Here are the results of aim9 tests on x86_64. There are some minor performance
improvements and some fluctuations. Page size is only a fourth of that on
ia64 so the resulting benefit is less in terms of saved cacheline fetches.
The benefit is also likely higher on i386 because it can fit double the
page table entries into a page.
1 add_double 1096039.60 1096039.60 0.00 0.00% Thousand Double
Precision Additions/second
2 add_float 1087128.71 1099009.90 11881.19 1.09% Thousand Single
Precision Additions/second
3 add_long 4019704.43 4374384.24 354679.81 8.82% Thousand Long Integer
Additions/second
4 add_int 3772277.23 3772277.23 0.00 0.00% Thousand Integer
Additions/second
5 add_short 3754455.45 3761194.03 6738.58 0.18% Thousand Short Integer
Additions/second
6 creat-clo 259405.94 267164.18 7758.24 2.99% File Creations and
Closes/second
7 page_test 233118.81 235970.15 2851.34 1.22% System Allocations &
Pages/second
8 brk_test 3425247.52 3408457.71 -16789.81 -0.49% System Memory
Allocations/second
9 jmp_test 21819306.93 21808457.71 -10849.22 -0.05% Non-local gotos/second
10 signal_test 669154.23 689552.24 20398.01 3.05% Signal Traps/second
11 exec_test 747.52 743.78 -3.74 -0.50% Program Loads/second
12 fork_test 8267.33 8457.71 190.38 2.30% Task Creations/second
13 link_test 43819.31 44318.32 499.01 1.14% Link/Unlink Pairs/second
28 fun_cal 326463366.34 326559203.98 95837.64 0.03% Function Calls (no
arguments)/second
29 fun_cal1 358906930.69 388202985.07 29296054.38 8.16% Function Calls (1
argument)/second
30 fun_cal2 356372277.23 356362189.05 -10088.18 -0.00% Function Calls (2
arguments)/second
31 fun_cal15 156641584.16 156656716.42 15132.26 0.01% Function Calls (15
arguments)/second
45 mem_rtns_2 1588762.38 1610298.51 21536.13 1.36% Block Memory
Operations/second
46 sort_rtns_1 935.32 1004.98 69.66 7.45% Sort Operations/second
47 misc_rtns_1 17099.01 17268.66 169.65 0.99% Auxiliary Loops/second
48 dir_rtns_1 5925742.57 6313432.84 387690.27 6.54% Directory
Operations/second
52 series_1 11469950.50 11625771.14 155820.64 1.36% Series
Evaluations/second
53 shared_memory 1187313.43 1177910.45 -9402.98 -0.79% Shared Memory
Operations/second
54 tcp_test 83183.17 83507.46 324.29 0.39% TCP/IP Messages/second
55 udp_test 273514.85 269801.00 -3713.85 -1.36% UDP/IP DataGrams/second
56 fifo_test 741237.62 803930.35 62692.73 8.46% FIFO Messages/second
57 stream_pipe 885099.01 1058059.70 172960.69 19.54% Stream Pipe
Messages/second
58 dgram_pipe 881782.18 957213.93 75431.75 8.55% DataGram Pipe
Messages/second
59 pipe_cpy 1355891.09 1316766.17 -39124.92 -2.89% Pipe Messages/second
2.6.21-rc4 bare
------------------------------------------------------------------------------------------------------------
Test Test Elapsed Iteration Iteration Operation
Number Name Time (sec) Count Rate (loops/sec) Rate (ops/sec)
------------------------------------------------------------------------------------------------------------
1 add_double 2.02 123 60.89109 1096039.60 Thousand
Double Precision Additions/second
