存内计算
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突破“存储墙”,三路并进
3 6 Ke· 2025-12-31 03:35
前言 近年来,AI与高性能计算的爆发式增长,正推动计算需求呈指数级攀升。从ChatGPT的横空出世到Sora带来的视觉震撼,大规模AI模型不仅在参数规模上 指数级膨胀,其对计算能力的需求更是呈现出令人惊叹的增长曲线。 然而,在这片繁荣的背后,一个日益严峻的挑战正浮出水面——"存储墙"。 从千亿参数的大语言模型到边缘端的智能终端,各类应用对存储器的性能、功耗、面积(PPA)提出了前所未有的严苛要求。存储"带宽墙"成为制约AI计 算吞吐量与延迟的核心瓶颈,传统存储器技术已难以满足系统能效优化需求,巨大的性能缺口正制约着AI芯片发挥其全部潜力。 作为全球半导体制造的领导者,台积电深刻洞察到这一根本性矛盾。在2025年的IEDM(国际电子器件会议)教程中,台积电清晰指出:未来AI与高性能 计算芯片的竞争,将不仅仅是晶体管密度与频率的竞赛,更是内存子系统性能、能效与集成创新的综合较量。 AI算力狂奔下,存储"带宽墙"成核心痛点 AI模型的进化史,堪称一场对算力与存储的极限压榨。 从早期的AlexNet到如今的GPT-4、Llama2、PaLM,模型参数从百万级跃升至万亿级,模型规模的扩张直接带动训练与推理阶段的计算量( ...
突破“存储墙”,三路并进
半导体行业观察· 2025-12-31 01:40
Core Viewpoint - The article discusses the exponential growth of AI and high-performance computing, highlighting the emerging challenge of the "storage wall" that limits the performance of AI chips due to inadequate memory bandwidth and efficiency [1][2]. Group 1: AI and Storage Demand - The evolution of AI models has led to a dramatic increase in computational demands, with model parameters rising from millions to trillions, resulting in a training computation increase of over 10^18 times in the past 70 years [2]. - The performance of any computing system is determined by its peak computing power and memory bandwidth, leading to a significant imbalance where hardware peak floating-point performance has increased 60,000 times over the past 20 years, while DRAM bandwidth has only increased 100 times [5][8]. Group 2: Memory Technology Challenges - The rapid growth in computational performance has not been matched by memory bandwidth improvements, creating a "bandwidth wall" that restricts overall system performance [5][8]. - AI inference scenarios are particularly affected, with memory bandwidth becoming a major bottleneck, leading to idle computational resources as they wait for data [8]. Group 3: Future Directions in Memory Technology - TSMC emphasizes that the evolution of memory technology in the AI and HPC era requires a comprehensive optimization across materials, processes, architectures, and packaging [12]. - The future of memory architecture will focus on "storage-compute synergy," transitioning from traditional on-chip caches to integrated memory solutions that enhance performance and efficiency [12][10]. Group 4: SRAM as a Key Technology - SRAM is identified as a critical technology for high-performance embedded memory due to its low latency, high bandwidth, and energy efficiency, widely used in various high-performance chips [13][20]. - TSMC's SRAM technology has evolved through various process nodes, with ongoing innovations aimed at improving density and efficiency [14][22]. Group 5: Computing-in-Memory (CIM) Innovations - CIM architecture represents a revolutionary approach that integrates computing capabilities directly within memory arrays, significantly reducing data movement and energy consumption [23][26]. - TSMC believes that Digital Computing-in-Memory (DCiM) has greater potential than Analog Computing-in-Memory (ACiM) due to its compatibility with advanced processes and flexibility in precision control [28][30]. Group 6: MRAM Developments - MRAM is emerging as a viable alternative to traditional embedded flash memory, offering non-volatility, high reliability, and durability, making it suitable for applications in automotive electronics and edge AI [35][38]. - TSMC's MRAM technology meets stringent automotive requirements, providing robust performance and longevity [41][43]. Group 7: System-Level Integration - TSMC advocates for a system-level approach to memory and compute integration, utilizing advanced packaging technologies like 2.5D/3D integration to enhance bandwidth and reduce latency [50][52]. - The future of AI chips may see a blurring of the lines between memory and compute, with tightly integrated architectures that optimize energy efficiency and performance [58][60].
