Step 1 : Are the Erlang HiPE programs faster? At a glance.
This chart shows 3 comparisons - Time-used, Memory-used and Code-used ~ speed and size.
Each chart bar shows, for one unidentified benchmark, how much the fastest Erlang HiPE program used compared to the fastest Java 7 -server program.
Look at speed another way - look at a box plot of Time-used data.
Step 2 : Are the Erlang HiPE programs faster? Approximately.
This table shows 3 comparisons - Time-used, Memory-used and Code-used ~ speed and size.
Each table row shows, for one named benchmark, how much the fastest Erlang HiPE program used compared to the fastest Java 7 -server program.
| Erlang HiPE used what fraction? used how many times more? | ||||
|---|---|---|---|---|
| Benchmark | Time | Memory | Code | |
| binary-trees | 2× | ± | ± | |
| pidigits | 3× | 1/4 | 1/4 | |
| spectral-norm | 3× | ± | ± | |
| regex-dna | 5× | 1/4 | ± | |
| n-body | 5× | 1/2 | ± | |
| fasta | 6× | 1/2 | ± | |
| fannkuch-redux | 6× | 1/2 | ± | |
| mandelbrot | 10× | 17× | ± | |
| k-nucleotide | 10× | ± | 1/3 | |
| reverse-complement | 11× | ± | 2× | |
| Erlang HiPE used what fraction? used how many times more? | |||||||
|---|---|---|---|---|---|---|---|
| Time-used | |- | |--- | 25% | median | 75% | ---| | -| |
| (Elapsed secs) | 2× | 2× | 3× | 6× | 10× | 11× | 11× |
± read the measurements and then read the program source code.
Step 3 : Are the Erlang HiPE programs faster? Measurements.
This table shows 5 measurements - CPU Time, Elapsed Time, Memory, Code and ≈ CPU Load ~ speed and size.
For each named benchmark, measurements of the fastest Erlang HiPE program are shown for comparison against measurements of the fastest Java 7 -server program.
| Program Source Code | CPU secs | Elapsed secs | Memory KB | Code B | ≈ CPU Load |
|---|---|---|---|---|---|
| binary-trees | |||||
| Erlang HiPE | 39.88 | 40.05 | 457,608 | 441 | 0% 0% 0% 100% |
| Java 7 -server | 16.44 | 16.48 | 499,416 | 603 | 0% 0% 0% 100% |
| pidigits | |||||
| Erlang HiPE | 15.18 | 15.20 | 13,424 | 512 | 0% 0% 0% 100% |
| Java 7 -server | 6.00 | 6.01 | 53,768 | 1826 | 1% 0% 0% 100% |
| spectral-norm | |||||
| Erlang HiPE | 46.63 | 46.65 | 12,860 | 747 | 0% 0% 0% 100% |
| Java 7 -server | 16.99 | 17.00 | 18,244 | 514 | 0% 0% 0% 100% |
| regex-dna | |||||
| Erlang HiPE | 110.89 | 110.94 | 157,320 | 1058 | 0% 0% 0% 100% |
| Java 7 -server | 22.95 | 23.00 | 561,436 | 1284 | 0% 0% 0% 100% |
| n-body | |||||
| Erlang HiPE | 122.14 | 122.17 | 9,744 | 1399 | 0% 0% 0% 100% |
| Java 7 -server | 22.51 | 22.51 | 16,940 | 1424 | 0% 0% 0% 100% |
| fasta | |||||
| Erlang HiPE | 29.89 | 29.90 | 9,504 | 1164 | 0% 1% 0% 100% |
| Java 7 -server | 5.18 | 5.19 | 18,044 | 1507 | 1% 0% 1% 100% |
| fannkuch-redux | |||||
| Erlang HiPE | 432.86 | 433.00 | 9,508 | 1038 | 0% 0% 0% 100% |
| Java 7 -server | 69.96 | 69.99 | 17,020 | 1282 | 0% 0% 0% 100% |
| mandelbrot | |||||
| Erlang HiPE | 236.56 | 236.80 | 1,209,580 | 534 | 1% 3% 2% 100% |
| Java 7 -server | 23.74 | 23.75 | 69,696 | 796 | 0% 0% 0% 100% |
| k-nucleotide | |||||
| Erlang HiPE | 288.48 | 292.45 | 663,860 | 932 | 0% 1% 0% 100% |
| Java 7 -server | 29.02 | 29.10 | 521,820 | 2431 | 0% 0% 0% 100% |
| reverse-complement | |||||
| Erlang HiPE | 19.53 | 19.59 | 518,112 | 1302 | 0% 0% 0% 100% |
| Java 7 -server | 1.79 | 1.83 | 514,512 | 745 | 2% 1% 2% 100% |
| fasta-redux | |||||
| Java 7 -server | 0.12 | 0.12 | ? | 1443 | 0% 8% 0% 100% |
Step 4 : Are there other Erlang HiPE programs for these benchmarks?
Remember - those are just the fastest Erlang HiPE and Java 7 -server programs measured on this OS/machine. Check if there are other implementations of these benchmark programs for Erlang HiPE.
Maybe one of those other Erlang HiPE programs is fastest on a different OS/machine.
Step 5 : Are there other faster programs for these benchmarks?
Remember - those are just the fastest Erlang HiPE and Java 7 -server programs measured on this OS/machine. Check if there are faster implementations of these benchmark programs for other programming languages.
Maybe one of those other programs is fastest on a different OS/machine.
Erlang HiPE : concurrent real-time distributed fault-tolerant software
All you wanted to know about the HiPE compile (but might have been afraid to ask)
The development of the HiPE system: design and experience report
Erlang R15B (erts-5.9) [source] [64-bit] [async-threads:0] [hipe] [kernel-poll:false]
Home Page: http://www.erlang.org/
Download: http://www.erlang.org/download.html