{"id":2205,"date":"2015-02-12T14:14:39","date_gmt":"2015-02-12T05:14:39","guid":{"rendered":"http:\/\/www.cenav.org\/kdb\/?p=2205"},"modified":"2015-02-12T14:14:39","modified_gmt":"2015-02-12T05:14:39","slug":"openmp%e3%82%92%e7%94%a8%e3%81%84%e3%81%9fmpi%e9%80%9a%e4%bf%a1%e9%9a%a0%e8%94%bd%e6%89%8b%e6%b3%95%e3%81%ab%e3%82%88%e3%82%8b%e4%b8%a6%e5%88%97%e5%8c%96fft%e3%81%ae%e9%ab%98%e9%80%9f%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.cenav.org\/kdb\/?p=2205","title":{"rendered":"OpenMP\u3092\u7528\u3044\u305fMPI\u901a\u4fe1\u96a0\u853d\u624b\u6cd5\u306b\u3088\u308b\u4e26\u5217\u5316FFT\u306e\u9ad8\u901f\u5316"},"content":{"rendered":"<h3>\u6982\u8981<\/h3>\n<p>\u300c\u4eac\u300d\u3092\u7528\u3044\u3066\u5927\u898f\u6a21\u554f\u984c\u3092\u89e3\u6790\u3059\u308b\u4e0a\u3067\u3001\u4e26\u5217\u6570\u306b\u5bfe\u3059\u308b\u51e6\u7406\u6027\u80fd\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002\u7279\u306b\u3001\u89e3\u6790\u3092\u9ad8\u901f\u5316\u3057\u3066\u51e6\u7406\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u3001\u3042\u308b\u3044\u306f\u3001\u3088\u308a\u9577\u6642\u9593\u30b9\u30b1\u30fc\u30eb\u306e\u554f\u984c\u3092\u53d6\u308a\u6271\u3046\u4e0a\u3067\u306f\u3001\u554f\u984c\u898f\u6a21\u3092\u56fa\u5b9a\u3057\u3066\u4e26\u5217\u6570\u3092\u5897\u5927\u3059\u308b\u5f37\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u5411\u4e0a\u304c\u91cd\u8981\u306a\u8ab2\u984c\u3068\u306a\u308b\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u5f37\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3067\u306f\u4e26\u5217\u6570\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u6f14\u7b97\u306b\u6bd4\u3079\u3066\u901a\u4fe1\u306e\u30b3\u30b9\u30c8\u304c\u76f8\u5bfe\u7684\u306b\u5897\u52a0\u3059\u308b\u305f\u3081\u3001\u901a\u4fe1\u51e6\u7406\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308b\u3002\u3053\u3053\u3067\u306f\u3001OpenMP\u3092\u7528\u3044\u305fMPI\u901a\u4fe1\u96a0\u853d\u624b\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u91cd\u3044\u30c7\u30fc\u30bf\u8ee2\u7f6e\u901a\u4fe1\u3092\u542b\u3080\u4e26\u5217\u5316FFT\uff08\u9ad8\u901f\u30d5\u30fc\u30ea\u30a8\u5909\u63db\uff09\u306e\u5f37\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u5411\u4e0a\u3059\u308b\u9069\u7528\u4e8b\u4f8b\u3092\u793a\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u8a08\u7b97\u30e2\u30c7\u30eb<\/h3>\n<p>OpenMP\u3068MPI\u3092\u7528\u3044\u305f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u4e26\u5217\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u3092\u60f3\u5b9a\u3059\u308b\u3002MPI\u901a\u4fe1\u96a0\u853d\u3092\u884c\u308f\u306a\u3044\u5834\u5408\u306f\u3001\u3042\u308b\u30b9\u30ec\u30c3\u30c9\u304cMPI\u901a\u4fe1\u3092\u884c\u3046\u9593\uff08\u56f31\u3067\u306fcall