{"id":17698,"date":"2015-05-21T12:50:40","date_gmt":"2015-05-21T11:50:40","guid":{"rendered":"https:\/\/fortran.uk\/?page_id=17698"},"modified":"2015-09-07T14:19:16","modified_gmt":"2015-09-07T13:19:16","slug":"fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k","status":"publish","type":"page","link":"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/","title":{"rendered":"Polyhedron Fortran Benchmarks: 64-bit Linux on Intel Core i5 2500k"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nAbsoft(AP)<\/i><\/b>
\n15.0.0<\/small><\/span><\/td>\n		Absoft<\/i><\/b>
\n15.0.0<\/small><\/span><\/td>\n		G95<\/i><\/b>
\n0.93<\/small><\/span><\/td>\n		GFortran<\/i><\/b>
\n4.9<\/small><\/span><\/td>\n		Intel(AP)<\/i><\/b>
\n15.0<\/small><\/span><\/td>\n		Intel<\/i><\/b>
\n15.0<\/small><\/span><\/td>\n		Lahey<\/i><\/b>
\n8.10b<\/small><\/span><\/td>\n		NAG<\/i><\/b>
\n6.0<\/small><\/span><\/td>\n		Oracle<\/i><\/b>
\n8.6<\/small><\/span><\/td>\n		PGI<\/i><\/b>
\n14.9<\/small><\/span><\/td>\n<\/tr>\n
AC<\/i><\/b><\/span><\/strong><\/em><\/td>\n4.49<\/span><\/td>\n4.53<\/span><\/td>\n9.60<\/span><\/td>\n5.72<\/span><\/td>\n4.79<\/span><\/td>\n4.70<\/span><\/td>\n8.00<\/span><\/td>\n6.51<\/span><\/td>\n21.99<\/span><\/td>\n5.83<\/span><\/td>\n<\/tr>\n
AERMOD<\/i><\/b><\/span><\/strong><\/em><\/td>\n10.95<\/span><\/td>\n10.69<\/span><\/td>\n25.99<\/span><\/td>\n14.89<\/span><\/td>\n11.56<\/span><\/td>\n10.61<\/span><\/td>\n11.27<\/span><\/td>\n16.93<\/span><\/td>\n10.30<\/span><\/td>\n10.55<\/span><\/td>\n<\/tr>\n
AIR<\/i><\/b><\/span><\/strong><\/em><\/td>\n1.37<\/span><\/td>\n2.72<\/span><\/td>\n5.95<\/span><\/td>\n2.86<\/span><\/td>\n0.98<\/span><\/td>\n2.26<\/span><\/td>\n2.71<\/span><\/td>\n4.17<\/span><\/td>\n2.51<\/span><\/td>\n2.88<\/span><\/td>\n<\/tr>\n
CAPACITA<\/i><\/b><\/span><\/strong><\/em><\/td>\n16.98<\/span><\/td>\n17.82<\/span><\/td>\n26.83<\/span><\/td>\n17.65<\/span><\/td>\n17.92<\/span><\/td>\n16.79<\/span><\/td>\n19.94<\/span><\/td>\n20.48<\/span><\/td>\n21.56<\/span><\/td>\n14.48<\/span><\/td>\n<\/tr>\n
CHANNEL2<\/i><\/b><\/span><\/strong><\/em><\/td>\n81.85<\/span><\/td>\n81.14<\/span><\/td>\n272.72<\/span><\/td>\n82.98<\/span><\/td>\n85.58<\/span><\/td>\n84.03<\/span><\/td>\n122.19<\/span><\/td>\n117.59<\/span><\/td>\n84.83<\/span><\/td>\n84.08<\/span><\/td>\n<\/tr>\n
DODUC<\/i><\/b><\/span><\/strong><\/em><\/td>\n16.88<\/span><\/td>\n16.97<\/span><\/td>\n24.05<\/span><\/td>\n17.08<\/span><\/td>\n13.59<\/span><\/td>\n13.58<\/span><\/td>\n17.45<\/span><\/td>\n21.40<\/span><\/td>\n14.15<\/span><\/td>\n16.07<\/span><\/td>\n<\/tr>\n
FATIGUE2<\/i><\/b><\/span><\/strong><\/em><\/td>\n58.79<\/span><\/td>\n53.79<\/span><\/td>\n374.38<\/span><\/td>\n64.80<\/span><\/td>\n50.23<\/span><\/td>\n50.55<\/span><\/td>\n110.88<\/span><\/td>\n102.98<\/span><\/td>\n75.28<\/span><\/td>\n81.18<\/span><\/td>\n<\/tr>\n
GAS_DYN2<\/i><\/b><\/span><\/strong><\/em><\/td>\n73.20<\/span><\/td>\n68.06<\/span><\/td>\n320.04<\/span><\/td>\n82.46<\/span><\/td>\n54.69<\/span><\/td>\n53.62<\/span><\/td>\n107.03<\/span><\/td>\n152.29<\/span><\/td>\n84.39<\/span><\/td>\n78.13<\/span><\/td>\n<\/tr>\n
INDUCT2<\/i><\/b><\/span><\/strong><\/em><\/td>\n28.44<\/span><\/td>\n67.19<\/span><\/td>\n147.53<\/span><\/td>\n65.59<\/span><\/td>\n26.42<\/span><\/td>\n63.33<\/span><\/td>\n93.29<\/span><\/td>\n117.01<\/span><\/td>\n125.91<\/span><\/td>\n112.96<\/span><\/td>\n<\/tr>\n
LINPK<\/i><\/b><\/span><\/strong><\/em><\/td>\n5.22<\/span><\/td>\n5.20<\/span><\/td>\n6.21<\/span><\/td>\n4.95<\/span><\/td>\n4.84<\/span><\/td>\n4.84<\/span><\/td>\n5.67<\/span><\/td>\n5.72<\/span><\/td>\n5.11<\/span><\/td>\n5.56<\/span><\/td>\n<\/tr>\n
MDBX<\/i><\/b><\/span><\/strong><\/em><\/td>\n7.13<\/span><\/td>\n8.17<\/span><\/td>\n8.68<\/span><\/td>\n7.16<\/span><\/td>\n3.45<\/span><\/td>\n5.71<\/span><\/td>\n7.85<\/span><\/td>\n8.00<\/span><\/td>\n7.41<\/span><\/td>\n8.03<\/span><\/td>\n<\/tr>\n
MP_PROP_DESIGN<\/i><\/b><\/span><\/strong><\/em><\/td>\n23.82<\/span><\/td>\n71.65<\/span><\/td>\n419.95<\/span><\/td>\n129.64<\/span><\/td>\n18.98<\/span><\/td>\n56.55<\/span><\/td>\n126.05<\/span><\/td>\n218.65<\/span><\/td>\n161.97<\/span><\/td>\n78.57<\/span><\/td>\n<\/tr>\n
