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÷ Ada 2005 GNAT ATS C GNU gcc C# Mono C++ GNU g++ Clean Erlang HiPE F# Mono Fortran Intel Go 6g 8g Haskell GHC Java 6 -server Java 6 -Xint Java 6 steady state JavaScript TraceMonkey JavaScript V8 Lisp SBCL Lua OCaml Pascal Free Pascal Perl PHP Python CPython Ruby JRuby Ruby MRI Scala Scheme PLT Smalltalk VisualWorks

 1 : Are the JavaScript TraceMonkey 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 TraceMonkey program used compared to the fastest Perl program.

 2 : Are the JavaScript TraceMonkey 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 TraceMonkey program used compared to the fastest Perl program.

JavaScript TraceMonkey used what fraction? used how many times more?
Benchmark	Time	Memory	Code	Reduced N
n-body	1/7	1,280×	±	5,000,000
spectral-norm	1/5	1/2	1/3
binary-trees	1/4	2×	±	16
fasta	1/2	41×	±
regex-dna	±	4×	±
fannkuch	2×	1/3	±
k-nucleotide	6×	1/3	1/2
reverse-complement	8×	3×	2×
pidigits	333×	16×	2×	6,000

± read the measurements and then read the program source code.

 3 : Are the JavaScript TraceMonkey 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 TraceMonkey program are shown for comparison against measurements of the fastest Perl program.

Program Source Code	CPU secs	Elapsed secs	Memory KB	Code B	~ CPU Load
n-body N = 5,000,000 reduced workload
JavaScript TraceMonkey	22.45	22.47	3,293,176	1287	100% 0% 0% 0%
Perl	168.45	168.44	2,572	1140	0% 100% 0% 0%
spectral-norm
JavaScript TraceMonkey	58.40	58.41	4,428	311	0% 100% 0% 0%
Perl	1,137.10	285.55	10,976	846	100% 100% 100% 100%
binary-trees N = 16 reduced workload
JavaScript TraceMonkey	12.71	12.71	154,316	467	100% 0% 0% 0%
Perl	50.61	50.61	70,092	541	0% 0% 0% 100%
fasta
JavaScript TraceMonkey	135.09	136.49	104,300	923	30% 21% 24% 28%
Perl	314.46	314.46	2,548	934	100% 0% 0% 0%
regex-dna
JavaScript TraceMonkey	10.79	10.80	636,800	365	0% 100% 0% 0%
Perl	38.61	12.84	167,208	527	78% 66% 76% 81%
fannkuch
JavaScript TraceMonkey	2,255.13	2,255.05	2,688	488	14% 51% 34% 0%
Perl	3,749.89	942.90	8,808	471	99% 100% 100% 100%
k-nucleotide
JavaScript TraceMonkey	443.71	444.53	1,057,340	423	98% 1% 1% 0%
Perl	256.15	78.58	2,883,780	648	81% 71% 88% 84%
reverse-complement
JavaScript TraceMonkey	44.49	44.49	1,377,688	456	100% 0% 0% 0%
Perl	5.25	5.25	431,496	298	100% 0% 0% 0%
pidigits N = 6,000 reduced workload
JavaScript TraceMonkey	1,106.85	1,106.79	57,796	609	1% 100% 1% 1%
Perl	3.32	3.32	3,548	385	100% 0% 0% 0%
mandelbrot
JavaScript TraceMonkey	Failed
chameneos-redux
	No program

 JavaScript TraceMonkey : ubiquitous web-browser embedded scripting  

"Trace-based Just-in-Time Type Specialization for Dynamic Languages" pdf

mozilla-central-6282cd265a5c

Home Page: Introduction to the JavaScript shell

Download: Building SpiderMonkey tip