MPI_commun\uff09\u3001\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306f\u5f85\u3061\u72b6\u614b\u3068\u306a\u308b\u3002\u305d\u3057\u3066\u3001\u901a\u4fe1\u5b8c\u4e86\u5f8c\u3001\u5168\u3066\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u540c\u6642\u306b\u6f14\u7b97\u306b\u53d6\u308a\u304b\u304b\u308b\uff08\u56f31\u3067\u306fcall indep_comput\uff09\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u5f93\u6765\u306e\u624b\u6cd5\u3067\u306f\u901a\u4fe1\u4e2d\u306e\u6f14\u7b97\u30b3\u30a2\u3001\u304a\u3088\u3073\u3001\u6f14\u7b97\u4e2d\u306e\u901a\u4fe1\u5e2f\u57df\u304c\u6d3b\u7528\u3055\u308c\u3066\u304a\u3089\u305a\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306b\u3042\u308b\u3002\u901a\u4fe1\u96a0\u853d\u3001\u3042\u308b\u3044\u306f\u3001\u901a\u4fe1\u3068\u6f14\u7b97\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3067\u306f\u3053\u306e\u7121\u99c4\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u51e6\u7406\u306e\u9ad8\u901f\u5316\u3092\u56f3\u308b\u3002<\/p>\n<p>OpenMP\u3092\u7528\u3044\u3066MPI\u901a\u4fe1\u306e\u96a0\u853d\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u6f14\u7b97\u51e6\u7406\u3092\u8a72\u5f53\u3059\u308b\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3059\u308b\u3082\u306e\u3068\u5229\u7528\u3057\u306a\u3044\u3082\u306e\u306b\u5206\u985e\u3057\u3001\u5f8c\u8005\u3092MPI\u901a\u4fe1\u3068\u540c\u6642\u306b\u51e6\u7406\u3059\u308b\u3002\u56f3\uff13\u306b3\u6b21\u5143\u30c7\u30fc\u30bf\u306b\u4e26\u5217\u53162\u6b21\u5143FFT\u3092\u9069\u7528\u3059\u308b\u5834\u5408\u306e\u6a21\u5f0f\u56f3\u3092\u793a\u3059\u3002\u901a\u5e38\u306e\u51e6\u7406\u3067\u306f(X,Y)\u65b9\u5411\u306b\u30c7\u30fc\u30bf\u8ee2\u7f6e\u901a\u4fe1\u3092\u884c\u306a\u3063\u3066\u30c7\u30fc\u30bf\u5206\u5272\u8ef8\u306e\u5207\u308a\u76f4\u3057\u3092\u884c\u3063\u3066\u304b\u3089\u5404\u65b9\u5411\u306bFFT\u51e6\u7406\u3092\u9069\u7528\u3059\u308b\u304c\u3001\u56f3\uff13\u3067\u306fZ\u65b9\u5411\u306b\u7570\u306a\u308b\u4f4d\u7f6e\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u30c7\u30fc\u30bf\u8ee2\u7f6e\u901a\u4fe1\u3068FFT\u51e6\u7406\u306b\u30c7\u30fc\u30bf\u4f9d\u5b58\u95a2\u4fc2\u304c\u7121\u3044\u3053\u3068\u306b\u7740\u76ee\u3057\u3001\u3053\u308c\u3089\u306e\u901a\u4fe1\u3068\u6f14\u7b97\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3059\u308b\u3002\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u56f3\uff12\u306b\u793a\u3059\u304c\u3001\u307e\u305a\u3001MASTER\u6307\u793a\u69cb\u6587\uff08\u3042\u308b\u3044\u306fSINGLE\u6307\u793a\u69cb\u6587\uff09\u306b\u3088\u308a\u901a\u4fe1\u30b9\u30ec\u30c3\u30c9\u3092\u6307\u5b9a\u3057\u3001\u305d\u306e\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306f\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3057\u306a\u3044\u6f14\u7b97\u3092\u540c\u6642\u306b\u51e6\u7406\u3059\u308b\u3002\u3053\u306e\u969b\u3001\u6f14\u7b97\u51e6\u7406\u306edo\u30eb\u30fc\u30d7\u5206\u5272\u306fDYNAMIC\u3068\u3057\u3001\u52d5\u7684\u8ca