Step 1 : Are the JavaScript V8 programs faster? At a glance.
This chart shows 3 comparisons - Time-used, Memory-used and Code-used.
Each chart bar shows, for one unidentified benchmark, how much the fastest JavaScript V8 program used compared to the fastest JavaScript TraceMonkey program.
Step 2 : Are the JavaScript V8 programs faster? Approximately.
This table shows 3 comparisons - Time-used, Memory-used and Code-used.
Each table row shows, for one named benchmark, how much the fastest JavaScript V8 program used compared to the fastest JavaScript TraceMonkey program.
| JavaScript V8 used what fraction? used how many times more? | ||||
|---|---|---|---|---|
| Benchmark | Time | Memory | Code | Reduced N |
| pidigits | 1/18 | 1/3 | ± | |
| binary-trees | 1/8 | 1/5 | ± | 16 |
| fasta | 1/5 | 1/5 | ± | |
| fannkuch | 1/2 | 3× | ± | |
| reverse-complement | 1/2 | 1/3 | ± | |
| k-nucleotide | 1/2 | 1/2 | ± | |
| regex-dna | 1/2 | 1/3 | ± | |
| n-body | ± | 1/51 | ± | 500,000 |
| spectral-norm | ± | 3× | ± | |
± read the measurements and then read the program source code.
Step 3 : Are the JavaScript V8 programs faster? Measurements.
This table shows 5 measurements - CPU Time, Elapsed Time, Memory, Code and ~ CPU Load.
For each named benchmark, measurements of the fastest JavaScript V8 program are shown for comparison against measurements of the fastest JavaScript TraceMonkey program.
| Program Source Code | CPU secs | Elapsed secs | Memory KB | Code B | ~ CPU Load |
|---|---|---|---|---|---|
| pidigits | |||||
| JavaScript V8 | 235.04 | 235.04 | 21,172 | 609 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 4,298.89 | 4,298.63 | 61,840 | 609 | 0% 0% 0% 100% |
| binary-trees N = 16 reduced workload | |||||
| JavaScript V8 | 1.54 | 1.54 | 27,932 | 467 | 0% 0% 1% 100% |
| JavaScript TraceMonkey | 11.57 | 11.58 | 142,040 | 467 | 0% 1% 0% 100% |
| fasta | |||||
| JavaScript V8 | 40.08 | 40.08 | 22,488 | 923 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 201.05 | 201.12 | 105,256 | 923 | 1% 1% 0% 100% |
| fannkuch | |||||
| JavaScript V8 | 707.22 | 707.19 | 8,088 | 488 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 1,674.50 | 1,674.41 | 2,396 | 488 | 0% 0% 0% 100% |
| reverse-complement | |||||
| JavaScript V8 | 39.40 | 39.40 | 317,988 | 456 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 61.56 | 61.56 | 893,416 | 456 | 0% 0% 0% 100% |
| k-nucleotide | |||||
| JavaScript V8 | 355.20 | 355.19 | 332,880 | 390 | 0% 1% 0% 100% |
| JavaScript TraceMonkey | 551.12 | 551.09 | 659,444 | 423 | 0% 0% 0% 100% |
| regex-dna | |||||
| JavaScript V8 | 5.63 | 5.63 | 211,488 | 373 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 8.52 | 8.52 | 578,120 | 365 | 0% 0% 0% 100% |
| n-body N = 500,000 reduced workload | |||||
| JavaScript V8 | 2.08 | 2.08 | 5,952 | 1287 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 3.00 | 3.00 | 302,488 | 1287 | 8% 7% 11% 100% |
| spectral-norm | |||||
| JavaScript V8 | 81.15 | 81.14 | 13,880 | 311 | 0% 0% 0% 100% |
| JavaScript TraceMonkey | 58.56 | 58.56 | 4,068 | 311 | 0% 0% 0% 100% |
| mandelbrot | |||||
| JavaScript V8 | |||||
| chameneos-redux | |||||
Measurements for all the accepted programs
JavaScript V8 : web-browser embedded scripting
V8 version 1.3.11.1 [console: dumb]
Home Page: V8 JavaScript Engine