SC21 will require in-person attendees to provide proof of COVID-19 vaccination. Details on the vaccine verification process will be coming soon and may require you to revisit your registration. If you choose to move ahead with your registration, the published cancellation fees will apply.

Online Registration


  • An e-mail confirmation will be sent immediately following the completion of your registration. A valid credit card is required for all registrations requiring payment.
  • If you are a member of ACM, IEEE, SIGARCH, or SIGHPC select that category to receive a discount on your registration fees. Your membership ID will be required (the number will be verified immediately). Please note that your email must match the one on file with the society; if you are unable to locate the info you need please contact ACM or IEEE for assistance.
  • Workshops and Tutorials are NOT included with the Technical Program registration. If you would like to add Workshops and/or Tutorials to your Technical Program registration, you will need to select the Workshops Add-On and/or the Tutorial Passport during the registration process.
  • Watch for the ACM Call for Participation link on your registration confirmation. Independent of the registration process, ACM is anonymously collecting demographic information that will help us understand where ACM stands in terms of diversity and to identify areas that require improvement. Please choose to participate.

Registration Category

Last Name 
Member Number
Email Address


Change/Modify Existing Registration


  • Update contact info
  • Add and remove tutorial or workshops
  • Print confirmations
  • Print receipts
  • Get letter to use in obtaining a visa
  • Cancel registrations


Confirmation #
Email Address