0\u8377\u5206\u6563\u306b\u3088\u3063\u3066\u6f14\u7b97\u51e6\u7406\u3092\u901a\u4fe1\u30b9\u30ec\u30c3\u30c9\u4ee5\u5916\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u632f\u308a\u5206\u3051\u3001\u901a\u4fe1\u7d42\u4e86\u5f8c\u306f\u901a\u4fe1\u30b9\u30ec\u30c3\u30c9\u3092\u6f14\u7b97\u306b\u5fa9\u5e30\u3055\u305b\u308b\u3002\u307e\u305f\u3001\u6f14\u7b97\u304c\u8907\u6570\u306edo\u30eb\u30fc\u30d7\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u5834\u5408\u306b\u306f\u3001!$OMP END DO\u306e\u6307\u793a\u6587\u3092\u7528\u3044\u308b\u3068\u3001\u6697\u9ed9\u306b\u30b9\u30ec\u30c3\u30c9\u9593\u306e\u30d0\u30ea\u30a2\u540c\u671f\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u901a\u4fe1\u30b9\u30ec\u30c3\u30c9\u3068\u540c\u671f\u304c\u3068\u3089\u308c\u3066\u3057\u307e\u3046\u3002\u305d\u3053\u3067\u3001NOWAIT\u6307\u793a\u53e5\u3092\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u5fc5\u8981\u306a\u30d0\u30ea\u30a2\u540c\u671f\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff08\u203b\uff11\uff09\u3002\u6700\u5f8c\u306b\u3001\u901a\u4fe1\u30c7\u30fc\u30bf\u304c\u5229\u7528\u3055\u308c\u308b\u524d\u306b!$OMP END DO\u306e\u6307\u793a\u6587\u306b\u3088\u308b\u540c\u671f\u51e6\u7406\u3001\u3042\u308b\u3044\u306f\u3001!$OMP BARRIER\u6307\u793a\u6587\u306b\u3088\u308b\u660e\u793a\u7684\u306a\u540c\u671f\u51e6\u7406\u3092\u884c\u3044\u3001\u901a\u4fe1\u5b8c\u4e86\u5f8c\u306b\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3059\u308b\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u3002\u4ee5\u4e0a\u306e\u51e6\u7406\u306b\u3088\u3063\u3066\u3001\u5f93\u6765\u306e\u624b\u6cd5\u3067\u306f\u4f7f\u308f\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u6f14\u7b97\u30b3\u30a2\u3068\u901a\u4fe1\u5e2f\u57df\u3092\u30d5\u30eb\u306b\u6d3b\u7528\u3057\u3066\u901a\u4fe1\u51e6\u7406\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6291\u5236\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002<\/p>\n<p>\u56f3\uff11\u3001\uff12\u3088\u308a\u3001\u901a\u4fe1\u3068\u6f14\u7b97\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3092\u7528\u3044\u305f\u51e6\u7406\u6642\u9593\u306e\u898b\u7a4d\u3082\u308a\u304c\u7b97\u51fa\u3067\u304d\u308b\u3002\u56f31\u306b\u304a\u3044\u3066N\u3092OpenMP\u30b9\u30ec\u30c3\u30c9\u6570\u3001\u901a\u4fe1\u96a0\u853d\u3092\u884c\u308f\u306a\u3044\u5834\u5408\u306e\u901a\u4fe1\u6642\u9593\u3092T\u3001 \u6f14\u7b97\u6642\u9593\u3092C\u3068\u3059\u308b\u3068\u3001\u7dcf\u6f14\u7b97\u30b3\u30b9\u30c8\u306fNC\u3001\u7d4c\u904e\u6642\u9593\u306fC+T\u3067\u3042\u308b\u3002\u4e00\u65b9\u3001\u56f3\uff12\u306e\u901a\u4fe1\u96a0\u853d\u3092\u884c\u3046\u5834\u5408\u306f\u3001(N-1)T\u5206\u306e\u6f14\u7b97\u304c\u901a\u4fe1\u3068\u540c\u6642\u306b\u51e6\u7406\u3055\u308c\u3001NC-(N-1)T\u5206\u306e\u6f14\u7b97\u304c\u901a\u4fe1\u5b8c\u4e86\u5f8c\u306b\u51e6\u7406\u3055\u308c\u