NF<\/i><\/b><\/span><\/strong><\/em><\/td>\n7.67<\/span><\/td>\n7.68<\/span><\/td>\n13.40<\/span><\/td>\n6.99<\/span><\/td>\n7.10<\/span><\/td>\n7.04<\/span><\/td>\n10.36<\/span><\/td>\n8.39<\/span><\/td>\n8.16<\/span><\/td>\n7.56<\/span><\/td>\n<\/tr>\n
PROTEIN<\/i><\/b><\/span><\/strong><\/em><\/td>\n19.44<\/span><\/td>\n18.96<\/span><\/td>\n27.43<\/span><\/td>\n18.87<\/span><\/td>\n17.85<\/span><\/td>\n17.81<\/span><\/td>\n35.68<\/span><\/td>\n17.97<\/span><\/td>\n20.44<\/span><\/td>\n20.38<\/span><\/td>\n<\/tr>\n
RNFLOW<\/i><\/b><\/span><\/strong><\/em><\/td>\n15.68<\/span><\/td>\n15.64<\/span><\/td>\n25.90<\/span><\/td>\n11.98<\/span><\/td>\n9.35<\/span><\/td>\n11.30<\/span><\/td>\n14.58<\/span><\/td>\n14.68<\/span><\/td>\n15.72<\/span><\/td>\n14.78<\/span><\/td>\n<\/tr>\n
TEST_FPU2<\/i><\/b><\/span><\/strong><\/em><\/td>\n33.56<\/span><\/td>\n47.66<\/span><\/td>\n103.38<\/span><\/td>\n42.00<\/span><\/td>\n29.98<\/span><\/td>\n38.13<\/span><\/td>\n61.17<\/span><\/td>\n71.33<\/span><\/td>\n57.41<\/span><\/td>\n41.51<\/span><\/td>\n<\/tr>\n
TFFT2<\/i><\/b><\/span><\/strong><\/em><\/td>\n52.81<\/span><\/td>\n53.21<\/span><\/td>\n60.04<\/span><\/td>\n42.15<\/span><\/td>\n53.38<\/span><\/td>\n53.52<\/span><\/td>\n55.74<\/span><\/td>\n57.13<\/span><\/td>\n55.07<\/span><\/td>\n54.21<\/span><\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
Geometric Mean<\/b><\/i><\/span><\/strong><\/td>\n16.85<\/span><\/td>\n20.08<\/span><\/td>\n43.13<\/span><\/td>\n20.89<\/span><\/td>\n14.40<\/span><\/td>\n17.72<\/span><\/td>\n26.07<\/span><\/td>\n27.97<\/span><\/td>\n25.04<\/span><\/td>\n21.49<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Compiler Switches<\/strong><\/span><\/td>\n<\/tr>\n
Absoft(AP)<\/strong><\/td>\naf90 -m64 -mavx -O5 -speed_math=10 -march=core -xINTEGER (These settings enable auto-parallelization, see below)<\/td>\n<\/tr>\n
Absoft<\/strong><\/td>\naf90 -m64 -mavx -O4 -speed_math=10 -march=core -xINTEGER<\/td>\n<\/tr>\n
G95<\/strong><\/td>\ng95 -march=nocona -ffast-math -funroll-loops -O3<\/td>\n<\/tr>\n
GFortran<\/strong><\/td>\ngfortran -ffast-math -funroll-loops -O3<\/td>\n<\/tr>\n
Intel(AP)<\/strong><\/td>\nifort -O3 -fast -parallel -ipo (These settings enable auto-parallelization, see below)<\/td>\n<\/tr>\n
Intel<\/strong><\/td>\nifort -O3 -fast -ipo<\/td>\n<\/tr>\n
Lahey<\/strong><\/td>\nlf95 –fast -static -x –<\/td>\n<\/tr>\n
NAG<\/strong><\/td>\nnagfor -O4 -s -v -V<\/td>\n<\/tr>\n
PGI<\/strong><\/td>\npgf95 -V -fast -Mipa=fast,inline -Msmartalloc -Mfprelaxed -Mstack_arrays<\/td>\n<\/tr>\n
Oracle
\n<\/strong><\/td>\n		sunf95 -fast -xtarget=nehalem -xipo=2 -m64 -xvector=simd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
Notes<\/strong><\/span><\/td>\n<\/tr>\n
All figures are Execution Times in Seconds – measured on a machine with a Core i5 2500k 3.30GHz processor, running at stock speed, with 16 GBytes memory, and running 64-bit Scientific Linux 6 (a near-clone of Red Hat Enterprise Linux 6). Each figure is the average over at least 10 runs (many more for some). Measurement error is typically <1%. Green cells highlight figures within 10% of the fastest. Red cells indicate figures which are more than 150% of the fastest.So far as possible, we have used the compiler switches which give the best overall results. We have not attempted to tune individual benchmarks, and, in particular cases, different switch settings may give better results.The settings used for the Intel and Absoft compilers enable autoparallelization. Autoparallelization settings are not used on any other compilers because we found that they produced no significant performance benefits on this benchmark set.Thanks are due to Jos Bergervoet for permission to use his CAPACITA benchmark, to Quetzal Associates for permission to use their CHANNEL, FATIGUE, GAS_DYN, INDUCT, PROTEIN and RNFLOW benchmarks, to David Frank for his TEST_FPU benchmark, to Anthony Falzone for the use of MP_PROP_DESIGN, and to Ted Addison of McVehil-Monnett Associates for permission to use AERMOD, an air quality model used by the US Environmental Protection Agency.All the benchmarks have been modified slightly to fit into our benchmarking harness.The NF benchmark uses “nested factorization”, a little known but very effective iterative linear solver for huge finite difference matrices. A paper describing nested factorization, and comparing it to other methods is available here<\/a>.<\/p>\n

