Computer Architecture Letters is an official publication of the IEEE Computer Society. and presents a quarterly forum for fast publication of novel, high-quality ideas in the form of short, critically refereed, technical papers. Accepted letters are immediately published in the IEEE Digital Library and then in the next print issue. CA-Letters is currently bi-annual. Official date of publication, however, is the date of online posting. Monthly notifications of new papers are sent to the TCCA and SIGARCH memberships.

Submissions are accepted on a continuing basis. Please see our call for papers. Current turn-around is approximately one month (since Jan. 1 2007, when we moved to new reviewing software and practices, 75% of papers are decided within one month, 92% within 6 weeks, and 100% within two months), and current acceptance rate is approximately 24%. All submissions must consist of original work that has not been previously published nor is currently under review elsewhere. Contributions beyond prior work must be clearly articulated. Letters submissions that extend or are otherwise closely related to prior publications must also include copies of those prior papers.

Publication in CA-Letters should not generally preclude subsequent publication in conferences or journals, as long as subsequent manuscripts contain sufficient new material. However, overlapping submission to CA-Letters and another venue (where the Letters paper is essentially a subset of the longer manuscript) is generally not allowed. This would run against the spirit of what Letters is trying to accomplish. The focus of Letters is early publication and feedback on new work. If the work is already mature enough to submit a full-length paper before receiving your decision from CA-Letters, this generally defeats the role of Letters. This is of course only a general policy. Our goal is to be flexible and open to papers that will advance the field. If you have questions about specific circumstances, please feel free to contact the editors-in-chief.

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