NCSHMEM - Revision history

Karsai at 09:38, 21 July 2022

2022-07-21T09:38:06Z

← Older revision		Revision as of 09:38, 21 July 2022
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	[[Shared memory]], {{TAG\|ALGO}}, [[Practical guide to GW calculations]]		[[Shared memory]], {{TAG\|ALGO}}, [[Practical guide to GW calculations]]

	[[Category:Performance]][[Category:~~VASP6~~]][[Category:~~Machine-learned force fields~~]][[Category:Memory]]		[[Category:Performance]][[Category:Many-body perturbation theory]][[Category:GW]][[Category:Memory]]

Karsai at 09:36, 21 July 2022

2022-07-21T09:36:29Z

← Older revision		Revision as of 09:36, 21 July 2022
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	----		----
	By default no shared memory MPI is in the non-cubic scaling GW routines ({{TAG\|ALGO}}=EVGW, EVGW0, QPGW and QPGW0).		By default no shared memory MPI is in the non-cubic scaling GW routines ({{TAG\|ALGO}}=EVGW, EVGW0, QPGW and QPGW0).
	For shared memory in the non-cubic scaling GW set NCSHMEM=-1.		For using shared memory MPI in the non-cubic scaling GW set NCSHMEM=-1.

	{{NB\|warning\|For the openmp version NCHSMEM is not active and shared memory is not used for MPI. In that case the memory is shared between threads.}}		{{NB\|warning\|For the openmp version NCHSMEM is not active and shared memory is not used for MPI. In that case the memory is shared between threads.}}

	== Related tags and articles ==		== Related tags and articles ==
	[[Shared memory]], {{TAG\|ALGO}}, [[Practical guide to GW calculations]]		[[Shared memory]], {{TAG\|ALGO}}, [[Practical guide to GW calculations]]

	[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]		[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]

Karsai at 09:35, 21 July 2022

2022-07-21T09:35:04Z

← Older revision		Revision as of 09:35, 21 July 2022
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	----		----
	By default no shared memory MPI is in the non-cubic scaling GW routines.		By default no shared memory MPI is in the non-cubic scaling GW routines ({{TAG\|ALGO}}=EVGW, EVGW0, QPGW and QPGW0).
	For shared memory in the non-cubic scaling GW set NCSHMEM=-1.		For shared memory in the non-cubic scaling GW set NCSHMEM=-1.

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	== Related tags and articles ==		== Related tags and articles ==
	[[Shared memory]], {{TAG\|~~IALGO~~}}, [[Practical guide to GW calculations]]		[[Shared memory]], {{TAG\|ALGO}}, [[Practical guide to GW calculations]]

	[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]		[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]

Karsai at 09:31, 21 July 2022

2022-07-21T09:31:36Z

← Older revision		Revision as of 09:31, 21 July 2022
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	== Related tags and articles ==		== Related tags and articles ==
	[[Shared memory]]		[[Shared memory]], {{TAG\|IALGO}}, [[Practical guide to GW calculations]]

	[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]		[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]

Karsai at 09:29, 21 July 2022

2022-07-21T09:29:07Z

← Older revision		Revision as of 09:29, 21 July 2022
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	{{TAGDEF\|NCSHMEM\|[integer]\|1 }}		{{TAGDEF\|NCSHMEM\|[integer]\|1 }}

	Description: {{TAG\|NCSHMEM}} determines the number of compute cores sharing the memory ~~(shared memory~~ MPI) in the ~~old~~ GW routines.		Description: {{TAG\|NCSHMEM}} determines the number of compute cores sharing the memory in MPI in the non-cubic scaling GW routines.

	----		----
			By default no shared memory MPI is in the non-cubic scaling GW routines.
			For shared memory in the non-cubic scaling GW set NCSHMEM=-1.

			{{NB\|warning\|For the openmp version NCHSMEM is not active and shared memory is not used for MPI. In that case the memory is shared between threads.}}

	== Related tags and articles ==		== Related tags and articles ==

Karsai at 09:04, 21 July 2022

2022-07-21T09:04:04Z

← Older revision		Revision as of 09:04, 21 July 2022
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	{{TAGDEF\|NCSHMEM\|[integer]\|1 }}		{{TAGDEF\|NCSHMEM\|[integer]\|1 }}

	Description: {{TAG\|NCSHMEM}} determines the number of compute cores sharing the memory.		Description: {{TAG\|NCSHMEM}} determines the number of compute cores sharing the memory (shared memory MPI) in the old GW routines.

	----		----

Schlipf at 15:32, 19 July 2022

2022-07-19T15:32:00Z

← Older revision		Revision as of 15:32, 19 July 2022
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	----		----

			== Related tags and articles ==
			[[Shared memory]]

	[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]		[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]

Schlipf at 15:26, 19 July 2022

2022-07-19T15:26:40Z

← Older revision		Revision as of 15:26, 19 July 2022
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	{{TAGDEF\|~~NCORE~~\|[integer]\|1 }}		{{TAGDEF\|NCSHMEM\|[integer]\|1 }}

	Description: {{TAG\|NCSHMEM}} determines the number of compute cores sharing the memory.		Description: {{TAG\|NCSHMEM}} determines the number of compute cores sharing the memory.

Schlipf: Created page with "{{TAGDEF|NCORE|[integer]|1 }} Description: {{TAG|NCSHMEM}} determines the number of compute cores sharing the memory. ---- Category:PerformanceCategory:VASP6Categ..."

2022-07-19T15:26:23Z

Created page with "{{TAGDEF|NCORE|[integer]|1 }} Description: {{TAG|NCSHMEM}} determines the number of compute cores sharing the memory. ---- Category:Performance Category:VASP6Categ..."

New page

{{TAGDEF|NCORE|[integer]|1 }}

Description: {{TAG|NCSHMEM}} determines the number of compute cores sharing the memory.

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[[Category:Performance]][[Category:VASP6]][[Category:Machine-learned force fields]][[Category:Memory]]