Some experimenting julia on a 3DR drone

changes-to-binding.txt

              "libraries":
               [
                 "-lgfortran",     <--- added
                 "-lopenblas",     <--- added
                 "-ljulia"
               ]
             }

      "cflags":
      [
         "-std=<(std)", "-Wno-strict-aliasing", "-march=armv7-a"   <--- added
      ],

julia-drone.txt

3dr_solo:~$ julia
WARNING: unable to determine host cpu name.
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org
   _ _   _| |_  __ _   |  Type "?help" for help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.5.0-dev+2336 (2016-01-28 14:53 UTC)
 _/ |\__'_|_|_|\__'_|  |  Commit 9cda53d (9 days old master)
|__/                   |  arm-linux-gnueabihf

julia> 
  

node-julia-test-on-drone.txt

(node) child_process: options.customFds option is deprecated. Use options.stdio instead.
WARNING: unable to determine host cpu name.


  Regression Tests
    ✓ eval Null return 
    ✓ eval Null return (async) (57ms)
    ✓ eval Boolean return 
    ✓ eval Integer return 
    ✓ version 
    ✓ eval max 32 bit Integer (4294967296) 
    ✓ eval max JavaScript Integer (9007199254740992) 
    ✓ eval primitive Float return 
    ✓ eval max JavaScript Float (1.7976931348623157e+308) 
    ✓ simple result return style for Eval 
    ✓ tuple result return style for Eval 
    ✓ exec identity Null 
    ✓ exec identity Boolean 
    ✓ exec identity Integer (42ms)
    ✓ exec identity Float (67ms)
    ✓ exec identity String 
    ✓ simple result return style for Exec 
    ✓ implicit conversion from SubString to String 
    ✓ eval include 
    ✓ exec include 
    ✓ user defined functions via exec (86ms)
    ✓ macros via eval (739ms)
    ✓ arrays via eval (951ms)
    ✓ arrays via exec (1372ms)
    ✓ construction of Script using new (3557ms)
    ✓ construction of Script using function call like syntax 
    ✓ script creation (via factory) 
    ✓ script exec using return style (138ms)
    ✓ loading array type tests 
    ✓ typecheck Null array elements (synchronously) 
    ✓ typecheck Null array elements (asynchronously) 
    ✓ typecheck Boolean array elements (synchronously) 
    ✓ typecheck Boolean array elements (asynchronously) 
    ✓ typecheck Integer array elements (synchronously) 
    ✓ typecheck Integer array elements (asynchronously) 
    ✓ typecheck Float array elements (synchronously) 
    ✓ typecheck Float array elements (asynchronously) 
    ✓ typecheck String array elements (synchronously) 
    ✓ typecheck String array elements (asynchronously) 
    ✓ typecheck [Boolean,Integer] -> [Integer] 
    ✓ typecheck [Boolean,Float] -> [Float] 
    ✓ typecheck [Boolean,String] -> [String] 
    ✓ typecheck [Integer,Float] -> [Float] 
    ✓ typecheck [Float,Integer] -> [Float] 
    ✓ prevent widening String elements 
    ✓ prevent widening Null elements 
    ✓ 0 length array input (78ms)
    ✓ 0 length typed array output (133ms)
    ✓ 0 length array of Any 
    ✓ 0 length array to 0 length array 
    ✓ simple Integer array input (596ms)
    ✓ simple Float array input (650ms)
    ✓ simple String array input (999ms)
    ✓ array of null (56ms)
    ✓ array of elementwise conversion from SubString to String (251ms)
    ✓ native Int8Array to Array{Int8,1} (686ms)
    ✓ native Uint8Array to Array{Uint8,1} (579ms)
    ✓ native Int16Array to Array{Int16,1} (1127ms)
    ✓ native Uint16Array to Array{Uint16,1} (637ms)
    ✓ native Int32Array to Array{Int32,1} (46ms)
    1) native Uint32Array to Array{Uint32,1}
    ✓ native Float32Array to Array{Float32,1} (633ms)
    ✓ native Float64Array to Array{Float64,1} 
    ✓ buffer to Array{Uint8,1} and back as Buffer (233ms)
    2) buffer to Array{Uint8,1} and back as reshaped Array
    ✓ multidimensional Array (44ms)
    3) buffer to Multidimensional Array
    ✓ simplistic Regex (120ms)
    ✓ preserve Date value of now() (598ms)
    ✓ array of Date (57ms)
    ✓ array of Regex (85ms)
    ✓ JRef from eval (496ms)
    ✓ JRef from exec (435ms)
    ✓ JRef random creation and deletion (17719ms)
    ✓ array random creation and deletion (18702ms)
    ✓ 2D Array Request with Native Arrays  (671ms)
    ✓ multidimensional Array Request with Native Arrays  (2194ms)
    ✓ manually creating arrays of NativeArray for linear algebra (12638ms)
    ✓ ill-defined matrix via exception 
    ✓ ill-defined matrix via err in callback 
    ✓ eval syntax error (147ms)
    ✓ function search (not found) 
    ✓ function deep search (not found) 
    ✓ function deep[1] search (found) 
    ✓ function deep[3] search (found) (366ms)
    ✓ Import (synchronous) (11418ms)
    ✓ Import (asynchronous) (268ms)
    ✓ Import non existant module attempt (8863ms)
    ✓ JuliaHandle of struct type 
    ✓ Eval quote 
    ✓ Shared Array (164ms)
    ✓ Equate jl_value_t Alloc with Javascript Object 
    ✓ libm use (64ms)
    ✓ asynchronous call followed by process.nextTick() 
    ✓ throw errors to the domain context 
    ✓ set active domain inside timeout 
    ✓ set active domain inside callback (53ms)
    ✓ set active domain inside callback when using bind() 
    ✓ preserve scope 
    ✓ eval Union Array ops (67ms)


