Oakleaf-FX ࣇࣝࣀ࣮ࢻ࡟ࡼࡿ HPCG ᐇ⾜⤖ᯝࡢᴫせ㸦2014ᖺ 10 ᭶኱つᶍ HPC ࢳࣕࣞࣥࢪ㸧୰ ᓥ ◊ ࿃ᮾி኱Ꮫ᝟ሗᇶ┙ࢭࣥࢱ࣮

1㸬HPCG ࡜ࡣ㸽ᮏ✏ࡣ 2014 ᖺ 10 ᭶ 30㹼31 ᪥࡟ᐇ᪋ࡉࢀࡓࠕ኱つᶍ HPC ࢳࣕࣞࣥࢪࠖ࡟࠾ࡅࡿ HPCG ᐇ⾜⤖ᯝࡢᴫせ࡟ࡘ࠸࡚㏙࡭ࡿࡶࡢ࡛࠶ࡿࠋࢫ࣮ࣃ࣮ࢥࣥࣆ࣮ࣗࢱࢩࢫࢸ࣒ࡢᛶ⬟ᣦᶆ࡜ࡋ࡚ࡣ Linpack ࡜࠸࠺ᐦ⾜ิࢆಀᩘ⾜ิ࡜ࡍࡿ኱つᶍ㐃❧୍ḟ᪉⛬ᘧࡢゎࢆồࡵࡿ࣋ࣥࢳ࣐࣮ࢡࡀࡇࢀࡲ࡛౑⏝ࡉࢀ࡚᮶࡚࠾ࡾ㸪1993 ᖺ࡟ጞࡲࡗࡓ TOP5001࡛ࡣୡ⏺ࡢࢫ࣮ࣃ࣮ࢥࣥࣆ࣮ࣗࢱࡢᛶ⬟ࡢࣛࣥ࢟ࣥࢢࡢ᝟ሗࢆᚓࡿࡇ࡜ࡀ࡛ࡁ
ࡿࠋTOP500 ࡣᖺ 2 ᅇ㸦11 ᭶ࡢ SC-XY㸦࢔࣓࡛ࣜ࢝㛤ദࡉࢀࡿ International Conference on High
Performance Computing, Networking, Storage and Analysis㸪XY㸸ᖺྕ㸧࡜ 6 ᭶ࡢ ISC-XY2㸦ࢻ࢖ࢶ࡛㛤ദࡉࢀࡿ International Supercomputing Conference㸧࡛᭦᪂ࡉࢀࡿࠋLinpack ࡛㧗ᛶ⬟ࢆฟࡍࡓࡵ࡟ࡣ࡛ࡁࡿࡔࡅ኱つᶍ࡞ၥ㢟ࢆゎࡃᚲせࡀ࠶ࡿࡀ㸪ィ⟬㔞ࡀᮍ▱ᩘࡢ 3 ஌࡟ẚ౛ࡍࡿࡓࡵ㸪PFLOPS ⣭ࡢࢩࢫࢸ࣒࡛ࡣࠕ᪥㸦day㸧ࠖࡢ࣮࢜ࢲ࣮ࡢィ⟬᫬㛫ࡀᚲせ࡜࡞ࡿࠋEFLOPS ⣭࡛ࡣࡇࢀࡀࠕ㐌ࠖ࠿ࡽࠕ᭶ࠖ࡬࡝ࢇ࡝ࢇ㛗ࡃ࡞ࡗ࡚࠸ࡃࡇ࡜ࡀண᝿ࡉࢀ࡚࠸ࡿࠋࢩࢫࢸ࣒ࡢᏳᐃᛶࡢ☜ㄆ࡟ࡣ㐺ࡋ࡚࠸ࡿࡀ㸪5 ᖺ⛬ᗘࡢ✌ാ᫬㛫ࡢ୰࡛ 1 ࣨ᭶ࢆᛶ⬟ィ࡟㈝ࡸࡍࡇ࡜ࡣ↓㥏࡛࠶ࡿ㸪࡜࠸࠺ពぢࡀᙉࡃ࡞ࡗ࡚᮶ࡓࠋ1 