Difference between revisions of "HCL Cluster Specifications"
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Revision as of 11:31, 22 August 2010
Contents
Cluster Specifications
| Name | Make/Model | IP | Processor | Front Side Bus | L2 Cache | RAM | HDD 1 | HDD 2 | NIC | Rack |
| hclswitch1 | Cisco Catalyst 3560G | 192.168.21.252 | N/A | N/A | N/A | N/A | N/A | N/A | 24 x Gigabit | 42 |
| hclswitch2 | Cisco Catalyst 3560G | 192.168.21.253 | N/A | N/A | N/A | N/A | N/A | N/A | 24 x Gigabit | 41 |
| N/A | APC Smart UPS 1500 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1 – 2 |
| Hcl01 (NIC1) | Dell Poweredge 750 | 192.168.21.3 | 3.4 Xeon | 800MHz | 1MB | 1GB | 80GB SATA | 250GB SATA | 2 x Gigabit | 3 |
| Hcl01 (NIC2) | |
192.168.21.103 | |
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3 |
| Hcl02 (NIC1) | Dell Poweredge 750 | 192.168.21.4 | 3.4 Xeon | 800MHz | 1MB | 1GB | 80GB SATA | 250GB SATA | 2 x Gigabit | 4 |
| Hcl02 (NIC2) | |
192.168.21.104 | |
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4 |
| Hcl03 (NIC1) | Dell Poweredge 750 | 192.168.21.5 | 3.4 Xeon | 800MHz | 1MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 5 |
| Hcl03 (NIC2) | |
192.168.21.105 | |
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5 |
| Hcl04 (NIC1) | Dell Poweredge 750 | 192.168.21.6 | 3.4 Xeon | 800MHz | 1MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 6 |
| Hcl04 (NIC2) | |
192.168.21.106 | |
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6 |
| Hcl05 (NIC1) | Dell Poweredge SC1425 | 192.168.21.7 | 3.6 Xeon | 800MHz | 2MB | 256MB | 80GB SATA | N/A | 2 x Gigabit | 7 |
| Hcl05 (NIC2) | |
192.168.21.107 | |
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7 |
| Hcl06 (NIC1) | Dell Poweredge SC1425 | 192.168.21.8 | 3.0 Xeon | 800MHz | 2MB | 256MB | 80GB SATA | N/A | 2 x Gigabit | 8 |
| Hcl06 (NIC2) | |
192.168.21.108 | |
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8 |
| Hcl07(NIC1) | Dell Poweredge 750 | 192.168.21.9 | 3.4 Xeon | 800MHz | 1MB | 256MB | 80GB SATA | N/A | 2 x Gigabit | 9 |
| Hcl07 (NIC2) | |
192.168.21.109 | |
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9 |
| Hcl08 (NIC1) | Dell Poweredge 750 | 192.168.21.10 | 3.4 Xeon | 800MHz | 1MB | 256MB | 80GB SATA | N/A | 2 x Gigabit | 10 |
| Hcl08 (NIC2) | |
192.168.21.110 | |
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10 |
| Hcl09 (NIC1) | IBM E-server 326 | 192.168.21.11 | 1.8 AMD Opteron | 1GHz | 1MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 11 |
| Hcl09 (NIC2) | |
192.168.21.111 | |
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11 |
| Hcl10 (NIC1) | IBM E-server 326 | 192.168.21.12 | 1.8 AMD Opteron | 1GHz | 1MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 12 |
| Hcl10 (NIC2) | |
192.168.21.112 | |
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12 |
| Hcl11 (NIC1) | IBM X-Series 306 | 192.168.21.13 | 3.2 P4 | 800MHz | 1MB | 512MB | 80GB SATA | N/A | 2 x Gigabit | 13 |
| Hcl11 (NIC2) | |
192.168.21.113 | |
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13 |
| Hcl12 (NIC1) | HP Proliant DL 320 G3 | 192.168.21.14 | 3.4 P4 | 800MHz | 1MB | 512MB | 80GB SATA | N/A | 2 x Gigabit | 14 |
| Hcl12 (NIC2) | |
192.168.21.114 | |
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14 |
| Hcl13 (NIC1) | HP Proliant DL 320 G3 | 192.168.21.15 | 2.9 Celeron | 533MHz | 256KB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 15 |
| Hcl13 (NIC2) | |
192.168.21.115 | |
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15 |
| Hcl14 (NIC1) | HP Proliant DL 140 G2 | 192.168.21.16 | 3.4 Xeon | 800MHz | 1MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 16 |
| Hcl14 (NIC2) | |
192.168.21.116 | |
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16 |
| Hcl15 (NIC1) | HP Proliant DL 140 G2 | 192.168.21.17 | 2.8 Xeon | 800MHz | 1MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 17 |
| Hcl15 (NIC2) | |
192.168.21.117 | |
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17 |