308b\u3002\u3053\u306e\u7d50\u679c\u3001\u5168\u51e6\u7406\u6642\u9593\u306e\u7406\u8ad6\u63a8\u5b9a\u5024\u306fC+T\/N\u3068\u306a\u308b\uff08\u203b\uff12\uff09\u3002\u3053\u306e\u3053\u3068\u306f\u3001MPI\u901a\u4fe1\u304c\u6f14\u7b97\u306b\u3088\u3063\u3066\u5341\u5206\u306b\u96a0\u853d\u3055\u308c\u305f\u5834\u5408\u3001MPI\u901a\u4fe1\u30b3\u30b9\u30c8\u3092\u30b9\u30ec\u30c3\u30c9\u6570\u5206\u306e\u4e00\u307e\u3067\u524a\u6e1b\u3067\u304d\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u203b\uff11\u305f\u3060\u3057\u3001NOWAIT\u6307\u793a\u53e5\u3092\u633f\u5165\u3059\u308b\u3068\u3001\u5fc5\u305a\u3057\u3082\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u901a\u308a\u306e\u6f14\u7b97\u9806\u5e8f\u3092\u4fdd\u8a3c\u3057\u306a\u3044\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u4f8b\u3048\u3070\u3001\u56f32\u306e\u4f8b\u3067\u306fdo\u30eb\u30fc\u30d7\u304c\u4e00\u3064\u3060\u3051\u3060\u304c\u3001\u8907\u6570\u306edo\u30eb\u30fc\u30d7\u3092\u540c\u6642\u306bNOWAIT\u6307\u793a\u53e5\u3092\u7528\u3044\u3066\u4e26\u5217\u5316\u3059\u308b\u5834\u5408\u3092\u8003\u3048\u308b\u3002\u3053\u306e\u5834\u5408\u3001\u3042\u308b\u30eb\u30fc\u30d7\u306e\u5b9f\u884c\u9014\u4e2d\u3067\u3082\u3001\u5148\u306b\u62c5\u5f53\u5206\u306e\u6f14\u7b97\u3092\u7d42\u3048\u305f\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306f\u6b21\u306e\u30eb\u30fc\u30d7\u306e\u8a08\u7b97\u3092\u958b\u59cb\u3057\u3066\u3057\u307e\u3046\u3002\u305d\u306e\u305f\u3081\u3001\u8907\u6570\u306edo\u30eb\u30fc\u30d7\u306e\u9593\u306b\u4f9d\u5b58\u95a2\u4fc2\u304c\u306a\u3044\u3088\u3046\u306b\u914d\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<p>\u203b\uff12\u305f\u3060\u3057\u3001\u3053\u306e\u898b\u7a4d\u306fT&lt;NC\/(N-1)\u306e\u3068\u304d\u3001\u3059\u306a\u308f\u3061\u3001\u901a\u4fe1\u96a0\u853d\u306b\u5341\u5206\u306a\u6f14\u7b97\u51e6\u7406\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3092\u8003\u3048\u3066\u304a\u308a\u3001\u3055\u3089\u306b\u3001\u30ed\u30fc\u30c9\u30a4\u30f3\u30d0\u30e9\u30f3\u30b9\u306b\u3088\u308b\u51e6\u7406\u6642\u9593\u306e\u5897\u52a0\u7b49\u306f\u7121\u8996\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig1.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2206\" src=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig1-560x336.png\" alt=\"fig1\" width=\"560\" height=\"336\" srcset=\"https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig1-560x336.png 560w, https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig1.png 1000w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>\u56f3\uff11\uff1aMPI\u901a\u4fe1\u96a0\u853d\u3092\u884c\u308f\u306a\u3044\u5834\u5408\u306e\u7591\u4f3c\u30b3\u30fc\u30c9\uff08Fortran\u30d9\u30fc\u30b9\uff09\u3068\u52d5\u4f5c\u306e\u6a21\u5f0f\u56f3\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig2.