ࣨ᭶࡜࠸࠺ࡇ࡜࡟࡞ࡿ࡜㟁Ẽ௦ࡔࡅ࡛ࡶ൨༢఩㸦෇㸧ࡢ㈝⏝ࡀᚲせ࡟࡞ࡿࡢ࡛࠶ࡿࠋࡑࡇ࡛㸪㝈ࡽࢀࡓ㈨※ࢆ᭷ຠ࡟౑⏝ࡍࡿࡓࡵ࡟㸪▷᫬㛫࡛ຠ⋡ⓗ࡟ࢩࢫࢸ࣒ᛶ⬟ࢆィ࡛ࡁࡿ࣋ࣥࢳ࣐࣮ࢡᡭἲࡀࡇࡇᩘᖺồࡵࡽࢀ࡚ࡁࡓࠋࡲࡓ Linpack ࡛ᐇ᪋ࡋ࡚࠸ࡿィ⟬ࡣᐇ㝿ࡢࢫࣃࢥ࡛ࣥ✌ാࡋ࡚࠸ࡿ࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡜ࡶ኱ࡁ࡞㝸ࡓࡾࡀ࠶ࡾ㸪ࡼࡾᐇ࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡟㏆࠸࣋ࣥࢳ࣐࣮ࢡᡭἲࡢ☜❧ࡶేࡏ࡚㆟ㄽࡉࢀ࡚ࡁࡓࠋ
HPCG㸦High Performance Conjugate Gradients㸧3ࡣࡑࡢࡼ࠺࡞⫼ᬒ࠿ࡽ㛤Ⓨࡉࢀ㸪Linpack ࡀᐦ⾜ิࢯࣝࣂ࣮࡞ࡢ࡟ᑐࡋ࡚㸪HPCG ࡣ᭷㝈せ⣲ἲ࠿ࡽᚓࡽࢀࡿ␯⾜ิࢆᑐ㇟࡜ࡋࡓ⥺ᙧࢯࣝࣂ࣮࡛࠶ࡿࠋ୕ḟඖ࣏࢔ࢯࣥ᪉⛬ᘧࢆᕪศ᱁Ꮚࡢࡼ࠺࡞つ๎ⓗᙧ≧࡟࠾࠸࡚᭷㝈せ⣲ἲ࡟ࡼࡗ࡚
㞳ᩓ໬ࡋ࡚ᚓࡽࢀࡿ␯⾜ิࢆಀᩘ࡜ࡍࡿ㐃❧୍ḟ᪉⛬ᘧࢆᗄఱᏛⓗ࣐ࣝࢳࢢࣜࢵࢻ๓ฎ⌮㸦Geometric Multgrid Preconditioning㸧࡟ࡼࡿඹᙺ໙㓄ἲ㸦Conjugate Gradient Method㸧ࢆ౑⏝ࡋ࡚ゎ࠸࡚࠾ࡾ㸪㐃❧୍ḟ᪉⛬ᘧࢆゎ࠸࡚࠸ࡿ㒊ศࡢィ⟬ᛶ⬟㸦FLOPS ್㸧࡟ࡼࡗ࡚ᛶ⬟ࢆ⟬ฟࡍࡿ㸦ࡓࡔ⌧≧ࡢ࣮࡛ࣝࣝࡣィ⟬ࡢ‽ഛ࡟せࡍࡿ㒊ศࡢィ⟬᫬㛫ࡶ୍㒊ࡶồゎ㒊ศࡢィ⟬᫬㛫࡟ຍ⟬ࡋ࡚ FLOPS ್ࢆ⟬ฟࡍࡿࡇ࡜࡟࡞ࡗ࡚࠸ࡿࡼ࠺࡛࠶ࡿ㸧ࠋMultigrid ࡢ smoother ࡜ࡋ࡚ࡣGauss-Seidel ἲࡀ౑⏝ࡉࢀ࡚࠾ࡾ㸪ࢫࣞࢵࢻ୪ิ໬࡟ࡣ࣐ࣝࢳ࣮࢝ࣛἲ࡟ࡼࡿ࣮ࣜ࢜ࢲࣜࣥࢢ1

