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 1 : Are the Clojure programs faster? At a glance.

Each chart bar shows, for one unidentified benchmark, how much the fastest Clojure program used compared to the fastest Haskell GHC program.

(Memory use is only compared for tasks that require memory to be allocated.)


These are not the only compilers and interpreters. These are not the only programs that could be written. These are not the only tasks that could be solved. These are just 10 tiny examples.

 2 : Are the Clojure programs faster? Approximately.

Each table row shows, for one named benchmark, how much the fastest Clojure program used compared to the fastest Haskell GHC program.

(Memory use is only compared for tasks that require memory to be allocated.)

 Clojure used what fraction? used how many times more? 
Benchmark Time Memory Code
 k-nucleotide1/21/2
 binary-trees±±±
 mandelbrot± 
 n-body± ±
 fannkuch-redux± 
 spectral-norm± ±
 pidigits 
 fasta † 
 regex-dna1/2
 reverse-complement †±
 Clojure used what fraction? used how many times more? 
Time-used  |-  |---  25% median  75%  ---|  -|
(Elapsed secs)1/21/2±±

† possible mismatch - one-core program compared to multi-core program.

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

 3 : Are the Clojure programs faster? Measurements.

These are not the only tasks that could be solved. These are just 10 tiny examples. These are not the only compilers and interpreters. These are not the only programs that could be written.

For each named benchmark, measurements of the fastest Clojure program are shown for comparison against measurements of the fastest Haskell GHC program.

Program Source Code CPU secs Elapsed secs Memory KB Code B ≈ CPU Load
 k-nucleotide 
Clojure24.8610.20241,9602723  48% 98% 26% 73%
Haskell GHC65.9917.73363,7801693  92% 93% 93% 97%
 binary-trees 
Clojure50.5615.08572,800750  88% 82% 85% 82%
Haskell GHC64.7320.18813,620612  74% 74% 99% 74%
 mandelbrot 
Clojure32.128.94144,4241195  88% 96% 86% 91%
Haskell GHC45.8111.4937,116782  100% 100% 100% 100%
 n-body 
Clojure27.8726.6162,6242162  99% 2% 3% 2%
Haskell GHC24.3523.172,7281874  2% 3% 100% 2%
 fannkuch-redux 
Clojure82.0121.3359,1761491  99% 95% 96% 96%
Haskell GHC63.3916.154,036834  99% 100% 100% 94%
 spectral-norm 
Clojure18.765.5364,384808  83% 81% 81% 95%
Haskell GHC15.704.041,940984  97% 97% 97% 97%
 pidigits 
Clojure5.574.2477,4681944  28% 62% 29% 15%
Haskell GHC3.982.716,212341  17% 16% 100% 17%
 fasta 
Clojure7.996.5767,4001653  88% 5% 10% 20% †
Haskell GHC4.494.022,732979  5% 6% 100% 5% †
 regex-dna 
Clojure5.532.21136,216707  96% 52% 53% 52%
Haskell GHC3.591.0864,2281518  77% 88% 88% 84%
 reverse-complement 
Clojure4.382.86571,340727  44% 30% 64% 19% †
Haskell GHC1.551.38126,340999  99% 4% 4% 4% †
 fasta-redux 
Clojure2.791.3748,8041428  39% 41% 94% 32%
No program

† possible mismatch - one-core program compared to multi-core program.

 4 : Are there other Clojure programs for these benchmarks?

Remember - those are just the fastest Clojure and Haskell GHC programs measured on this OS/machine. Check if there are other implementations of these benchmark programs for Clojure.

Maybe one of those other Clojure programs is fastest on a different OS/machine.

 5 : Are there other faster programs for these benchmarks?

Remember - those are just the fastest Clojure and Haskell GHC 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.

 Clojure :  

java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

Clojure 1.6

Clojure benchmarks

Home Page: http://clojure.org/

Download: http://clojure.org/downloads

Revised BSD license

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