2 add_float 2.02 183 90.59406 1087128.71 Thousand
Single Precision Additions/second
3 add_long 2.03 136 66.99507 4019704.43 Thousand
Long Integer Additions/second
4 add_int 2.02 127 62.87129 3772277.23 Thousand
Integer Additions/second
5 add_short 2.02 316 156.43564 3754455.45 Thousand
Short Integer Additions/second
6 creat-clo 2.02 524 259.40594 259405.94 File
Creations and Closes/second
7 page_test 2.02 277 137.12871 233118.81 System
Allocations & Pages/second
8 brk_test 2.02 407 201.48515 3425247.52 System
Memory Allocations/second
9 jmp_test 2.02 44075 21819.30693 21819306.93
Non-local gotos/second
10 signal_test 2.01 1345 669.15423 669154.23 Signal
Traps/second
11 exec_test 2.02 302 149.50495 747.52 Program
Loads/second
12 fork_test 2.02 167 82.67327 8267.33 Task
Creations/second
13 link_test 2.02 1405 695.54455 43819.31
Link/Unlink Pairs/second
14 disk_rr 2.02 65 32.17822 164752.48 Random
Disk Reads (K)/second
15 disk_rw 2.03 55 27.09360 138719.21 Random
Disk Writes (K)/second
16 disk_rd 2.02 467 231.18812 1183683.17
Sequential Disk Reads (K)/second
17 disk_wrt 2.02 81 40.09901 205306.93
Sequential Disk Writes (K)/second
18 disk_cp 2.04 65 31.86275 163137.25 Disk
Copies (K)/second
19 sync_disk_rw 2.05 2 0.97561 2497.56 Sync
Random Disk Writes (K)/second
20 sync_disk_wrt 2.15 1 0.46512 1190.70 Sync
Sequential Disk Writes (K)/second
21 sync_disk_cp 2.49 1 0.40161 1028.11 Sync
Disk Copies (K)/second
22 disk_src 2.02 1049 519.30693 38948.02
Directory Searches/second
23 div_double 2.02 141 69.80198 209405.94 Thousand
Double Precision Divides/second
24 div_float 2.02 141 69.80198 209405.94 Thousand
Single Precision Divides/second
25 div_long 2.04 68 33.33333 30000.00 Thousand
Long Integer Divides/second
26 div_int 2.02 120 59.40594 53465.35 Thousand
Integer Divides/second
27 div_short 2.03 119 58.62069 52758.62 Thousand
Short Integer Divides/second
28 fun_cal 2.02 1288 637.62376 326463366.34 Function
Calls (no arguments)/second
29 fun_cal1 2.02 1416 700.99010 358906930.69 Function
Calls (1 argument)/second
30 fun_cal2 2.02 1406 696.03960 356372277.23 Function
Calls (2 arguments)/second
31 fun_cal15 2.02 618 305.94059 156641584.16 Function
Calls (15 arguments)/second
32 sieve 2.15 10 4.65116 23.26 Integer
Sieves/second
33 mul_double 2.02 185 91.58416 1099009.90 Thousand
Double Precision Multiplies/second
34 mul_float 2.02 185 91.58416 1099009.90 Thousand
Single Precision Multiplies/second
35 mul_long 2.02 6129 3034.15842 728198.02 Thousand
Long Integer Multiplies/second
36 mul_int 2.02 8517 4216.33663 1011920.79 Thousand
Integer Multiplies/second
37 mul_short 2.02 6817 3374.75248 1012425.74 Thousand
Short Integer Multiplies/second
38 num_rtns_1 2.02 6260 3099.00990 309900.99 Numeric
Functions/second
39 new_raph 2.02 6305 3121.28713 624257.43 Zeros
Found/second
40 trig_rtns 2.02 243 120.29703 1202970.30
Trigonometric Functions/second
41 matrix_rtns 2.02 69718 34513.86139 3451386.14 Point
Transformations/second
42 array_rtns 2.01 165 82.08955 1641.79 Linear
Systems Solved/second
