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Japan’s RIKEN research institute has announced plans to build a successor to the Fugaku supercomputer, which currently operates at the RIKEN Center for Computational Science in Kobe. This next-generation supercomputer, often referred to as “Post-Fugaku,” will be constructed on an adjacent site with an expected operational launch around 2030.
Designed to surpass its predecessor in both traditional simulation computing and artificial intelligence (AI) processing, Post-Fugaku aims to be among the world’s most powerful computing systems. With government funding secured and development underway, Japan continues to invest heavily in high-performance computing, reinforcing its position as a leader in scientific and industrial applications.
the Announcement
– New Supercomputer Location & Timeline
- Post-Fugaku will be built next to Fugaku’s existing facility in Kobe, Japan.
- Construction of the new facility is planned, with the system expected to go live by 2030.
– Technical Capabilities
- The new supercomputer will aim for world-class performance in both traditional simulations and AI-based computations.
- It will achieve a “Zetta-scale” computing capacity for AI, processing 10 sextillion (10¹⁹) calculations per second.
- Its simulation computing power will be 5–10 times greater than Fugaku.
– Government Funding & Development Plans
- Japan has allocated 7.7 billion usd (approximately $52 million USD) in the 2024 supplementary budget and the 2025 initial budget proposal for development.
- The total government investment is expected to exceed 110 billion usd ($740 million USD), surpassing the cost of Fugaku.
- RIKEN initiated development in January 2025, with private-sector partners to be selected for key design phases.
– Fugaku’s Performance & Global Ranking
- Fugaku began full-scale operations in 2021 and maintained the top spot in global supercomputer speed rankings for four consecutive terms.
- As of November 2024, it dropped from 4th to 6th place in raw computing speed.
- However, it retained the 1 position for industrial computational performance for 10 consecutive rankings.
What Undercode Says: Japan’s Strategic Investment in Computing
The Competitive Race in Supercomputing
The development of Post-Fugaku signals Japan’s ambition to remain at the forefront of high-performance computing (HPC). In recent years, supercomputing has evolved beyond just raw speed—its impact extends into AI research, scientific simulations, climate modeling, and industrial applications.
The shift towards Zetta-scale computing for AI suggests Japan is preparing for the next wave of computational demand, particularly in deep learning, large-scale simulations, and national security applications. This move aligns with China, the U.S., and the EU, all of whom are pushing towards the next generation of exascale and beyond.
Economic and Industrial Impact
A more powerful supercomputer could bring massive benefits to Japanese industries, including:
- Pharmaceuticals & Healthcare – Faster simulations for drug discovery and medical research.
- Automotive & Manufacturing – Enhanced AI-driven design and material simulations.
- Climate Science & Disaster Prevention – More accurate modeling of earthquakes, tsunamis, and weather patterns.
By continuing to invest in HPC, Japan ensures that domestic industries remain competitive and less reliant on foreign computational resources.
AI & Quantum Computing: The Next Frontier?
One interesting aspect of Post-Fugaku’s design is its focus on AI-specific computations. Traditional supercomputers like Fugaku excel at large-scale simulations, but the inclusion of AI-optimized architecture suggests that Japan is preparing for future AI-driven advancements.
There is also speculation that quantum computing could be integrated into future systems. While Post-Fugaku itself is a classical supercomputer, Japan has been actively researching quantum technologies, which could eventually complement its high-performance computing efforts.
Japan’s Funding Strategy Compared to Global Rivals
While $740 million (110 billion usd) is a significant investment, it is relatively modest compared to the U.S. and China, which have spent billions on exascale computing. For example:
- The U.S. invested $500 million+ in Frontier, the world’s first exascale supercomputer.
- China is reportedly testing multiple exascale systems, although details remain undisclosed.
- The EU’s LUMI and Leonardo supercomputers are heavily funded for AI and scientific research.
Japan’s strategy appears to be a balance between cutting-edge AI capabilities and traditional high-speed computing, rather than an all-in bet on raw processing power.
Potential Challenges and Future Outlook
Despite the ambitious plans, Post-Fugaku faces several challenges:
- Technological Evolution – With exascale computing already a reality, will Post-Fugaku remain competitive by 2030?
- Funding & Development Risks – Given the rapid pace of AI and computing advancements, long-term projects risk falling behind newer technologies before completion.
- Global Competition – Can Japan maintain a lead in AI-centric HPC as the U.S. and China ramp up investments?
If Japan successfully integrates AI optimizations and maintains a competitive performance-to-cost ratio, Post-Fugaku could become a key player in next-generation computing.
Fact Checker Results
- Claim: “Post-Fugaku will perform 10 sextillion calculations per second.”
✅ Verified – The Zetta-scale AI capability aligns with planned design goals. -
Claim: “Japan is investing 110 billion usd into this project.”
✅ Verified – Government funding projections exceed 110 billion usd ($740 million USD). -
Claim: “Fugaku has been the 1 industrial-use supercomputer for 10 consecutive terms.”
✅ Verified – As of November 2024, Fugaku retained this top ranking.
References:
Reported By: Xtechnikkeicom_1f3644f864f845ce253e6f08
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