{"id":6834,"date":"2021-09-03T01:59:06","date_gmt":"2021-09-02T16:59:06","guid":{"rendered":"https:\/\/wp.study3.biz\/?p=6834"},"modified":"2025-12-13T17:26:59","modified_gmt":"2025-12-13T08:26:59","slug":"amd-epyc-7742-64-core-processor-2-sockets-%e5%86%86%e5%91%a8%e7%8e%87pi%e3%81%ae250%e5%84%84%e6%a1%81%e3%81%a7%e3%81%aebenchmark%e3%82%92windows10-pro%e3%81%a7%e7%a2%ba%e8%aa%8d%e3%81%97%e3%81%a6","status":"publish","type":"post","link":"https:\/\/wp.study3.biz\/?p=6834","title":{"rendered":"\u7b2c2\u4e16\u4ee3 AMD EPYC 7742 64-Core Processor 2 sockets \u5186\u5468\u7387Pi\u306e250\u5104\u6841\u3067\u306eBenchmark\u3092Windows10 Pro\u3067\u78ba\u8a8d\u3057\u3066\u307f\u305f 265.909 seconds"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/05\/4faf176c07396e701303e1263d896fd7.jpg\" alt=\"\" width=\"3840\" height=\"2160\" class=\"alignnone size-full wp-image-6843\" \/><\/p>\n<p>Constant:   Pi<br \/>\nAlgorithm:  Chudnovsky (1988)<\/p>\n<p>Decimal Digits:       25,000,000,000<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: Mon May  3 17:29:40 2021<\/p>\n<p>Working Memory&#8230;   116 GiB  (locked, spread: 99%\/2)<br \/>\nTwiddle Tables&#8230;   292 MiB  (locked, spread: 100%\/2)<\/p>\n<p>Begin Computation:<\/p>\n<p>Series CommonP2B3&#8230;  1,762,841,746 terms  (Expansion Factor = 2.995)<br \/>\nTime:    243.498 seconds  ( 4.058 minutes )<br \/>\nLarge Division&#8230;<br \/>\nTime:    10.789 seconds  ( 0.180 minutes )<br \/>\nInvSqrt(10005)&#8230;<br \/>\nTime:    7.514 seconds  ( 0.125 minutes )<br \/>\nLarge Multiply&#8230;<br \/>\nTime:    4.100 seconds  ( 0.068 minutes )<\/p>\n<p><strong>Pi:  265.909 seconds  ( 4.432 minutes )<\/strong><\/p>\n<p>Base Converting:<br \/>\nTime:    18.383 seconds  ( 0.306 minutes )<br \/>\nWriting Decimal Digits:<br \/>\nTime:    6.505 seconds  ( 0.108 minutes )<\/p>\n<p>Start Time: Mon May  3 17:29:40 2021<br \/>\nEnd Time:   Mon May  3 17:36:56 2021<\/p>\n<p>Total Computation Time:     284.294 seconds  ( 4.738 minutes )<br \/>\nStart-to-End Wall Time:     435.860 seconds  ( 7.264 minutes )<\/p>\n<p>CPU Utilization:        22824.66 %  +  383.62 % kernel overhead<br \/>\nMulti-core Efficiency:     89.16 %  +    1.50 % kernel overhead<\/p>\n<p>Last Decimal Digits:  Pi<br \/>\n2448547079 5329693979 7145627081 9204187454 9483487803  :  24,999,999,950<br \/>\n1309759846 5364560010 7388984278 8403481193 9913806533  :  25,000,000,000<\/p>\n<p>Spot Check: Good through 25,000,000,000<\/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 \/ 4 NUMA nodes<br \/>\nPhysical Memory:      549,755,813,888 ( 512 GiB)<br \/>\nCPU Base Frequency:   2,250,038,160 Hz<\/p>\n<p>Validation File: Pi &#8211; 20210503-173810.txt<\/p>\n<p>C:\\Users\\w10\\Desktop\\y-cruncher v0.7.8.9507><br \/>\n<a href=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/05\/fd3a8dc0dac1a0dfecf804435907a85b.txt\">amd epyc 7742 x2 win10 pro pi 250\u61b6\u6841 benchmark 265.909 sec<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Constant: Pi Algorithm: Chudnovsky (1988) Decimal Digits: 25,000,000,000 Hexadecimal Digits: Disabled Computat &hellip; <a href=\"https:\/\/wp.study3.biz\/?p=6834\">\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-6834","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\/6834","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=6834"}],"version-history":[{"count":3,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/6834\/revisions"}],"predecessor-version":[{"id":28962,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/6834\/revisions\/28962"}],"wp:attachment":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}