05T10:28:52Z

Saad Shaikh

← Older revision		Revision as of 10:28, 5 July 2021
Line 18:		Line 18:
	**Might require some optimisation of numerical parameters to correct this. Will investigate, but might be that "slow, accurate, non-live" fit use slower Adaptive Singular to draw curves.		**Might require some optimisation of numerical parameters to correct this. Will investigate, but might be that "slow, accurate, non-live" fit use slower Adaptive Singular to draw curves.
	*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.		*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.
	*Installed		*Installed Argon One V2 case on Raspberry Pi.
			*FTDI script doesn't max out CPU on Pi or cause temperature to rise significantly – performance issues not due to a lack of power.
			*Adding "-O3" optimisation flag when compiling FTDI script gives significant performance improvements on both Pi and Mac.
			**With 4 modules, Mac now gives average time per read of 172us rather than 188us, with an integration time of 170us.
			**With 2 modules, Pi down to 200us from 750us. Still observe some freezes during acquisitions, but far fewer than before.
			*Will install ROOT on Pi and run fitting.

	=== [[ELogs/FernPannell\|Fern Pannell]] ===		=== [[ELogs/FernPannell\|Fern Pannell]] ===
	*		*

SaadShaikh: /* Saad Shaikh */

2021-07-05T10:24:50Z

Saad Shaikh

← Older revision		Revision as of 10:24, 5 July 2021
Line 13:		Line 13:
	*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.		*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.
	**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.		**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.
			*New fitting routine using Gauss–Legendre algorithm and Fumili minimiser implemented into photodiode scripts.
			**New routine gives reasonable results where default options either fail or give strange fit results.
			**With a given set of fit results, Gauss–Legendre draws Bortfeld curve slightly differently compared to default Adaptive Singular algorithm.
			**Might require some optimisation of numerical parameters to correct this. Will investigate, but might be that "slow, accurate, non-live" fit use slower Adaptive Singular to draw curves.
			*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.
			*Installed

	=== [[ELogs/FernPannell\|Fern Pannell]] ===		=== [[ELogs/FernPannell\|Fern Pannell]] ===
	*		*

SaadShaikh: /* Saad Shaikh */

2021-07-05T10:16:24Z

Saad Shaikh

← Older revision		Revision as of 10:16, 5 July 2021
Line 6:		Line 6:

	=== [[ELogs/SaadShaikh\|Saad Shaikh]] ===		=== [[ELogs/SaadShaikh\|Saad Shaikh]] ===
	*		*Painted 4 scintillator sheet pairs:
			**Sheets 48 & 23 with primer – one layer to glue pair.
			**Sheets 54 & 1 with appliance – one layer to glue pair.
			**Sheets 52 & 11 with appliance and then primer to glue pair – 10-15 mins for appliance layer to dry.
			**Sheets 53 & 2 with appliance and then primer to glue pair – 30-40 mins for appliance layer to dry.
			*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.
			**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.

	=== [[ELogs/FernPannell\|Fern Pannell]] ===		=== [[ELogs/FernPannell\|Fern Pannell]] ===
	*		*

SaadShaikh: /* Saad Shaikh */

2021-07-02T16:53:15Z

Saad Shaikh

← Older revision		Revision as of 16:53, 2 July 2021
Line 6:		Line 6:

	=== [[ELogs/SaadShaikh\|Saad Shaikh]] ===		=== [[ELogs/SaadShaikh\|Saad Shaikh]] ===
	*~~Painted 2 pairs of scintillator sheets with Derek.~~		*
	**Will collect and measure painted pairs tomorrow.
	*Optimised ROOT fitting speed: using Legendre-Gauss integration algorithm and Fumili minimisation.
	**32 data points: 12Hz with ROOT display and 35-40Hz without. Fitting smooth QB function.
	**Will consolidate new version of fitting into rest of fitting scripts.
	**Will test differences in fit results using Legendre-Gauss/Fumili compared to default GSL/Minuit.
	**Will add regular Bortfeld curve to live fit and output file for GUI.