43 string_rtns 2.02 120 59.40594 5940.59 String
Manipulations/second
44 mem_rtns_1 2.02 370 183.16832 5495049.50 Dynamic
Memory Operations/second
45 mem_rtns_2 2.02 32093 15887.62376 1588762.38 Block
Memory Operations/second
46 sort_rtns_1 2.01 188 93.53234 935.32 Sort
Operations/second
47 misc_rtns_1 2.02 3454 1709.90099 17099.01
Auxiliary Loops/second
48 dir_rtns_1 2.02 1197 592.57426 5925742.57
Directory Operations/second
49 shell_rtns_1 2.02 328 162.37624 162.38 Shell
Scripts/second
50 shell_rtns_2 2.02 327 161.88119 161.88 Shell
Scripts/second
51 shell_rtns_3 2.02 327 161.88119 161.88 Shell
Scripts/second
52 series_1 2.02 231693 114699.50495 11469950.50 Series
Evaluations/second
53 shared_memory 2.01 23865 11873.13433 1187313.43 Shared
Memory Operations/second
54 tcp_test 2.02 1867 924.25743 83183.17 TCP/IP
Messages/second
55 udp_test 2.02 5525 2735.14851 273514.85 UDP/IP
DataGrams/second
56 fifo_test 2.02 14973 7412.37624 741237.62 FIFO
Messages/second
57 stream_pipe 2.02 17879 8850.99010 885099.01 Stream
Pipe Messages/second
58 dgram_pipe 2.02 17812 8817.82178 881782.18 DataGram
Pipe Messages/second
59 pipe_cpy 2.02 27389 13558.91089 1355891.09 Pipe
Messages/second
60 ram_copy 2.02 353141 174822.27723 4374053376.24 Memory
to Memory Copy/second
2.6.21-rc4 x86_64 quicklist
------------------------------------------------------------------------------------------------------------
Test Test Elapsed Iteration Iteration Operation
Number Name Time (sec) Count Rate (loops/sec) Rate (ops/sec)
------------------------------------------------------------------------------------------------------------
1 add_double 2.02 123 60.89109 1096039.60 Thousand
Double Precision Additions/second
2 add_float 2.02 185 91.58416 1099009.90 Thousand
Single Precision Additions/second
3 add_long 2.03 148 72.90640 4374384.24 Thousand
Long Integer Additions/second
4 add_int 2.02 127 62.87129 3772277.23 Thousand
Integer Additions/second
5 add_short 2.01 315 156.71642 3761194.03 Thousand
Short Integer Additions/second
6 creat-clo 2.01 537 267.16418 267164.18 File
Creations and Closes/second
7 page_test 2.01 279 138.80597 235970.15 System
Allocations & Pages/second
8 brk_test 2.01 403 200.49751 3408457.71 System
Memory Allocations/second
9 jmp_test 2.01 43835 21808.45771 21808457.71
Non-local gotos/second
10 signal_test 2.01 1386 689.55224 689552.24 Signal
Traps/second
11 exec_test 2.01 299 148.75622 743.78 Program
Loads/second
12 fork_test 2.01 170 84.57711 8457.71 Task
Creations/second
13 link_test 2.02 1421 703.46535 44318.32
Link/Unlink Pairs/second
14 disk_rr 2.01 63 31.34328 160477.61 Random
Disk Reads (K)/second
15 disk_rw 2.02 53 26.23762 134336.63 Random
Disk Writes (K)/second
16 disk_rd 2.01 498 247.76119 1268537.31
Sequential Disk Reads (K)/second
17 disk_wrt 2.02 78 38.61386 197702.97
Sequential Disk Writes (K)/second
18 disk_cp 2.04 64 31.37255 160627.45 Disk
Copies (K)/second
19 sync_disk_rw 2.65 2 0.75472 1932.08 Sync
Random Disk Writes (K)/second
20 sync_disk_wrt 3.96 2 0.50505 1292.93 Sync
