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OGAWA, Tadashi Profile picture
OGAWA, Tadashi
@ogawa_tter
たった一人で日本の天〇学研究遂行に重大な支障を来らせた罪人、博士 (物理) の皆様には申し訳ありませんでした。余計なツイートをしないように心掛けますが、私ごときが URL込み一次情報を紹介するのすら気に入らない方もいるので何かあったら察して↓ https://t.co/1K63SE3R0z
Sep 23, 2022 • 57 tweets • 78 min read
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Mark Papermaster, CTO, AMD, Keynote, Dell Technologies HPC Community Meeting, Jul 26, 2022 d21hwc2yj2s6ok.cloudfront.net/assets/uploads…
Advancing EDA, Keynote, DAC 2022, Jul 11
Instinct MI300 146 billion transitors

AMD Pensando DPU, Webinar, Sep 23 explore.amd.com/mte/sept22-202… ImageImageImage =>
Building the Cloud-Native DC w/ AMD Pensando DPUs, Sep 23, 2022 explore.amd.com/mte/sept22-202…
Ciglio: 2nd Gen+
Salina: 3rd (800G)
MS Azure: Appliance, SSW
Oracle, IBM Cloud: NIC
VMware, Aug 30

servethehome.com/amd-pensando-g…

to acquire, Apr 4
Aug 21, 2020 • 152 tweets • 200 min read
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"Celebrating One Billion 7nm Chips: Why Scale Matters", TSMC Blog, Aug 20, 2020 tsmc.com/english/newsEv…
entered volume production in April 2018
100+ products
Automotive Quality System to the 7nm in 2019
Dry-Clean Technique for EUV Mask, Jul 2020 =>
"ASML unveils EUV Technology Training Center in Taiwan", Aug 20, 2020 asml.com/en/news/press-…
Tainan Science Park
ASML expects to develop 360 EUV engineers/year
18 months
An EUV training center in South Korea

TSMC continues to expand capacity, Aug 20 focustaiwan.tw/business/20200…
May 21, 2020 • 257 tweets • >60 min read
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"Enabling Domain-Specific Architectures with an Open-Source Soft-Core GPGPU", Heterogeneity in Computing WS, May 18, 2020
Video dropbox.com/s/6hpq13kf262c…
Fully Customizable
Optimized for FPGA
github.com/mbrandalero/FG…
mbrandalero.github.io
FGPU, FPGA 2016 isfpga.org/fpga2016/index… ImageImageImageImage =>
"Acceleration of Structural Analysis Simulations using CNN-based Auto-Tuning of Solver Tolerance", Fujitsu and U of Tokyo, iWAPT 2020, May 22, 2020
MP4 iwapt.org/2020/upload/da…
Slides iwapt.org/2020/upload/da…
AI inside HPC simulation
Incorporate AI inference at minimal overhead ImageImageImageImage
Feb 29, 2020 • 6 tweets • 5 min read
@O_FiberLady @ebiken OFCも規模の大きな展示会併設のようですし…
別件ですが
USENIX FAST, Feb 24-27, 2020 usenix.org/conference/fas…
USENIX NSDI, Feb 25-27, 2020 usenix.org/conference/nsd…
正式ペーパーと多くのスライドが公開です。
NSDI Best Paperの 1つ .@O_FiberLady @ebiken NANOGでの興味深い講演です
Comparing the Network Performance of AWS, Azure, GCP, IBM Cloud and Alibaba Cloud, Feb 2020
Everything You Always Wanted to Know About Optical Networking, Oct 2019
これはすごいです。
Nov 24, 2019 • 37 tweets • 53 min read
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"Automatic Throughput and Critical Path Analysis of x86 and ARM Assembly Kernels", PMBS 2019 conferences.computer.org/sc19w/2019/pdf…
Slides dcs.warwick.ac.uk/pmbs/pmbs19/PM…
Open Source Architecture Code Analyzer github.com/RRZE-HPC/OSACA
x86 and ARM
Best Late-Breaking Paper Award blogs.fau.de/hager/archives… ImageImageImageImage =>
"Performance Portability of a Wilson Dslash Stencil Operator Mini-App Using Kokkos and SYCL", Jefferson Lab, NVIDIA, Intel, Sandia, NERSC, P3HPC 2019
PDF conferences.computer.org/sc19w/2019/pdf…
Slides drive.google.com/file/d/1rBIzzd…
V100, K80
Skylake
KNL
Intel Gen9 GPU
oneAPI ImageImageImageImage
Sep 15, 2019 • 8 tweets • 7 min read
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"What's All This About Gallium Arsenide?", Seymour Cray, Distinguished Lecture, Supercomputing 1988, Nov 15, 1988 youtube.com/watch?v=8Z9VSt…
CRAY-3 (1988): 16,000 Mflops
CRAY-4 (1992): 128,000
CRAY-4 Module
CRAY-3: $10,000 (Brick)/$150, $300
CRAY-4: $5,000 ImageImageImageImage =>
手元の nCUBE関連：
nCUBE: Practical, High Performace Solutions (住商エレ、1990)
NCUBE 2: Scalar Supercomputer (住商電子システム)
ORACLE for Massively Paralle Systems 技術概要 (日本オラクル、1990)
スーパーコンピューティングに於ける新しい方向性 (NCUBE、1989)
nTOUCH (NCUBE, 1992) ImageImageImageImage
Jan 6, 2018 • 23 tweets • 22 min read
Meltdown, Spectreで学ぶ高性能コンピュータアーキテクチャ、 @dev_msyksphinz 、2018/1/6 msyksphinz.hatenablog.com/entry/2018/01/…
勉強になります
分岐予測
danluu.com/branch-predict…

博論、2015


アーキ比較の修論 =>
Ref
"Dynamic Branch Prediction with Perceptrons", HPCA 2001 cs.utexas.edu/~lin/papers/hp…
"Neural Methods for Dynamic Branch Prediction", ACM TOCS, Nov 2002 cs.utexas.edu/~lin/papers/to…
D. Jiménez, PhD Thesis, 2002 repositories.lib.utexas.edu/handle/2152/11…
cs.utexas.edu/~lin/
faculty.cse.tamu.edu/djimenez/