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2207\" src=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig2-560x336.png\" alt=\"fig2\" width=\"560\" height=\"336\" srcset=\"https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig2-560x336.png 560w, https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig2.png 1000w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u56f3\uff12\uff1aMPI\u901a\u4fe1\u96a0\u853d\u3092\u884c\u3063\u305f\u5834\u5408\u306e\u7591\u4f3c\u30b3\u30fc\u30c9\uff08Fortran\u30d9\u30fc\u30b9\uff09\u3068\u52d5\u4f5c\u306e\u6a21\u5f0f\u56f3\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fft.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-2211\" src=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fft.png\" alt=\"fft\" width=\"425\" height=\"335\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u56f3\uff13\uff1a3\u6b21\u5143\u30c7\u30fc\u30bf\u306b\u304a\u3051\u308b2\u6b21\u5143\u4e26\u5217\u5316FFT\u3092\u9069\u7528\u3059\u308b\u5834\u5408\u306e\u6a21\u5f0f\u56f3\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u9069\u7528\u4e8b\u4f8b<\/h3>\n<p>\u30d7\u30e9\u30ba\u30de\u4e71\u6d41\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9GKV[1]\u306e\u9ad8\u901f\u5316\u306e\u305f\u3081\u306bMPI\u901a\u4fe1\u96a0\u853d\u624b\u6cd5\u3092\u9069\u7528\u3057\u305f[2]\u3002GKV\u3067\u306f5\u6b21\u5143\u7a7a\u9593(x,y,z,v,w)\u306b\u304a\u3051\u308b\u30d7\u30e9\u30ba\u30de\u306e\u30c0\u30a4\u30ca\u30df\u30af\u30b9\u3092\u5dee\u5206\u6cd5\u30fb\u30b9\u30da\u30af\u30c8\u30eb\u6cd5\u3092\u4f75\u7528\u3057\u3066\u89e3\u304f\u3002\u3053\u306e\u969b\u306b\u3001(x,y)\u65b9\u5411\u306e\u307f\u3092\u30b9\u30da\u30af\u30c8\u30eb\u65b9\u3067\u53d6\u308a\u6271\u3046\u305f\u3081\u3001\u56f3\uff13\u306e\u6a21\u5f0f\u56f3\u306e\u3088\u3046\u306b2\u6b21\u5143FFT\u3092\u4ed6\u306e\u6b21\u5143\u306e\u30b0\u30ea\u30c3\u30c9\u6570\u5206\u3060\u3051\u8907\u6570\u56de\u51e6\u7406\u3059\u308b\u3002\u4ee5\u4e0b\u3067\u306f\u3001(X,Y)\u65b9\u5411\u306e\u4e26\u52172\u6b21\u5143FFT\u30921\u6b21\u5143FFT\u3068\u8ee2\u7f6e\u901a\u4fe1\uff08MPI_ALLTOALL\uff09\u3092\u5229\u7528\u3057\u3066\u5b9f\u88c5\u3057\u3001Z\u65b9\u5411\uff08\u5b9f\u969b\u306b\u306f(z,v,w)\u65b9\u5411\uff09\u306b\u8907\u6570\u56de\u306e\u51e6\u7406\u3092\u884c\u3046\u4e8b\u4f8b\u3092\u8003\u3048\u308b\u3002\u4e26\u52172\u6b21\u5143FFT\u306b\u304a\u3044\u3066\u30011\u6b21\u5143FFT\u3068\u8ee2\u7f6e\u901a\u4fe1\u306f\u30c7\u30fc\u30bf\u4f9d\u5b58\u95a2\u4fc2\u304c\u3042\u308a\u975e\u53ef\u63db\u3067\u3042\u308b\u304c\u3001Z\u65b9\u5411\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7570\u306a\u308b\u8907\u6570\u306e\u4e26\u52172\u6b21\u5143FFT\u3092\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u5316\u3057\u3066\u51e6\u7406\u3059\u308b\u3053\u3068\u30671\u6b21\u5143FFT\u3068\u8ee2\u7f6e\u901a\u4fe1\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3092\u884c\u3046\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u8a08\u7b97\u6761\u4ef6<\/h3>\n<p>\u5b9f\u884c\u74b0\u5883\uff1aPRIMEHPC