http://supercomputing.org/

2

http://www.isc-hpc.com/

3

http://hpcg-benchmark.org/

スーパーコンピューティングニュース- 16 -Vol.17,No.32015

ࡀ㐺⏝ࡉࢀ࡚࠸ࡿࠋ኱つᶍၥ㢟ྥࡅࡢ࣐ࣝࢳࢢࣜࢵࢻἲࢆ๓ฎ⌮ᡭἲ࡜ࡋ࡚᥇⏝ࡋ࡚࠸ࡿࡢ࡛㸪࣏ࢫࢺ࣌ࢱࢫࢣ࣮ࣝ㸪࢚ࢡࢧࢫࢣ࣮ࣝࡢࢩࢫࢸ࣒࡛ࡢ࢔ࣉࣜࢣ࣮ࢩࣙࣥࢆ⪃៖ࡍࡿ࡜㸪ࡼࡾᐇ⏝ⓗ࡞ᡭἲ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋィᡭἲ࡟ࡘ࠸࡚ࡣࡲࡔ᳨ウ୰ࡢẁ㝵࡛࠶ࡿࡀ㸪⌧ᅾࡣ᭱ప 60 ศᐇ⾜ࡍࡿࡇ࡜㸪࡜࡞ࡗ࡚࠾ࡾ㸪Linpack ࡜ẚ㍑ࡍࡿ࡜ࡔ࠸ࡪ▷࠸ࠋ
HPCG ࡢ࢔࢖ࢹ࢕࢔ࡀ᭱ึ࡟♧ࡉࢀࡓࡢࡣ 2013 ᖺ 6 ᭶ࡢ ISC’13㸦Leipzig, Germany㸧㸪SC13
㸦Denver㸧࡛ Ver.1.0 ࡀබ㛤ࡉࢀࡓࠋSC13 ࡛ࡢ࣑࣮ࢸ࢕ࣥࢢ㸪࣮࣡ࢡࢩࣙࢵࣉ࡟ࡼࡿពぢ஺᥮
࡞࡝ࢆ㏻ࡌ࡚㸪ィ᪉ἲࡢ࣮ࣝࣝ㸪ᐇ᪋⪅ࡀࢳ࣮ࣗࢽࣥࢢ࡛ࡁࡿ⟠ᡤࡸ㑅ᢥ࡛ࡁࡿ࢜ࣉࢩࣙࣥ

࡞࡝ࡶᅛࡲࡾࡘࡘ࠶ࡿࠋࣉࣟࢢ࣒ࣛࡣ C++࡛グ㏙ࡉࢀ࡚࠾ࡾ㸪ୖグ HP ࠿ࡽࢲ࣮࢘ࣥࣟࢻྍ⬟࡛࠶ࡿࠋIntel MKL㸪Nvidia GPU ➼࡟᭱㐺໬ࡉࢀࡓࣂ࣮ࢪࣙࣥࡶ㛤Ⓨ୰࡜ࡢࡇ࡜࡛࠶ࡿࠋ
ISC’14㸦Leipzig㸧࡛ึࡵ࡚ࣛࣥ࢟ࣥࢢ㸦15 ࢩࢫࢸ࣒㸧ࡀබ㛤ࡉࢀࡓࠋSC14 ࡛ࡣ 25 ࢩࢫࢸ࣒࡟ቑຍࡋ㸪ึࡵ࡚ Top 3 ࡢ⾲ᙲࡶ⾜ࢃࢀࡓࠋTop5 ࡢᴫせࡣ⾲ 1 ࡢ㏻ࡾ࡛࠶ࡿ
⾲ 1 HPCG ࡢୖ఩ 5 ࢩࢫࢸ࣒㸦SC14㸪2014 ᖺ 11 ᭶㸧System12345Tianhe-2ி
Titan
MiraPiz DaintTOP500
Ranking14256

