{"id":7386,"date":"2021-10-18T02:57:25","date_gmt":"2021-10-17T17:57:25","guid":{"rendered":"https:\/\/wp.study3.biz\/?p=7386"},"modified":"2025-12-13T17:23:36","modified_gmt":"2025-12-13T08:23:36","slug":"amd-epyc-7742-64-core-processor-x2-scockets-384gb-windows-10-pro%e3%81%a7%e5%86%86%e5%91%a8%e7%8e%87-pi-100%e5%84%84%e6%a1%81%e3%81%aebenchmark%e3%82%92%e5%8b%95%e4%bd%9c%e3%81%95%e3%81%9b%e3%81%a6","status":"publish","type":"post","link":"https:\/\/wp.study3.biz\/?p=7386","title":{"rendered":"\u7b2c2\u4e16\u4ee3 AMD EPYC 7742 64-Core Processor x2 Scockets 384GB Windows 10 Pro\u3067\u5186\u5468\u7387 Pi 100\u5104\u6841\u306eBenchmark\u3092\u52d5\u4f5c\u3055\u305b\u3066\u307f\u305f 100.399 sec"},"content":{"rendered":"<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: Sat Jun  5 05:15:42 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:    90.774 seconds  ( 1.513 minutes )<br \/>\nLarge Division&#8230;<br \/>\nTime:    4.732 seconds  ( 0.079 minutes )<br \/>\nInvSqrt(10005)&#8230;<br \/>\nTime:    3.135 seconds  ( 0.052 minutes )<br \/>\nLarge Multiply&#8230;<br \/>\nTime:    1.750 seconds  ( 0.029 minutes )<\/p>\n<p><strong>Pi:  100.399 seconds  ( 1.673 minutes )<\/strong><\/p>\n<p>Base Converting:<br \/>\nTime:    6.552 seconds  ( 0.109 minutes )<br \/>\nWriting Decimal Digits:<br \/>\nTime:    2.594 seconds  ( 0.043 minutes )<\/p>\n<p>Start Time: Sat Jun  5 05:15:42 2021<br \/>\nEnd Time:   Sat Jun  5 05:18:32 2021<\/p>\n<p>Total Computation Time:     106.953 seconds  ( 1.783 minutes )<br \/>\nStart-to-End Wall Time:     170.345 seconds  ( 2.839 minutes )<\/p>\n<p>CPU Utilization:        22261.94 %  +  700.75 % kernel overhead<br \/>\nMulti-core Efficiency:     86.96 %  +    2.74 % 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 \/>\n<strong>Processor(s):         AMD EPYC 7742 64-Core Processor<\/strong><br \/>\n<strong>Topology:             256 threads \/ 128 cores \/ 2 sockets \/ 4 NUMA nodes<\/strong><br \/>\nPhysical Memory:      412,316,860,416 ( 384 GiB)<br \/>\nCPU Base Frequency:   2,250,015,472 Hz<\/p>\n<p>Validation File: Pi &#8211; 20210605-051905.txt<\/p>\n<p>C:\\Users\\w10\\Desktop\\y-cruncher v0.7.8.9507><\/p>\n<p><strong>Pi:  100.399 seconds  ( 1.673 minutes )<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/06\/f021fd53ef668b4d1ac59240db5832ca.jpg\" alt=\"\" width=\"3840\" height=\"2160\" class=\"alignnone size-full wp-image-7397\" \/><br \/>\n<a href=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/06\/f021fd53ef668b4d1ac59240db5832ca.txt\">7742 x2 pi 100\u5104\u6841 100.399 sec<\/a><br \/>\n\u2190\u5c0f\u3055\u3044\u307b\u3069\u9ad8\u6027\u80fd<br \/>\n\u5186\u5468\u7387Pi\u306e100\u5104\u6841\u3067\u306eBenchmark(seconds)<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/06\/7742-x2-win10-100.399.jpg\" alt=\"\" width=\"932\" height=\"411\" class=\"alignnone size-full wp-image-7411\" \/><br \/>\n\u53c2\u8003<a href=\"http:\/\/www.numberworld.org\/y-cruncher\/\">\u30b5\u30a4\u30c8<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Constant: Pi Algorithm: Chudnovsky (1988) Decimal Digits: 10,000,000,000 Hexadecimal Digits: Disabled Computat &hellip; <a href=\"https:\/\/wp.study3.biz\/?p=7386\">\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":[30,18,10],"tags":[],"class_list":["post-7386","post","type-post","status-publish","format-standard","hentry","category-2-sockets","category-nvidia","category-windows"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/7386","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=7386"}],"version-history":[{"count":5,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/7386\/revisions"}],"predecessor-version":[{"id":28950,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/7386\/revisions\/28950"}],"wp:attachment":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}