FX10\uff08\u6771\u4eac\u5927\u5b66 Oakleaf-FX\uff09<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\uff1aFortran<\/p>\n<p>\u30b3\u30f3\u30d1\u30a4\u30e9\uff1a\u5bcc\u58eb\u901a\u793e\u88fd\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30e9\uff08mpifrtpx\uff09<\/p>\n<p>\u30b3\u30f3\u30d1\u30a4\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\uff1a-Kfast,openmp<\/p>\n<p>FFT\u30e9\u30a4\u30d6\u30e9\u30ea\uff1aFFTW3<\/p>\n<p>\u8a08\u7b97\u898f\u6a21\uff1a\u683c\u5b50\u70b9\u6570512\u00d7512\u30012048\u7d44\u306e2\u6b21\u5143\u30b9\u30da\u30af\u30c8\u30eb\u6cd5\u6f14\u7b97\uff08\u8a08\u7b97\u306e\u6d41\u308c\u3068\u3057\u3066\u306f\u3001\u4e26\u52172\u6b21\u5143\u500d\u7cbe\u5ea6\u8907\u7d20\u5b9fFFT\u2192\u5b9f\u7a7a\u9593\u3067\u306e\u7a4d\u548c\u6f14\u7b97\u2192\u4e26\u52172\u6b21\u5143\u500d\u7cbe\u5ea6\u5b9f\u8907\u7d20FFT\uff09<\/p>\n<p>\u4e26\u5217\u5316\uff1aFFT\u3092\u9069\u7528\u3059\u308b2\u6b21\u5143\u7a7a\u9593\u3092Transpose-split\u6cd5\u3067\u4e26\u5217\u5316\u3002<\/p>\n<p>\u4e26\u5217\u6570\uff1a1\u30ce\u30fc\u30c9\u5f53\u305f\u308a1 MPI\u30d7\u30ed\u30bb\u30b9\u30fb16 OpenMP\u30b9\u30ec\u30c3\u30c9\u3067\u56fa\u5b9a\u3057\u3001\u30ce\u30fc\u30c9\u6570\u30924\u304b\u308964\u307e\u3067\uff08\u30b3\u30a2\u6570\u306b\u3057\u306664\u304b\u30891024\u307e\u3067\uff09\u5909\u5316\u3055\u305b\u305f\u5834\u5408\u306e\u5f37\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u6027\u80fd\u3092\u8abf\u3079\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u8a08\u7b97\u7d50\u679c<\/h3>\n<p>\u56f34\u306e\u51e6\u7406\u6642\u9593\u306e\u6bd4\u8f03\u304b\u3089\u5206\u304b\u308b\u901a\u308a\u3001\u901a\u4fe1\u3068\u6f14\u7b97\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3092\u884c\u3046\u3053\u3068\u3067\u3001MPI\u901a\u4fe1\u6642\u9593\u304c\u5b9f\u8cea\u7684\u306b\u96a0\u853d\u3055\u308c\u3001\u51e6\u7406\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u3066\u3044\u308b\u3002\u524d\u7bc0\u3067\u8b70\u8ad6\u3055\u308c\u305f\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u6642\u306e\u51e6\u7406\u6642\u9593\u306e\u7406\u8ad6\u63a8\u5b9a\u5024C+T\/N\u304c\u826f\u3044\u898b\u7a4d\u3082\u308a\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002\u307e\u305f\u3001\u56f35\u306b\u793a\u3059\u52a0\u901f\u7387\u306e\u63a8\u79fb\u304b\u3089\u3001\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u306b\u3088\u308a\u4e26\u5217\u51e6\u7406\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u898b\u3066\u53d6\u308c\u308b\u3002\u3055\u3089\u306b\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u306b\u3088\u308b\u9ad8\u901f\u5316\u7387\uff08\u56f36\uff09\u3092\u898b\u308b\u3068\u3001\u3070\u3089\u3064\u304d\u306f\u3042\u308b\u3082\u306e\u306e\u3001\u4eca\u56de\u8a08