HPCG(TFLOPS)
632461
322
167
105

Ratio
Linpack
1.8%
4.4%
1.8%
1.9%
1.7%

Ratio
Peak
1.1%
4.1%
1.2%
1.7%
1.3%

ྛࢩࢫࢸ࣒ࡢヲ⣽ࡣ TOP500 ࡢ HP㸪ᚋᥖࡢ⾲ 5 ࢆཧ↷ࡉࢀࡓ࠸ࡀ㸪Titan ࡜ Piz Daint ࡣ Intel
Xeon ࡜ NVIDIA Kepler ࡢ」ྜࢩࢫࢸ࣒㸪Mira ࡣ IBM BlueGene/Q ࡛࠶ࡿࠋ᭱ᚋࡢ 2 ิࡣ HPCG࣋ࣥࢳ࣐࣮ࢡࡢᛶ⬟ࡢ Linpack ᛶ⬟㸪ࣆ࣮ࢡᛶ⬟࡟ᑐࡍࡿẚ࡛࠶ࡿࠋHPCG ࡣ␯⾜ิࢆᑐ㇟࡜
ࡍࡿࡓࡵᑐࣆ࣮ࢡᛶ⬟ẚࡣᐦ⾜ิࢆᑐ㇟࡜ࡋࡓ Linpack ࡜ẚ㍑ࡋ࡚ప࠸ࠋࢳ࣮ࣗࢽࣥࢢ࡟ࡶ኱
ࡁࡃ౫Ꮡࡍࡿࡀ㸪ୖࡢ⾲࡛♧ࡋࡓࡼ࠺࡟ࠕிࠖ࡜ࠕTitan࡛ࠖࡣ TOP500 ࡜ HPCG ࡛ࡣ㡰఩ࡀධࢀ᭰ࢃࡗ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡿࠋ2㸬HPCG ᐇ⾜⤖ᯝ ௒ᅇࡣ 2014 ᖺ 10 ᭶ 30 ᪥࡟ᐇ᪋ࡉࢀࡓ኱つᶍ HPC ࢳࣕࣞࣥࢪ࡟࠾࠸࡚㸪Oakleaf-FX㸦Fujitsu
PRIMEHPC FX10㸧ࡢࣇࣝࣀ࣮ࢻ㸦4,800 ࣀ࣮ࢻ㸧ࢆ౑⏝ࡋ࡚ HPCG ࢆᐇ⾜ࡋࡓࠋᐇ⾜ࣉࣟࢢ࣒ࣛࡣ⌮໬Ꮫ◊✲ᡤィ⟬⛉Ꮫ◊✲ᶵᵓ࡟࠾࠸࡚ிࢥࣥࣆ࣮ࣗࢱྥࡅ࡟᭱㐺໬ࡉࢀࡓࡶࡢ㸦⾲ 1 ࡟♧ࡋࡓࡶࡢ࡜ྠࡌ㸧ࢆ౑⏝ࡋࡓ4ࠋ ௒ᅇࡣ㸪௨ୗࡢ 2 Ⅼࢆࣃ࣓࣮ࣛࢱ࡜ࡋ࡚ᵝࠎ࡞ࢣ࣮ࢫࢆᐇ᪋ࡋࡓࡀ㸪ࡑࡢ࠺ࡕ᭱㐺࡞⤖ᯝࢆᚓࡽࢀࡓࡶࡢࡢ୰࠿ࡽ࠸ࡃࡘ࠿ࡢィ⟬౛ࢆ⤂௓ࡍࡿ㸸࣭୪ิࣉࣟࢢ࣑ࣛࣥࢢࣔࢹࣝ㸦Flat MPI㸪Hybrid㸦HB㸧28㸪HB 44㸪HB 82㸪HB 161㸧࣭1-MPI ࣉࣟࢭࢫ࠶ࡓࡾၥ㢟ࢧ࢖ࢬ4

