Erlang HiPE speed ÷ Java 7 -server speed | Computer Language Benchmarks Game

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	3×	¹/₂	±
spectral-norm	3×	±	±
pidigits	4×	¹/₂	¹/₂
fannkuch-redux	5×	¹/₂	±
regex-dna	6×	¹/₄	±
n-body	7×	¹/₂	±
k-nucleotide	8×	2×	¹/₃
fasta	10×	¹/₂	±
reverse-complement	11×	±	2×
mandelbrot	14×	9×	±

Erlang HiPE used what fraction? used how many times more?
Time-used	\|-	\|---	25%	median	75%	---\|	-\|
(Elapsed secs)	3×	3×	4×	6×	10×	14×	14×

± 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	39.79	39.84	247,024	441	0% 0% 0% 100%
Java 7 -server	15.64	15.68	506,672	603	0% 0% 0% 100%
spectral-norm
Erlang HiPE	44.82	44.84	10,292	747	0% 0% 0% 100%
Java 7 -server	16.21	16.21	14,860	950	0% 0% 0% 100%
pidigits
Erlang HiPE	19.56	19.58	10,524	512	0% 0% 0% 100%
Java 7 -server	5.44	5.44	16,944	938	0% 0% 0% 100%
fannkuch-redux
Erlang HiPE	379.03	379.15	7,172	1038	0% 0% 0% 100%
Java 7 -server	71.27	71.29	13,856	1282	0% 0% 0% 100%
regex-dna
Erlang HiPE	128.94	129.11	132,084	1058	0% 0% 0% 100%
Java 7 -server	21.58	21.61	557,612	1284	0% 0% 0% 100%
n-body
Erlang HiPE	161.20	161.24	6,924	1399	1% 0% 0% 100%
Java 7 -server	24.32	24.33	13,744	1424	0% 0% 0% 100%
k-nucleotide
Erlang HiPE	274.35	275.12	548,004	932	0% 0% 0% 100%
Java 7 -server	33.81	33.93	336,388	2431	0% 0% 0% 100%
fasta
Erlang HiPE	47.50	47.53	7,160	1164	0% 0% 0% 100%
Java 7 -server	4.92	4.92	14,828	1507	1% 0% 0% 100%
reverse-complement
Erlang HiPE	20.77	20.82	574,212	1302	0% 0% 0% 100%
Java 7 -server	1.87	1.90	511,340	745	1% 1% 0% 100%
mandelbrot
Erlang HiPE	370.55	370.73	637,032	534	1% 0% 0% 100%
Java 7 -server	26.86	26.87	67,760	796	0% 0% 0% 100%
fasta-redux
	No program
Java 7 -server	0.11	0.11	?	1443	0% 0% 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)

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