炬芯科技(688049):2025年三季报点评:持续刷新单季业绩记录,份额提升&端侧卡位共驱高速成长
Huachuang Securities· 2025-10-29 12:45
Investment Rating - The report maintains a "Strong Buy" rating for the company, indicating an expectation to outperform the benchmark index by over 20% in the next six months [1][23]. Core Insights - The company has achieved record quarterly performance, with Q3 2025 revenue reaching 273 million yuan, a year-over-year increase of 46.64% and a quarter-over-quarter increase of 6.16%. The net profit attributable to shareholders was 60 million yuan, reflecting a year-over-year growth of 101.09% and a quarter-over-quarter growth of 20.72% [1][8]. - The company is experiencing robust growth in market share and product offerings, particularly in the AI-enabled edge computing sector, which is driving significant revenue increases [8]. - The report highlights the successful penetration of the Bluetooth speaker SoC market, with increasing collaboration with leading audio brands and a strong demand for low-latency wireless audio products [8]. Financial Summary - Total revenue projections for the company are as follows: 652 million yuan in 2024, 986 million yuan in 2025, 1,324 million yuan in 2026, and 1,745 million yuan in 2027, with respective growth rates of 25.3%, 51.3%, 34.3%, and 31.8% [3]. - Net profit attributable to shareholders is forecasted to be 107 million yuan in 2024, 212 million yuan in 2025, 295 million yuan in 2026, and 397 million yuan in 2027, with growth rates of 63.8%, 98.8%, 39.2%, and 34.7% respectively [3]. - The report projects earnings per share (EPS) to increase from 0.61 yuan in 2024 to 2.27 yuan in 2027, with a corresponding decrease in price-to-earnings (P/E) ratio from 97 to 26 over the same period [3]. Market Position and Strategy - The company is strategically positioned in the AI edge computing market, focusing on low-power, high-performance chip development to meet the growing demand for advanced audio products [8]. - The report emphasizes the company's commitment to innovation, particularly in developing proprietary protocols to enhance wireless transmission capabilities and reduce latency [8]. - The target price for the company's stock is set at 87.58 yuan, based on a projected P/E ratio of 52x for 2026, reflecting confidence in the company's growth trajectory [3][8].
存内计算芯片,热度大增
半导体行业观察· 2025-10-26 03:16
Core Insights - The article emphasizes the importance of edge AI and the need for efficient memory and computation solutions to reduce power consumption and latency in edge devices [3][4][10]. Group 1: Edge AI Challenges - Edge AI applications require real-time responses and often deal with sensitive data that cannot be shared with third parties, leading to strict limitations on computational resources [3]. - In typical mobile workloads, data movement in memory accounts for 62% of total energy consumption, highlighting the inefficiency of current memory systems [3]. Group 2: Memory Solutions - Near-memory computing and advanced memory technologies like RRAM (Resistive Random Access Memory) and ferroelectric capacitors are proposed as potential solutions to address power and performance issues [4][5]. - RRAM offers high read endurance but has low write endurance, making it suitable for inference tasks but challenging for training tasks that require frequent updates [6][9]. Group 3: Hybrid Approaches - Hybrid solutions combining RRAM and ferroelectric materials can leverage the strengths of both technologies, allowing for efficient training and inference in edge AI applications [5][7]. - The integration of ferroelectric transistors into CMOS processes is complex but necessary for achieving high performance in memory computing [6][7]. Group 4: New Computational Frameworks - Memory computing can enhance not only traditional neural network computations but also facilitate the development of new modeling methods, such as solving Ising glass problems [10][11]. - Future advancements in memory computing will require new software frameworks that can adapt memory access patterns to specific problem requirements, independent of external memory controllers [13].