http://www.hpcg-benchmark.org/downloads/sc14/HPCG_on_the_K_computer.pdf

スーパーコンピューティングニュース- 
17 -Vol.17,No.3

2015

Oakleaf-FX ࡣྛィ⟬ࣀ࣮ࢻୖ࡟ 16 ࢥ࢔ࢆ᭷ࡋ࡚࠸ࡿࠋFlat MPI ࡣ㸪MPI ࡢࡳࢆ౑⏝ࡋ࡚୪ิ໬
ࡋࡓࡶࡢ࡛࠶ࡾ㸪ィ⟬ࣀ࣮ࢻୖࡢྛࢥ࢔ࢆ⊂❧ࡢ MPI ࣉࣟࢭࢫ࡜ࡋࡓࡶࡢ࡛࠶ࡿࠋࡑࢀ࡟ᑐࡋ࡚ HB MN ࡣ OpenMP+MPI ࡢࣁ࢖ࣈࣜࢵࢻ୪ิࣉࣟࢢ࣑ࣛࣥࢢࣔࢹࣝࢆ㐺⏝ࡋ࡚࠾ࡾ㸪
M=MPI ࣉࣟࢭࢫᙜࡾࢫࣞࢵࢻᩘ㸪N=ࣀ࣮ࢻෆ MPI ࣉࣟࢭࢫᩘ㸪࡛࠶ࡿࠋOakleaf-FX ࡛ࡣ 1 ࢥ
࢔ᙜ 1 ࢫࣞࢵࢻࡀୖ㝈࡛࠶ࡿࡢ࡛㸪M ࡜ N ࡢ✚ࡀ 16 ࡜࡞ࡿࡼ࠺࡟ྛࢣ࣮ࢫࢆタᐃࡋ࡚࠸ࡿࠋ
౛࠼ࡤ HB 82 ࡣ 8 ࢫࣞࢵࢻࡢ MPI ࣉࣟࢭࢫࡀࣀ࣮ࢻෆ࡟ 2 ࡘ࠶ࡿ㸪࡜࠸࠺ࡇ࡜࡟࡞ࡿࠋ
HB MN ࡟࠾࠸࡚㸪M ࡢ್ࡀ኱ࡁࡃ࡞ࡿ࡯࡝㸪ྠࡌィ⟬ᶵࣜࢯ࣮ࢫࢆ౑⏝ࡋ࡚ࡶ MPI ࣉࣟࢭࢫࡣᑡ࡞ࡃ࡞ࡿࡓࡵ㸪㏻ಙࡢ࣮࢜ࣂ࣮࣊ࢵࢻࡣῶᑡࡍࡿࡇ࡜ࡀண᝿ࡉࢀࡿࡀ㸪1 ࣉࣟࢭࢫᙜࡢࢹ࣮ࢱ㔞ࡣᴫࡋ࡚኱ࡁࡃ࡞ࡿࠋ
