Journal profile · COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
IEEE Computer Architecture Letters
ISSN 1556-6056 · eISSN 1556-6064 · Institute of Electrical and Electronics Engineers Inc. · UNITED STATES
IEEE Computer Architecture Letters: CAS Zone 4 · Computer Science (2025 upgraded edition); impact factor 1.69; subscription journal; APC about USD 2,645; review over 12 weeks (community reports); community-reported acceptance: easy; 109 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
IEEE Computer Architecture Letters is published by Institute of Electrical and Electronics Engineers Inc. and is in Zone 4 of Computer Science in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Parallel Computing and Optimization Techniques, Advanced Data Storage Technologies and Interconnection Networks and Systems, together about 47.4% of its articles. Its main subfields are Computer Networks and Communications and Electrical and Electronic Engineering. (generated from OpenAlex topic counts and CAS ranking data)
IEEE Computer Architecture Letters is a rigorously peer-reviewed forum for publishing early, high-impact results in the areas of uni- and multiprocessor computer systems, computer architecture, microarchitecture, workload characterization, performance evaluation and simulation techniques, and power-aware computing. Submissions are welcomed on any topic in computer architecture, especially but not limited to: microprocessor and multiprocessor systems, microarchitecture and ILP processors, workload characterization, performance evaluation and simulation techniques, compiler-hardware and operating system-hardware interactions, interconnect architectures, memory and cache systems, power and thermal issues at the architecture level, I/O architectures and techniques, independent validation of previously published results, analysis of unsuccessful techniques, domain-specific processor architectures (e.g., embedded, graphics, network, etc.), real-time and high-availability architectures, reconfigurable systems.
Source: LetPub
Research area (LetPub): COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
Main research topics OpenAlex counts of recent articles; shares are approximate
- Parallel Computing and Optimization TechniquesComputer Science24.9%
- Advanced Data Storage TechnologiesComputer Science13.7%
- Interconnection Networks and SystemsComputer Science8.8%
- Embedded Systems Design TechniquesComputer Science5.6%
- Advanced Memory and Neural ComputingEngineering4.7%
- Cloud Computing and Resource ManagementComputer Science4.6%
- Ferroelectric and Negative Capacitance DevicesEngineering3.4%
- Low-power high-performance VLSI designEngineering3.2%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Computer Science Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 4 |
| Minor | Computer Science, Hardware & Architecture | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Computer Science Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 4 |
| Minor | Computer Science, Hardware & Architecture | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Computer Science, Hardware & Architecture | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.69LetPub ·
- CiteScore 2026-06
- 2.7LetPub ·
- SJR 2026-06
- 0.54LetPub ·
- SNIP 2026-06
- 0.72LetPub ·
- h-index
- 31LetPub ·
- h-index
- 52OpenAlex ·
- i10-index
- 287OpenAlex ·
- 2-year mean citedness
- 1.64OpenAlex ·
- Self-citation rate
- 5%LetPub ·
- Share of gold OA articles
- 3.88%LetPub ·
Volume
- Articles per year
- 98LetPub ·
Articles by year OpenAlex count · 991 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 98 | 17 | 17 |
| 2025 | 109 | 26 | 155 |
| 2024 | 51 | 5 | 251 |
| 2023 | 61 | 8 | 419 |
| 2022 | 43 | 7 | 329 |
| 2021 | 40 | 11 | 343 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- over 12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 2,645 | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Country or region
- UNITED STATES
- Language
- English
- ISSN
- 1556-6056
- Electronic ISSN
- 1556-6064
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about IEEE Computer Architecture Letters
What CAS zone is IEEE Computer Architecture Letters in?
In the 2025 upgraded edition of the CAS Journal Ranking, IEEE Computer Architecture Letters is in Zone 4 of Computer Science, and in Zone 4 of the minor category Computer Science, Hardware & Architecture. In the 2026 Xinrui edition it is in Zone 4 of Computer Science. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of IEEE Computer Architecture Letters?
The latest impact factor listed by LetPub is 1.69; CiteScore 2.7, h-index 52.
How long does peer review take at IEEE Computer Architecture Letters?
Authors report an average review time of over 12 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index IEEE Computer Architecture Letters?
According to LetPub and DOAJ records, IEEE Computer Architecture Letters is indexed in SCIE and Scopus.
Is IEEE Computer Architecture Letters open access, and what is the APC?
IEEE Computer Architecture Letters is a subscription journal. APC about USD 2,645.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .