undersubscription

English

Etymology

From under- ‎ subscription.

Pronunciation

• Audio (US):

  (file)

Noun

undersubscription (countable and uncountable, plural undersubscriptions)

1. The subscription of significantly less than is available.
   • 2013, State Finances, page 57:

     There were no instances of undersubscriptions in SDL auctions of 28 states as against 18 such instances last year.

   • 2013, Mario Levis, Silvio Vismara, Handbook of Research on IPOs, →ISBN, page 207:

     They may increase the size of the placing (green-shoe option) or decrease it in case of undersubscription.

   • 2016, Craig Deegan, Financial Accounting, →ISBN:

     Therefore, in the presence of an underwriter any risks associated with undersubscription are shifted from the company to the underwriter.

2. (computing) The employment of more ports or bandwidth than necessary to ensure that network communication does not face delays.
   • 2014, Akhil Behl, CCIE Collaboration Quick Reference, →ISBN:

     End-to-end QoS along with appropriate bandwidth provisioning specifically for Intra-Cluster Communication Signaling (ICCS) is required. Overprovisioning and undersubscription of bandwidth is recommended.

3. (computing) The failure to provide sufficient threads in a multithreaded application.
   • 2012, Victor Pankratius, Michael Philippsen, Multicore Software Engineering, Performance and Tools, →ISBN:

     When there are not enough running threads to optimally exploit available PEs undersubscription occurs, resulting in a waste of performance.