HPCG ࡛ࡣྛ MPI ࣉࣟࢭࢫ࠶ࡓࡾࡢၥ㢟ࢧ࢖ࢬࢆ nx㸪ny㸪nz ࡜࠸࠺ࣃ࣓࣮ࣛࢱ࡛ไᚚࡍࡿ
ࡇ࡜ࡀ࡛ࡁ㸪ࡇࢀࡣ X㸪Y㸪Z ᪉ྥࡢ⠇Ⅼᩘ࡟┦ᙜࡍࡿࠋࡋࡓࡀࡗ࡚㸪ྛ MPI ࣉࣟࢭࢫ࠶ࡓࡾၥ㢟ࢧ࢖ࢬࡣ nxnynz ࡛࠶ࡿࠋ௒ᅇࡣྛࢣ࣮ࢫ࡟࠾࠸࡚ nx=ny=nz ࡜ࡋ࡚ィ⟬ࢆᐇ᪋ࡋࡓࠋࡲࡓ㸪඲యࣔࢹࣝࡢ㓄⨨ࡶྛ᪉ྥ࡟࠾ࡅࡿࣉࣟࢭࢫᩘ㸦npx㸪npy㸪npz㸧࡟ࡼࡗ࡚ᐃࡵࡿࡇ࡜ࡀ
࡛ࡁࡿࠋ
⾲ 2 ࡣ MPI ࣉࣟࢭࢫ࠶ࡓࡾࡢၥ㢟ࢧ࢖ࢬࢆኚ໬ࡉࡏ࡚㸪4,800 ࣀ࣮ࢻ㸦76,800 ࢥ࢔㸧ࢆ౑⏝ࡋ࡚ HB 44 ࡟ࡼࡗ࡚ィ⟬ࡋࡓ౛࡛࠶ࡿࠋ୍⯡ⓗ࡟ 1 ࣉࣟࢭࢫ࠶ࡓࡾࡢၥ㢟つᶍࡀ኱ࡁ࠸᪉ࡀ
㏻ಙࡢ࣮࢜ࣂ࣮࣊ࢵࢻࡢᙳ㡪ࡀ┦ᑐⓗ࡟ᑡ࡞ࡃ࡞ࡿࡓࡵ㸪ࣀ࣮ࢻᩘࡀ኱ࡁ࠸ሙྜࡣ᭷฼࡛࠶ࡿ
ࡀ㸪㏫࡟࣓ࣔࣜ࡬ࡢ㈇ᢸࡀቑ࠼࡚ࣉࣟࢭࢫ࠶ࡓࡾࡢᛶ⬟ࡀపୗࡍࡿሙྜࡀ࠶ࡿࡓࡵ㸪᭱㐺್ࡢ㑅ᐃ࡟࠶ࡓࡗ࡚ࡣὀពࡀᚲせ࡛࠶ࡿࠋ⾲ 2 ࡢሙྜࡣ nx=ny=nz=144 ࡢሙྜ࡟᭱㐺್ࡀᚓࡽࢀ࡚
࠸ࡿࠋ⾲ 3 ࡣྛ୪ิࣉࣟࢢ࣑ࣛࣥࢢࣔࢹࣝ࡟࠾࠸࡚㸪᭱㐺࡞ၥ㢟ࢧ࢖ࢬࢆ౑⏝ࡋࡓሙྜࡢ 4,800
ࣀ࣮ࢻ㸦76,800 ࢥ࢔㸧࡟࠾ࡅࡿᐃ⤖ᯝ࡛࠶ࡿࠋၥ㢟ࢧ࢖ࢬࡣ␗࡞ࡗ࡚࠸ࡿࡀ TFLOPS ್࡛ࡣ