\u6e2c\u3057\u305f\u7bc4\u56f2\u3067\u306fMPI\u30d7\u30ed\u30bb\u30b9\u3092\u5897\u5927\u3055\u305b\u3066\u3044\u304f\u307b\u3069\u306b\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u306e\u52b9\u679c\u304c\u5897\u5927\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u5206\u304b\u308b\u3002\u3053\u308c\u306f\u3001\u4e26\u5217\u6570\u304c\u9ad8\u3044\u307b\u3069\u8a08\u7b97\u5168\u4f53\u306b\u5360\u3081\u308b\u901a\u4fe1\u306e\u5272\u5408\u304c\u5897\u3048\u3066\u3044\u304f\u305f\u3081\u3067\u3042\u308b\u3002\u4ee5\u4e0a\u304b\u3089\u3001OpenMP\u3092\u7528\u3044\u305fMPI\u901a\u4fe1\u96a0\u853d\u624b\u6cd5\u304c\u4e26\u5217\u51e6\u7406\u306e\u9ad8\u901f\u5316\u306b\u52b9\u679c\u7684\u3067\u3042\u308b\u3068\u3044\u3046\u7d50\u679c\u304c\u5f97\u3089\u308c\u305f\u3002\u7279\u306b\u3001\u4eca\u56de\u306e\u3088\u3046\u306a\u901a\u4fe1\u30b9\u30ec\u30c3\u30c9\u3092\u7528\u3044\u305f\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u624b\u6cd5\u306f\u3001\u975e\u540c\u671fMPI\u901a\u4fe1\u3060\u3051\u3067\u306a\u304fMPI_ALLTOALL\u306e\u3088\u3046\u306a\u540c\u671fMPI\u901a\u4fe1\u306b\u5bfe\u3057\u3066\u3082\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig3.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2208\" src=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig3-560x336.png\" alt=\"fig3\" width=\"560\" height=\"336\" srcset=\"https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig3-560x336.png 560w, https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig3.png 1000w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>\u56f33. MPI\u30d7\u30ed\u30bb\u30b9\u6570\u306b\u5bfe\u3059\u308b\u51e6\u7406\u6642\u9593\u306e\u63a8\u79fb\u3002\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u6642\u306e\u7406\u8ad6\u63a8\u5b9a\u5024\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u306a\u3057\u306e\u901a\u4fe1\u6642\u9593T\u3001\u6f14\u7b97\u6642\u9593C\u3001\u30b9\u30ec\u30c3\u30c9\u6570N\u3068\u3057\u3066C+T\/N\u306b\u3088\u308a\u7b97\u51fa\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig4.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2209\" src=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig4-560x336.png\" alt=\"fig4\" width=\"560\" height=\"336\" srcset=\"https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig4-560x336.png 560w, https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig4.png 1000w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>\u56f34. MPI\u30d7\u30ed\u30bb\u30b9\u6570\u306b\u5bfe\u3059\u308b\u52a0\u901f\u7387\uff08\uff1d\u51e6\u7406\u901f\u5ea6\uff0f\u4e26\u5217\u5316\u3057\u306a\u3044\u5834\u5408\u306e\u51e6\u7406\u901f\u5ea6\uff09\u306e\u63a8\u79fb\u3002\u7406\u60f3\u52a0\u901f\u7387\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3042\u308a\u306e\u5834\u5408\u306e4 MPI\u30d7\u30ed\u30bb\u30b9\u3067\u306e\u51e6\u7406\u901f\u5ea6\u3092\u57fa\u6e96\u3068\u3057\u3066\u8868\u793a\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig5.