炬芯科技(688049):智能音频业务高速增长 存内计算加速落地
Xin Lang Cai Jing· 2025-08-26 00:33
Group 1 - The company achieved steady revenue growth in the first half of 2025, with a revenue of 449 million yuan, representing a year-over-year increase of 60.12% [1] - The gross profit margin reached 50.67%, an increase of 4.21 percentage points year-over-year, while the net profit attributable to shareholders was 91 million yuan, up 123.19% year-over-year [1] - In Q2 2025, the company reported a revenue of 257 million yuan, a year-over-year increase of 58.72% and a quarter-over-quarter increase of 33.98% [1] Group 2 - The SoC chip business experienced rapid growth, with significant penetration in the AIoT and wireless audio markets, driven by the integration of AI and hardware [2] - The company launched three AI audio chips (ATS323X, ATS362X, ATS286X) that have been quickly adopted by brand customers in wireless microphone products [2] - The company is strengthening partnerships with leading brands like Harman, Sony, and Bose, enhancing its market share in the Bluetooth speaker chip market [2] Group 3 - The commercialization of in-memory computing technology is accelerating, with the second generation of in-memory computing IP development on track to enhance NPU performance and energy efficiency [3] - The company is upgrading its ANDT development tools to strengthen the AI development ecosystem, facilitating model deployment for customers [3] - Revenue forecasts for 2025-2027 have been slightly adjusted, with expected revenues of 1 billion, 1.187 billion, and 1.485 billion yuan respectively, and net profits adjusted to 170 million, 270 million, and 370 million yuan [3]
炬芯科技董事长周正宇:以极致能效比打造长期核心竞争力
Zheng Quan Shi Bao Wang· 2025-05-28 12:16
Core Viewpoint - Yuchip Technology (688049) is focusing on high R&D investment and has achieved rapid growth in the Bluetooth speaker and audio markets, aiming for high-quality development through a differentiated strategy that emphasizes energy efficiency [1][2]. Group 1: Financial Performance - Yuchip Technology's net profit is projected to grow by 26.9% in 2024, with a staggering 385% increase in the first quarter of 2025 compared to the same period last year [2]. - The first quarter of 2025 marked the best quarterly performance since the company's listing, outperforming traditional peak seasons [2]. Group 2: Market Position and Strategy - The company has reached the second-largest market share in the Bluetooth speaker market and is targeting to surpass international brands like Harman, Sony, and Bose, aiming for a global market presence [2]. - Yuchip is not only focused on domestic market replacement but is also pursuing a global vision to compete with international giants [2]. Group 3: Technological Innovation - The company is investing heavily in a technology called in-memory computing, which enhances energy efficiency and supports AI functionalities without increasing battery usage [3]. - Yuchip's strategy prioritizes achieving a high energy efficiency ratio rather than merely increasing computational power, positioning itself as a leader in energy-efficient AI solutions [3]. Group 4: Leadership and Corporate Culture - The founder, Zhou Zhengyu, reflects on past experiences and emphasizes the importance of recognizing the core competencies of the team and being on the right track for sustainable growth [4]. - The company's ownership structure, with the team holding 30% of shares, is designed to incentivize long-term commitment and competitiveness [4].
炬芯科技:炬力前行,用芯聆听
China Post Securities· 2025-05-13 03:23
Investment Rating - The report maintains a "Buy" rating for the company [1] Core Views - The company specializes in wireless audio ICs, targeting high-end consumer and professional audio markets globally. Its main products include Bluetooth audio SoC chip series, portable audio and video SoC chip series, and smart voice interaction SoC chip series, which are widely used in Bluetooth speakers, headphones, smart education, and smart home applications. The company has become a mainstream supplier in the low-power wireless IoT field related to audio and has gradually achieved domestic substitution in relevant chip areas [2] - The company serves both international and domestic top-tier brands, including Harman, Sony, Bose, and Xiaomi, by providing differentiated chip combinations to meet the diverse needs of terminal brands in the market. This has led to increased penetration rates among mainstream terminal brands [2] - The company is continuously enhancing its product development and upgrades for 2.4G private communication protocols, which are widely applied in smart offices, smart homes, and industrial control. The latest generation of products supports a transmission power of up to 16dBm and a wireless transmission bandwidth of 4Mbps, showcasing strong wireless connection technology and anti-interference capabilities [2] - The company is leveraging AI advancements to enhance audio applications, including voice recognition and noise suppression. Its edge AI processor chips serve as a crucial link between audio and AI, providing low-power computing platforms for AI applications in IoT devices [2] Financial Forecast and Metrics - The company is projected to achieve revenues of 652 million yuan in 2024, with a growth rate of 25.34%, and is expected to reach 875 million yuan in 2025, 1,149 million yuan in 2026, and 1,493 million yuan in 2027. The net profit attributable to the parent company is forecasted to be 107 million yuan in 2024, growing to 163 million yuan in 2025, 231 million yuan in 2026, and 309 million yuan in 2027 [3][4] - The company's EBITDA is expected to grow from 80 million yuan in 2024 to 346 