Other benchmark sets:<\/p>\n

Intel\/Windows<\/a><\/p>\n

AMD\/Windows<\/a><\/p>\n

AMD\/Linux<\/a><\/p>\n

 <\/p>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Return to Fortran Compiler Comparisons homepage<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Absoft(AP) 15.0.0 Absoft 15.0.0 G95 0.93 GFortran 4.9 Intel(AP) 15.0 Intel 15.0 Lahey 8.10b NAG 6.0 Oracle 8.6 PGI 14.9 AC 4.49 4.53 9.60 5.72 4.79 4.70 8.00 6.51 21.99 5.83 AERMOD 10.95 10.69 25.99 14.89 11.56 10.61 11.27 16.93 10.30 10.55 AIR 1.37 2.72 5.95 2.86 0.98 2.26 2.71 4.17 2.51 2.88 CAPACITA 16.98 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":17475,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":[],"yoast_head":"\nPolyhedron Fortran Benchmarks: 64-bit Linux on Intel Core i5 2500k - Fortran UK<\/title>\n<meta name=\"description\" content=\"Polyhedron benchmarks: a comparison of the performance of various Linux Fortran compilers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polyhedron Fortran Benchmarks: 64-bit Linux on Intel Core i5 2500k - Fortran UK\" \/>\n<meta property=\"og:description\" content=\"Polyhedron benchmarks: a comparison of the performance of various Linux Fortran compilers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/\" \/>\n<meta property=\"og:site_name\" content=\"Fortran UK\" \/>\n<meta property=\"article:modified_time\" content=\"2015-09-07T13:19:16+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/\",\"url\":\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/\",\"name\":\"Polyhedron Fortran Benchmarks: 64-bit Linux on Intel Core i5 2500k - Fortran UK\",\"isPartOf\":{\"@id\":\"https:\/\/fortran.uk\/#website\"},\"datePublished\":\"2015-05-21T11:50:40+00:00\",\"dateModified\":\"2015-09-07T13:19:16+00:00\",\"description\":\"Polyhedron benchmarks: a comparison of the performance of various Linux Fortran compilers.\",\"breadcrumb\":{\"@id\":\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/fortran.uk\/historic-tables\/compiler-comparisons\/fortran-execution-time-benchmarks-64-bit-scientific-linux-intel-core-i5-2500k\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/fortran.uk\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Historic Benchmark Tables\",\"item\":\"https:\/\/fortran.uk\/historic-tables\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ZZZ OLD VERSION!! 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