{"id":8219,"date":"2021-12-20T04:07:39","date_gmt":"2021-12-19T19:07:39","guid":{"rendered":"https:\/\/wp.study3.biz\/?p=8219"},"modified":"2025-12-13T17:19:35","modified_gmt":"2025-12-13T08:19:35","slug":"amd-epyc-7742-64-core-processor-x2%e5%80%8b128-core-256threads-512gb-windows-11-pro%e3%81%a7-y-cruncher-v0-7-8-9507-%e5%86%86%e5%91%a8%e7%8e%87pi-100%e5%84%84%e6%a1%81%e3%81%a7%e3%81%aebenchmark","status":"publish","type":"post","link":"https:\/\/wp.study3.biz\/?p=8219","title":{"rendered":"\u7b2c2\u4e16\u4ee3 AMD EPYC 7742 64-Core Processor x2\u500b128-core 256threads 512GB Windows 11 Pro\u3067 y-cruncher v0.7.8.9507 \u5186\u5468\u7387Pi 100\u5104\u6841\u3067\u306eBenchmark\u3092\u52d5\u4f5c\u3055\u305b\u3066\u307f\u305f 100.316 seconds"},"content":{"rendered":"<p>\u5186\u5468\u7387Pi 100\u5104\u6841\u3067\u306eBenchmark 100.316 seconds<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/08\/9df095dd2441bf45cdbe081a30563e23.jpg\" alt=\"\" width=\"3840\" height=\"2160\" class=\"alignnone size-full wp-image-8224\" \/><\/p>\n<p>Constant:   Pi<br \/>\nAlgorithm:  Chudnovsky (1988)<\/p>\n<p>Decimal Digits:       10,000,000,000<br \/>\nHexadecimal Digits:   Disabled<\/p>\n<p>Computation Mode:     Ram Only<br \/>\nMulti-Threading:      Cilk Plus Work-Stealing  ->  256 \/ 256<\/p>\n<p>Start Time: Wed Aug  4 18:21:31 2021<\/p>\n<p>Working Memory&#8230;  46.5 GiB  (locked, spread: 99%\/2)<br \/>\nTwiddle Tables&#8230;   286 MiB  (locked, spread: 100%\/2)<\/p>\n<p>Begin Computation:<\/p>\n<p>Series CommonP2B3&#8230;  705,136,706 terms  (Expansion Factor = 2.911)<br \/>\nTime:    91.123 seconds  ( 1.519 minutes )<br \/>\nLarge Division&#8230;<br \/>\nTime:    4.483 seconds  ( 0.075 minutes )<br \/>\nInvSqrt(10005)&#8230;<br \/>\nTime:    3.061 seconds  ( 0.051 minutes )<br \/>\nLarge Multiply&#8230;<br \/>\nTime:    1.641 seconds  ( 0.027 minutes )<\/p>\n<p><strong>Pi:  100.316 seconds  ( 1.672 minutes )<\/strong><\/p>\n<p>Base Converting:<br \/>\nTime:    6.481 seconds  ( 0.108 minutes )<br \/>\nWriting Decimal Digits:<br \/>\nTime:    2.564 seconds  ( 0.043 minutes )<\/p>\n<p>Start Time: Wed Aug  4 18:21:31 2021<br \/>\nEnd Time:   Wed Aug  4 18:24:25 2021<\/p>\n<p>Total Computation Time:     106.798 seconds  ( 1.780 minutes )<br \/>\nStart-to-End Wall Time:     173.897 seconds  ( 2.898 minutes )<\/p>\n<p>CPU Utilization:        22324.27 %  +  802.56 % kernel overhead<br \/>\nMulti-core Efficiency:     87.20 %  +    3.14 % kernel overhead<\/p>\n<p>Last Decimal Digits:  Pi<br \/>\n9763261541 1423749758 2083180752 2573977719 9605119144  :  9,999,999,950<br \/>\n9403994581 8580686529 2375008092 3106244131 4758821220  :  10,000,000,000<\/p>\n<p>Spot Check: Good through 10,000,000,000<\/p>\n<p>Version:              0.7.8.9507 (Windows\/19-ZN2 ~ Kagari)<br \/>\nProcessor(s):         AMD EPYC 7742 64-Core Processor<br \/>\nTopology:             256 threads \/ 128 cores \/ 2 sockets \/ 2 NUMA nodes<br \/>\nPhysical Memory:      549,755,813,888 ( 512 GiB)<br \/>\nCPU Base Frequency:   2,250,030,240 Hz<\/p>\n<p>Validation File: Pi &#8211; 20210804-182500.txt<\/p>\n<p>C:\\Users\\yh001\\Desktop\\y-cruncher v0.7.8.9507><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/08\/3098624606016df44a56fe3d227ad7aa.jpg\" alt=\"\" width=\"1382\" height=\"618\" class=\"alignnone size-full wp-image-8228\" \/><br \/>\n<a href=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/08\/9df095dd2441bf45cdbe081a30563e23.txt\">epyc 7742 x2 pi 100\u5104\u6841\u3000100.316seconds<\/a><br \/>\n\u95a2\u9023<a href=\"http:\/\/www.numberworld.org\/y-cruncher\/\">\u30b5\u30a4\u30c8<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5186\u5468\u7387Pi 100\u5104\u6841\u3067\u306eBenchmark 100.316 seconds Constant: Pi Algorithm: Chudnovsky (1988) Decimal Digits: 10,000,000,00 &hellip; <a href=\"https:\/\/wp.study3.biz\/?p=8219\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[30,10],"tags":[],"class_list":["post-8219","post","type-post","status-publish","format-standard","hentry","category-2-sockets","category-windows"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/8219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8219"}],"version-history":[{"count":5,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/8219\/revisions"}],"predecessor-version":[{"id":28936,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/8219\/revisions\/28936"}],"wp:attachment":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}