million yuan in 2027, indicating a strong upward trend in profitability [3] - The earnings per share (EPS) is projected to increase from 0.73 yuan in 2024 to 2.12 yuan in 2027, reflecting the company's robust growth potential [3] Product and Market Development - The company is deepening its focus on smart audio SoC technology, leading innovations in audio technology [5][8] - The company is expanding its market share in portable and home audio markets, particularly in wireless microphones and soundbars, with a gradual increase in market penetration [24][46] - The company is actively exploring the wireless microphone market, which is experiencing growth due to the rise of video streaming and content creation, with its products gaining popularity for their low power consumption and excellent noise reduction capabilities [50][51] R&D and Talent - The company is increasing its R&D investment, with a projected R&D expense rate of 33% in 2024, and total R&D expenditure expected to reach 215 million yuan, a year-on-year increase of 30.06% [22] - The company has optimized its R&D personnel structure, with 266 R&D staff accounting for 73.08% of the total workforce, focusing on high-performance and low-power technology innovations [22]
炬芯科技(688049):炬力前行,用芯聆听
China Post Securities· 2025-05-13 02:56
Investment Rating - The report maintains a "Buy" rating for the company [1] Core Views - The company specializes in wireless audio ICs, targeting high-end consumer and professional audio markets globally. Its main products include Bluetooth audio SoC chip series, portable audio and video SoC chip series, and smart voice interaction SoC chip series, which are widely used in Bluetooth speakers, headphones, smart education, and smart home applications. The company has become a mainstream supplier in the low-power wireless IoT field and is gradually achieving domestic substitution in related chip areas [2][14] - The company serves both international and domestic top-tier brands, including Harman, Sony, Bose, and Xiaomi, by providing differentiated chip combinations to meet diverse market demands, which has led to increased penetration in mainstream brands [2][14] - The company is continuously enhancing its product development and upgrades for 2.4G private communication protocols, which are widely applied in smart offices, smart homes, and industrial control. The latest products support high transmission power and improved wireless communication technology, showcasing strong wireless connection capabilities [2][14] - The company is leveraging AI advancements to enhance audio applications, with its edge AI processor chips providing low-power computing platforms for smart IoT applications, meeting the AI needs of low-power edge devices [2][14] Financial Projections and Indicators - The company forecasts revenue growth from 652 million in 2024 to 1,493 million by 2027, with a compound annual growth rate (CAGR) of approximately 29.87% [3] - The projected net profit attributable to the parent company is expected to grow from 107 million in 2024 to 309 million by 2027, reflecting a strong growth trajectory [3] - The company's EBITDA is projected to increase from 80 million in 2024 to 346 million by 2027, indicating robust operational performance [3] - The earnings per share (EPS) is expected to rise from 0.73 yuan in 2024 to 2.12 yuan by 2027, showcasing significant profitability improvement [3] Product and Market Development - The company is deepening its focus on smart audio SoC technology, leading innovations in audio technology [5][7] - The company is expanding its market presence in portable and home audio markets, with a gradual increase in market share for private protocol products like wireless microphones and soundbars [23][45] - The company is actively exploring the wireless microphone market, which is expanding due to the rise of video streaming and content creation, with its products gaining popularity for their low power consumption and excellent noise reduction capabilities [49][50]
海外芯片行业,投资热潮高涨
半导体行业观察· 2025-04-04 03:46
Core Insights - In Q1 2025, six companies secured at least $100 million in funding, with three being quantum hardware firms focusing on various quantum control methods [1] - AI chips and enabling technologies emerged as another significant winner, with companies developing optical communication technologies for data center infrastructure receiving over $400 million in investments [1] - A total of 75 companies collectively raised over $2 billion in Q1 2025, including new entrants in coherent DSP, novel storage architectures, and MEMS photonic integration [1] Funding Summary - Celestial AI raised $250 million in Series C+ funding in March 2025 [2] - Krutrim secured $230 million in venture and debt funding in February 2025 [2] - QUELS raised $230 million through convertible notes in February 2025 [2] - Quantum Machines obtained $170 million in Series C funding in February 2025 [2] - Alice & Bob raised $104.2 million in Series B funding in January 2025 [2] - EnCharge AI secured $100 million in Series B funding in February 2025 [2] - Lumafield and Retym each raised $75 million in Series C and Series D funding respectively in March 2025 [2] - Axelera AI received $66.5 million in grants in March 2025 [2] - Other notable funding includes $45 million by Lumotive and $44 million by MemryX in Series B funding [2] Emerging Technologies - Several new companies are emerging with innovations in coherent DSP, new storage structures, and MEMS photonic integration [1] - These companies are collaborating with manufacturers of RISC-V processors, atomic layer processing, metrology equipment, and high-voltage power semiconductors [1]