| Hcl16 (NIC1) | HP Proliant DL 140 G2 | 192.168.21.18 | 3.6 Xeon | 800MHz | 2MB | 1GB | 80GB SATA | N/A | 2 x Gigabit | 18 |
| Hcl16 (NIC2) | |
192.168.21.118 | |
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18 |
Cluster Benchmarks
Stream
Cluster Performance
---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Number of processors = 18 Array size = 2000000 Offset = 0 The total memory requirement is 824.0 MB ( 45.8MB/task) You are running each test 10 times -- The *best* time for each test is used *EXCLUDING* the first and last iterations ---------------------------------------------------- Your clock granularity appears to be less than one microsecond Your clock granularity/precision appears to be 1 microseconds ---------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 24589.1750 0.0235 0.0234 0.0237 Scale: 24493.9786 0.0237 0.0235 0.0245 Add: 27594.1797 0.0314 0.0313 0.0315 Triad: 27695.7938 0.0313 0.0312 0.0315 ----------------------------------------------- Solution Validates! -----------------------------------------------
Individual Node Performance
hcl01.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 8386 microseconds. (= 8386 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2615.4617 0.0125 0.0122 0.0132 Scale: 2609.2783 0.0125 0.0123 0.0133 Add: 3046.4707 0.0161 0.0158 0.0168 Triad: 3064.7322 0.0160 0.0157 0.0166 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl02.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 7790 microseconds. (= 7790 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2740.6840 0.0117 0.0117 0.0120 Scale: 2745.3930 0.0117 0.0117 0.0117 Add: 3063.1599 0.0157 0.0157 0.0157 Triad: 3075.3572 0.0156 0.0156 0.0159 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl03.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 8382 microseconds. (= 8382 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2788.6728 0.0115 0.0115 0.0115 Scale: 2722.0144 0.0118 0.0118 0.0121 Add: 3266.6166 0.0148 0.0147 0.0150 Triad: 3287.4249 0.0146 0.0146 0.0147 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl04.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 8378 microseconds. (= 8378 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2815.4071 0.0114 0.0114 0.0114 Scale: 2751.5270 0.0116 0.0116 0.0117 Add: 3260.1979 0.0148 0.0147 0.0150 Triad: 3274.2183 0.0147 0.0147 0.0150 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl05.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 14916 microseconds. (= 14916 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1581.8068 0.0203 0.0202 0.0204 Scale: 1557.1081 0.0207 0.0206 0.0215 Add: 1807.7015 0.0266 0.0266 0.0266 Triad: 1832.9646 0.0263 0.0262 0.0265 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl06.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 14824 microseconds. (= 14824 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1558.3835 0.0206 0.0205 0.0206 Scale: 1550.3951 0.0207 0.0206 0.0209 Add: 1863.4239 0.0258 0.0258 0.0259 Triad: 1885.3916 0.0255 0.0255 0.0259 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl07.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 13642 microseconds. (= 13642 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1759.4014 0.0183 0.0182 0.0186 Scale: 1740.2731 0.0184 0.0184 0.0185 Add: 2036.4962 0.0236 0.0236 0.0238 Triad: 2045.5920 0.0235 0.0235 0.0235 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl08.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 13476 microseconds. (= 13476 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1809.6454 0.0177 0.0177 0.0177 Scale: 1784.8271 0.0179 0.0179 0.0179 Add: 2085.3320 0.0231 0.0230 0.0232 Triad: 2095.7094 0.0231 0.0229 0.0239 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl09.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 2 ------------------------------------------------------------- Printing one line per active thread.... Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity/precision appears to be 2 microseconds. Each test below will take on the order of 7890 microseconds. (= 3945 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2838.6204 0.0114 0.0113 0.0115 Scale: 2774.6396 0.0116 0.0115 0.0117 Add: 3144.0396 0.0155 0.0153 0.0156 Triad: 3160.7905 0.0153 0.0152 0.0156 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl10.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 2 ------------------------------------------------------------- Printing one line per active thread.... Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity/precision appears to be 2 microseconds. Each test below will take on the order of 7959 microseconds. (= 3979 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2864.2732 0.0113 0.0112 0.0114 Scale: 2784.2952 0.0116 0.0115 0.0118 Add: 3162.2553 0.0153 0.0152 0.0155 Triad: 3223.8430 0.0151 0.0149 0.0153 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl11.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity/precision appears to be 1 microseconds. Each test below will take on the order of 13082 microseconds. (= 13082 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1842.8984 0.0174 0.0174 0.0174 Scale: 1818.1816 0.0177 0.0176 0.0179 Add: 2109.8918 0.0228 0.0227 0.0231 Triad: 2119.0161 0.0227 0.0227 0.0227 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl12.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 12621 microseconds. (= 12621 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1805.0657 0.0178 0.0177 0.0179 Scale: 1795.5385 0.0179 0.0178 0.0182 Add: 2089.9636 0.0230 0.0230 0.0230 Triad: 2097.5313 0.0229 0.0229 0.0231 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl13.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 12203 microseconds. (= 12203 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 1768.9387 0.0181 0.0181 0.0182 Scale: 1765.9100 0.0182 0.0181 0.0184 Add: 2000.5875 0.0241 0.0240 0.0244 Triad: 2001.0897 0.0240 0.0240 0.0241 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl14.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 9576 microseconds. (= 9576 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2254.3285 0.0142 0.0142 0.0142 Scale: 2291.6040 0.0140 0.0140 0.0140 Add: 2779.5354 0.0173 0.0173 0.0173 Triad: 2804.8951 0.0177 0.0171 0.0215 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl15.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 9788 microseconds. (= 9788 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2223.0043 0.0146 0.0144 0.0161 Scale: 2264.6703 0.0142 0.0141 0.0142 Add: 2740.5171 0.0176 0.0175 0.0178 Triad: 2762.2584 0.0174 0.0174 0.0174 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
hcl16.heterogeneous.ucd.ie
------------------------------------------------------------- STREAM version $Revision: 5.9 $ ------------------------------------------------------------- This system uses 8 bytes per DOUBLE PRECISION word. ------------------------------------------------------------- Array size = 2000000, Offset = 0 Total memory required = 45.8 MB. Each test is run 10 times, but only the *best* time for each is used. ------------------------------------------------------------- Number of Threads requested = 1 ------------------------------------------------------------- Printing one line per active thread.... ------------------------------------------------------------- Your clock granularity appears to be less than one microsecond. Each test below will take on the order of 9590 microseconds. (= 9590 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ------------------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 2285.3882 0.0140 0.0140 0.0143 Scale: 2294.5687 0.0140 0.0139 0.0140 Add: 2800.9568 0.0172 0.0171 0.0172 Triad: 2823.2048 0.0170 0.0170 0.0171 ------------------------------------------------------------- Solution Validates -------------------------------------------------------------
