{"eid":"ncar-hpc-docs-readthedocs-io","name":"NSF NCAR","domain":"ncar-hpc-docs.readthedocs.io","resolved_by":"host","topics":["compute","storage"],"n_records":2,"best_vorder":4,"review":null,"aliases":["NSF NCAR","NSF NCAR Derecho","ncar glade (campaign / work / scratch)","ncar-hpc-docs.readthedocs.io"],"records":[{"rid":"compute/nsf-ncar-derecho","card":{"rid":"compute/nsf-ncar-derecho","eid":"ncar-hpc-docs-readthedocs-io","topic":"compute","slug":"nsf-ncar-derecho","provider":"NSF NCAR Derecho","url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","domain":"ncar-hpc-docs.readthedocs.io","category":"national HPC allocation","tier":null,"verdict":"fails-identity","vorder":4,"grp":"rejected","confidence":"documented","binding":"write-gated","identity_kind":"institution","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":1,"country":null,"crypto":null,"interfaces":null,"egress_metered":null,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-22T00:00:00.000Z","verified_basis":"live","checked_on":"2026-10-22","stale_on":"2026-11-21","n_evidence":5,"usd_month":null,"usd_per_tb_month":null,"summary":"An Exploratory and Classroom allocation carries 500,000 Derecho core-hours and 1,500 Derecho GPU-hours, is accepted continuously, and requires \"No external f...","duplicate_of":null,"n_unknown":10},"record":{"topic":"compute","slug":"nsf-ncar-derecho","provider":"NSF NCAR Derecho","url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","category":"national HPC allocation","free_tier":{"stated":"An Exploratory and Classroom allocation carries 500,000 Derecho core-hours and 1,500 Derecho GPU-hours, is accepted continuously, and requires \"No external funding award\", which the provider states explicitly in its funding eligibility column. A Small allocation raises that to 1 million core-hours and 2,500 GPU-hours and does require an NSF award. Derecho is 2,488 nodes with nearly 320,000 AMD EPYC cores plus 82 nodes holding 328 NVIDIA A100 GPUs, and access is \"at no cost to you, your institution, or your research grants\".","unit":"hours","metered_on":"wall-clock","source_url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","read_on":"2026-10-22","notes":"continuous-small-allocation"},"per_object_cap":{"stated":"not applicable","bytes":null,"source_url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","notes":null},"retention":{"stated":"not applicable","days":null,"source_url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","notes":null},"egress":{"terms":"not stated","metered":false,"free_allowance":null,"price_per_tb":null,"source_url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/"},"interface":["unknown"],"interface_detail":"inferred from the tooling the provider documents; not probed","tooling":"not stated","chaining":"Derecho composes with nothing in the file because the field restriction is absolute: the machine is for Earth system science, so the 500,000 core-hours are only usable as a climate, weather or geoscience workload, and a general data-science job would be a false application rather than a clever one.","limits":[{"kind":"write-gated","value":"\"To use Derecho, you must be a U.S.-based researcher, and your research must be in the Earth system sciences or related to Earth system science\", so the half-million core-hours fail on both country and field before any funding question arises.","source":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/"}],"limits_note":"\"To use Derecho, you must be a U.S.-based researcher, and your research must be in the Earth system sciences or related to Earth system science\", so the half-million core-hours fail on both country and field before any funding question arises.","binding":"write-gated","binding_note":"\"To use Derecho, you must be a U.S.-based researcher, and your research must be in the Earth system sciences or related to Earth system science\", so the half-million core-hours fail on both country and field before any funding question arises.","identity_cost":{"kind":"institution","detail":null,"country":null},"reliability_note":"no reliability event recorded","confidence":"documented","evidence":[{"url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","date":"2026-10-22","proved":"Exploratory and Classroom: Derecho 500,000 core-hours and Derecho GPU 1,500 GPU-hours, continuous, funding eligibility \"No external funding award\", quoted from the table"},{"url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","date":"2026-10-22","proved":"Small: Derecho 1 million core-hours and 2,500 GPU-hours, continuous, NSF award required, quoted from the table"},{"url":"https://commons.ucar.edu/discussion/tools-you-can-use-derecho-supercomputer","date":"2026-10-22","proved":"\"Derecho boasts 2,488 nodes with nearly 320,000 AMD EPYC cores and 82 nodes with 328 NVIDIA A100 GPUs\"; \"access to these Derecho and other resources is provided at no cost to you, your institution, or your research grants\", quoted"},{"url":"https://commons.ucar.edu/discussion/tools-you-can-use-derecho-supercomputer","date":"2026-10-22","proved":"\"To use Derecho, you must be a U.S.-based researcher, and your research must be in the Earth system sciences\"; \"we can offer access to graduate students, postdocs, and new faculty without NSF funding\", quoted"},{"url":"https://ncar-hpc-docs.readthedocs.io/en/latest/allocations/university-allocations/","date":"2026-10-22","proved":"the Data Analysis allocation on Casper accepts \"Any funding source\" in the funding eligibility column, quoted"}],"verdict":"fails-identity","verified_at":"2026-10-22T00:00:00.000Z","notes":"The number is the largest free core-hour figure found that does not require a funding award, and the reason it is recorded as a refutation rather than capacity is one sentence about U.S. residency. 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