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-2210\" src=\"http:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig5-560x336.png\" alt=\"fig5\" width=\"560\" height=\"336\" srcset=\"https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig5-560x336.png 560w, https:\/\/www.cenav.org\/kdb\/wp-content\/uploads\/2015\/02\/fig5.png 1000w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>\u56f35. MPI\u30d7\u30ed\u30bb\u30b9\u6570\u306b\u5bfe\u3059\u308b\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u306b\u3088\u308b\u9ad8\u901f\u5316\u7387\uff08\uff1d\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u3042\u308a\u306e\u51e6\u7406\u901f\u5ea6\uff0f\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u306a\u3057\u306e\u51e6\u7406\u901f\u5ea6\uff09\u306e\u63a8\u79fb\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u554f\u3044\u5408\u308f\u305b\u5148<\/h3>\n<pre>idomura.yasuhiro_at_jaea.go.jp\u3000\uff08_at_\u306f\u30a2\u30c3\u30c8\u30de\u30fc\u30af\u306b\u7f6e\u63db\u3057\u3066\u304f\u3060\u3055\u3044\uff09<\/pre>\n<h3>\u53c2\u8003\u6587\u732e<\/h3>\n<p>[1] T.-H. Watanabe and H. Sugama, Nucl. Fusion 46, 24 (2006).<\/p>\n<p>[2] S. Maeyama et al., Plasma Fusion Res. 8, 1403150 (2013).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u300c\u4eac\u300d\u3092\u7528\u3044\u3066\u5927\u898f\u6a21\u554f\u984c\u3092\u89e3\u6790\u3059\u308b\u4e0a\u3067\u3001\u4e26\u5217\u6570\u306b\u5bfe\u3059\u308b\u51e6\u7406\u6027\u80fd\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002\u7279\u306b\u3001\u89e3\u6790\u3092\u9ad8\u901f\u5316\u3057\u3066\u51e6\u7406\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u3001\u3042\u308b\u3044\u306f\u3001\u3088\u308a\u9577\u6642\u9593\u30b9\u30b1\u30fc\u30eb\u306e\u554f\u984c\u3092\u53d6\u308a\u6271\u3046\u4e0a\u3067\u306f\u3001\u554f\u984c\u898f\u6a21\u3092\u56fa\u5b9a\u3057 [<a title=\"\u4f1a\u54e1\u767b\u9332\u304c\u5fc5\u8981\u3067\u3059\" href=\"https:\/\/www.cenav.org\/kdb\/?p=2205\">\u5168\u6587\u3092\u8aad\u3080<\/a>]<\/p>\n","protected":false},"author":260,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[273,271],"tags":[],"_links":{"self":[{"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=\/wp\/v2\/posts\/2205"}],"collection":[{"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=\/wp\/v2\/users\/260"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2205"}],"version-history":[{"count":3,"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=\/wp\/v2\/posts\/2205\/revisions"}],"predecessor-version":[{"id":2220,"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=\/wp\/v2\/posts\/2205\/revisions\/2220"}],"wp:attachment":[{"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cenav.org\/kdb\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}