Sequential Disk Writes (K)/second
21 sync_disk_cp 2.31 1 0.43290 1108.23 Sync
Disk Copies (K)/second
22 disk_src 2.01 1079 536.81592 40261.19
Directory Searches/second
23 div_double 2.02 141 69.80198 209405.94 Thousand
Double Precision Divides/second
24 div_float 2.01 140 69.65174 208955.22 Thousand
Single Precision Divides/second
25 div_long 2.01 67 33.33333 30000.00 Thousand
Long Integer Divides/second
26 div_int 2.02 120 59.40594 53465.35 Thousand
Integer Divides/second
27 div_short 2.01 118 58.70647 52835.82 Thousand
Short Integer Divides/second
28 fun_cal 2.01 1282 637.81095 326559203.98 Function
Calls (no arguments)/second
29 fun_cal1 2.01 1524 758.20896 388202985.07 Function
Calls (1 argument)/second
30 fun_cal2 2.01 1399 696.01990 356362189.05 Function
Calls (2 arguments)/second
31 fun_cal15 2.01 615 305.97015 156656716.42 Function
Calls (15 arguments)/second
32 sieve 2.16 10 4.62963 23.15 Integer
Sieves/second
33 mul_double 2.02 185 91.58416 1099009.90 Thousand
Double Precision Multiplies/second
34 mul_float 2.02 185 91.58416 1099009.90 Thousand
Single Precision Multiplies/second
35 mul_long 2.02 6128 3033.66337 728079.21 Thousand
Long Integer Multiplies/second
36 mul_int 2.01 8475 4216.41791 1011940.30 Thousand
Integer Multiplies/second
37 mul_short 2.01 6783 3374.62687 1012388.06 Thousand
Short Integer Multiplies/second
38 num_rtns_1 2.01 6264 3116.41791 311641.79 Numeric
Functions/second
39 new_raph 2.01 6261 3114.92537 622985.07 Zeros
Found/second
40 trig_rtns 2.01 239 118.90547 1189054.73
Trigonometric Functions/second
41 matrix_rtns 2.01 69555 34604.47761 3460447.76 Point
Transformations/second
42 array_rtns 2.01 165 82.08955 1641.79 Linear
Systems Solved/second
43 string_rtns 2.01 118 58.70647 5870.65 String
Manipulations/second
44 mem_rtns_1 2.01 370 184.07960 5522388.06 Dynamic
Memory Operations/second
45 mem_rtns_2 2.01 32367 16102.98507 1610298.51 Block
Memory Operations/second
46 sort_rtns_1 2.01 202 100.49751 1004.98 Sort
Operations/second
47 misc_rtns_1 2.01 3471 1726.86567 17268.66
Auxiliary Loops/second
48 dir_rtns_1 2.01 1269 631.34328 6313432.84
Directory Operations/second
49 shell_rtns_1 2.01 321 159.70149 159.70 Shell
Scripts/second
50 shell_rtns_2 2.01 324 161.19403 161.19 Shell
Scripts/second
51 shell_rtns_3 2.01 325 161.69154 161.69 Shell
Scripts/second
52 series_1 2.01 233678 116257.71144 11625771.14 Series
Evaluations/second
53 shared_memory 2.01 23676 11779.10448 1177910.45 Shared
Memory Operations/second
54 tcp_test 2.01 1865 927.86070 83507.46 TCP/IP
Messages/second
55 udp_test 2.01 5423 2698.00995 269801.00 UDP/IP
DataGrams/second
56 fifo_test 2.01 16159 8039.30348 803930.35 FIFO
Messages/second
57 stream_pipe 2.01 21267 10580.59701 1058059.70 Stream
Pipe Messages/second
58 dgram_pipe 2.01 19240 9572.13930 957213.93 DataGram
Pipe Messages/second
59 pipe_cpy 2.01 26467 13167.66169 1316766.17 Pipe
Messages/second
60 ram_copy 2.01 351052 174652.73632 4369811462.69 Memory
to Memory Copy/second
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