	=== [[ELogs/FernPannell\|Fern Pannell]] ===		=== [[ELogs/FernPannell\|Fern Pannell]] ===
	*		*

SaadShaikh: Created page with "== Minutes for UCL Proton Calorimetry Meetings, 23rd June == === Present === '''Simon Jolly''', '''Saad Shaikh''', '''Fern Pannell''' === Saad Shaikh === ..."

2021-07-02T16:52:57Z

Created page with "== Minutes for UCL Proton Calorimetry Meetings, 23rd June == === Present === '''Simon Jolly''', '''Saad Shaikh''', '''Fern Pannell''' === Saad Shaikh === ..."

New page

== Minutes for UCL Proton Calorimetry Meetings, 23rd June ==

=== Present ===

'''Simon Jolly''', '''Saad Shaikh''', '''Fern Pannell'''

=== [[ELogs/SaadShaikh|Saad Shaikh]] ===
*Painted 2 pairs of scintillator sheets with Derek.
**Will collect and measure painted pairs tomorrow.
*Optimised ROOT fitting speed: using Legendre-Gauss integration algorithm and Fumili minimisation.
**32 data points: 12Hz with ROOT display and 35-40Hz without. Fitting smooth QB function.
**Will consolidate new version of fitting into rest of fitting scripts.
**Will test differences in fit results using Legendre-Gauss/Fumili compared to default GSL/Minuit.
**Will add regular Bortfeld curve to live fit and output file for GUI.

=== [[ELogs/FernPannell|Fern Pannell]] ===
*

← Older revision		Revision as of 10:32, 5 July 2021
Line 13:		Line 13:
	*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.		*Neither combination gives acceptable results: lots of gaps in paint layer due to either inconsistencies in sheet thickness, placement misalignment or paint reaction.
	**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.		**Placement of sheets when glueing is difficult: not much room to adjust once placed as this ruins paint layer.
			*Will paint 32 sheets for beam test with single coat of primer to be ready for beam tests.
	*New fitting routine using Gauss–Legendre algorithm and Fumili minimiser implemented into photodiode scripts.		*New fitting routine using Gauss–Legendre algorithm and Fumili minimiser implemented into photodiode scripts.
	**New routine gives reasonable results where default options either fail or give strange fit results.		**New routine gives reasonable results where default options either fail or give strange fit results.
	**With a given set of fit results, Gauss–Legendre draws Bortfeld curve slightly differently compared to default Adaptive Singular algorithm.		**With a given set of fit results, Gauss–Legendre draws Bortfeld curve slightly differently compared to default Adaptive Singular algorithm.
	**Might require some optimisation of numerical parameters to correct this. Will investigate, but might be that "slow, accurate, non-live" fit ~~use~~ slower Adaptive Singular to draw curves.		**Might require some optimisation of numerical parameters to correct this. Will investigate, but might be that "slow, accurate, non-live" fit uses slower Adaptive Singular algorithm to draw curves.
	*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.		*Organised new inventory and beam test equipment into new DeWalt tower – tower kept in D109.
	*Installed Argon One V2 case on Raspberry Pi.		*Installed Argon One V2 case on Raspberry Pi.
Line 23:		Line 24:
	**With 4 modules, Mac now gives average time per read of 172us rather than 188us, with an integration time of 170us.		**With 4 modules, Mac now gives average time per read of 172us rather than 188us, with an integration time of 170us.
	**With 2 modules, Pi down to 200us from 750us. Still observe some freezes during acquisitions, but far fewer than before.		**With 2 modules, Pi down to 200us from 750us. Still observe some freezes during acquisitions, but far fewer than before.
	*Will install ROOT on Pi and ~~run~~ fitting.		**Also observe improvement in frame rate of replay script with this flag. Fitting and plotting scripts are largely the same.
			*Will install ROOT on Pi and compile fitting and plotting scripts.

	=== [[ELogs/FernPannell\|Fern Pannell]] ===		=== [[ELogs/FernPannell\|Fern Pannell]] ===
	*		*