HB 44 ࡀ᭱ࡶⰋ࠸ᛶ⬟࡛࠶ࡿࠋ⾲ 2 HPCG ィ⟬⤖ᯝ㸦HB 44㸪Oakleaf-FX㸦4,800 ࣀ࣮ࢻ㸪76,800 ࢥ࢔㸧㸧㸪ၥ㢟ࢧ࢖ࢬࡢᙳ㡪nx, ny, nz

MPI ࣉࣟࢭࢫᩘྜィၥ㢟ࢧ࢖ࢬ

HPCG ᛶ⬟㸦TFLOPS㸧

136

19,20048,296,755,200

41.8

144

19,20057,330,892,800

44.8

152

19,20067,426,713,600

43.2

⾲ 3 HPCG ィ⟬⤖ᯝ㸦Oakleaf-FX㸦4,800 ࣀ࣮ࢻ㸪76,800 ࢥ࢔㸧࡟࠾ࡅࡿ᭱㐺್㸧᭱㐺
nx, ny, nz

MPI ࣉࣟࢭࢫᩘྜィၥ㢟ࢧ࢖ࢬ

HPCG ᛶ⬟㸦TFLOPS㸧

Flat MPI

104

76,80086,389,555,200

42.5

HB 2×813638,400

96,593,510,400

43.2

HB 4×4

144

19,20057,330,892,800

44.8

HB 8×2144

9,600

28,665,446,400

43.2

HB 16×1

144

4,800

14,332,723,200

39.5

スーパーコンピューティングニュース- 18 -Vol.17,No.32015

ࡲࡓ㸪⾲ 4 ࡣ HB 44 ࡟࠾࠸࡚ nx=ny=nz=144 ࡜ࡋ࡚ࣀ࣮ࢻᩘࢆ 64 ࣀ࣮ࢻ࠿ࡽ 4,800 ࣀ࣮ࢻࡲ࡛ኚ໬ࡉࡏࡓሙྜࡢィ⟬⤖ᯝ࡜㸪64 ࣀ࣮ࢻࢆつ‽࡜ࡋࡓ୪ิ໬ຠ⋡࡛࠶ࡿࠋ4,800 ࣀ࣮ࢻࡢሙ
ྜ࡛ࡶ 97㸣ࢆ㉸࠼ࡿࡼ࠺࡞㧗࠸୪ิ໬ຠ⋡ࡀᚓࡽࢀ࡚࠸ࡿࡀ㸪ࡇࡢ⌮⏤ࡣ㸪HPCG ࡣၥ㢟ࢆ᭱ᚋࡲ࡛ゎ࠸࡚࠸ࡿࢃࡅ࡛ࡣ࡞ࡃ㸪࠶ࡃࡲ࡛ࡶィ⟬ຠ⋡ࢆồࡵ࡚࠸ࡿࡓࡵ࡛࠶ࡿࠋ
⾲ 4 HPCG ィ⟬⤖ᯝ㸦HB 44㸪nx=ny=nz=144㸧㸪ࣀ࣮ࢻᩘ࡟ࡼࡿᛶ⬟ࡢኚ໬ࣀ࣮ࢻᩘMPI ࣉࣟࢭࢫᩘ64
512
2,048
4,800

256
2,048
8,192
19,200HPCG ᛶ⬟㸦TFLOPS㸧
0.614
4.91
19.244.8୪ิ໬ᛶ⬟㸦%㸧㸪
64 ࣀ࣮ࢻࡢ 100%
100.0
99.9
97.9
97.4

3㸬SC14 ࡟࠾ࡅࡿ⤖ᯝ ⾲ 5 ࡣ⾲ 1 ࡟♧ࡋࡓ㸪SC14 ࡟࠾ࡅࡿ HPCG ࣛࣥ࢟ࣥࢢࡢ⤖ᯝ㸦ᢤ⢋㸧࡛࠶ࡿࠋ25 ࢩࢫࢸ࣒ࡢ࠺ࡕ㸪Oakleaf-FX ࡣ 13 ఩࡜࡞ࡗ࡚࠸ࡿࠋࡇࡇ࡛㡰఩ࡑࡢࡶࡢ࡟ࡘ࠸࡚ㄽࡎࡿࡇ࡜ࡣ࠶ࡲࡾ
ព࿡ࡀ↓࠸ࡀ㸪TOP500 ࡛ 7 ఩㸪30 ఩࡜ Oakleaf-FX ࡼࡾࡶୖ఩ࡢࢩࢫࢸ࣒ࡼࡾࡶ㧗࠸್ࡀᚓࡽ
ࢀ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡿࠋ

ㅰ ㎡ ᮏィ⟬ࡢᐇ⾜࡟ᙜࡓࡗ࡚㸪ࣉࣟࢢ࣒ࣛࢆ㈚୚࠸ࡓࡔ࠸ࡓ⇃⏿Ύ༤ኈ㸪༡୍⏕Ặ㸦⌮໬Ꮫ◊✲ᡤィ⟬⛉Ꮫ◊✲ᶵᵓ㸧࡟῝⏒࡞ࡿㅰពࢆ⾲ࡍࡿࡶࡢ࡛࠶ࡿࠋ



スーパーコンピューティングニュース- 19 -Vol.17,No.32015⾲ 5 SC14 ࡟࠾ࡅࡿ HPCG ࣛࣥ࢟ࣥࢢ㸦ᢤ⢋㸧
SiteComputerCores

HPL TOP500
HPCG
Rmax Rank

Tianhe-2 NUDT, Xeon 12C
2.2GHz + Intel Xeon Phi 57C + 3,120,000 33.863
CustomRIKEN Advanced Inst forK computer, SPARC64 VIIIfx
2705,024 10.510
Comp Sci
2.0GHz, Tofu interconnect
Titan - Cray XK7 , Opteron 6274
3 DOE/SC/Oak Ridge Nat Lab 16C 2.200GHz, Cray Gemini
560,640 17.590
interconnect, NVIDIA K20x
DOE/SC/Argonne National
Mira - BlueGene/Q, Power BQC
4786,432 8.587
Laboratory
16C 1.60GHz, Custom
Swiss National
Piz Daint - Cray XC30, Xeon
5 Supercomputing Centre
E5-2670 8C 2.600GHz, Aries
115,984 6.271(CSCS)
interconnect , NVIDIA K20x
SuperMUC - iDataPlex
6 Leibniz Rechenzentrum
DX360M4, Xeon E5-2680 8C147,456 2.897
2.70GHz, Infiniband FDR
Edison - Cray XC30, Intel Xeon
7 DOE/SC/LBNL/NERSC
E5-2695v2 12C 2.4GHz, Aries
133,824 1.655
interconnect
TSUBAME 2.5 - Cluster
GSIC Center, Tokyo Institute Platform SL390s G7, Xeon
876,032 2.785
of Technology
X5670 6C 2.93GHz, Infiniband
QDR, NVIDIA K20x
iDataPlex DX360M4, Intel Xeon
Max-Planck-Gesellschaft
9E5-2680v2 10C 2.800GHz,
65,320 1.283
MPI/IPPInfiniband FDR
Curie thin nodes - Bullx B510,
10 CEA/TGCC-GENCIXeon E5-2680 8C 2.700GHz,77,184 1.359
Infiniband QDRInformation Technology
Oakleaf-FX - PRIMEHPC
13 Center, The University ofFX10, SPARC64 IXfx 16C
76,800 1.043
Tokyo
1.848GHz, Tofu interconnect
Stampede - PowerEdge C8220,
Texas Advanced Computing Xeon E5-2680 8C 2.700GHz,
14462,462 5.168
Center/Univ. of Texas
Infiniband FDR, Intel Xeon Phi
SE10PInternational Fusion Energy
Helios Bullx B510, Xeon
Research Centre (IFERC),
15
E5-2680 8C 2.700GHz,
70,560 1.237
EU(F4E) - Japan Broader
Infiniband QDRApproach collaboration
Cyberscience Center Tohoku
18NEC SX-ACE 4C+IXS
2,048 0.123
UniversityTSUBAME-KFC - LX
1U-4GPU/104Re-1G Cluster,
GSIC Center, Tokyo Institute24Intel Xeon E5-2620v2 6C
2,720 0.150
of Technology
2.100GHz, Infiniband FDR,
NVIDIA K20x
Cartesius - Bullx B515 cluster,Intel Xeon E5-2450v2 8C
25 SURFsara
3,036 0.154
2.5GHz, InfiniBand 4_ FDR,
Nvidia K40m
1 NSCC / Guangzhou



スーパーコンピューティングニュース-
20 -10.62340.461

20.32250.16760.105120.083

180.079130.073

270.061

260.051

360.04570.044300.043

N/A0.013

4350.004

419

0.003

Vol.17,No.3

2015