  97 passing (2m)
  3 failing

  1) Regression Tests native Uint32Array to Array{Uint32,1}:

      AssertionError: expected 3589884592 to equal 429491729550000
      + expected - actual

      +429491729550000
      -3589884592
      
      at Context.<anonymous> (/home/jeffw/src/node-julia/test/test.js:507:38)
      at callFn (/home/jeffw/src/node-julia/node_modules/mocha/lib/runnable.js:250:21)
      at Test.Runnable.run (/home/jeffw/src/node-julia/node_modules/mocha/lib/runnable.js:243:7)
      at Runner.runTest (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:373:10)
      at /home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:451:12
      at next (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:298:14)
      at /home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:308:7
      at next (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:246:23)
      at Immediate._onImmediate (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:275:5)
      at processImmediate [as _immediateCallback] (timers.js:383:17)

  2) Regression Tests buffer to Array{Uint8,1} and back as reshaped Array:
     ReferenceError: Julia unmatched method reshape(Array,Int64,Int64)
      at ReferenceError (native)
      at Object.module.exports.exec (/home/jeffw/src/node-julia/lib/nj.js:37:21)
      at Context.<anonymous> (/home/jeffw/src/node-julia/test/test.js:544:23)
      at callFn (/home/jeffw/src/node-julia/node_modules/mocha/lib/runnable.js:250:21)
      at Test.Runnable.run (/home/jeffw/src/node-julia/node_modules/mocha/lib/runnable.js:243:7)
      at Runner.runTest (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:373:10)
      at /home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:451:12
      at next (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:298:14)
      at /home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:308:7
      at next (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:246:23)
      at Immediate._onImmediate (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:275:5)
      at processImmediate [as _immediateCallback] (timers.js:383:17)

  3) Regression Tests buffer to Multidimensional Array:
     ReferenceError: Julia unmatched method reshape(Array,Int64,Int64,Int64,Int64)
      at ReferenceError (native)
      at Object.module.exports.exec (/home/jeffw/src/node-julia/lib/nj.js:37:21)
      at Context.<anonymous> (/home/jeffw/src/node-julia/test/test.js:576:20)
      at callFn (/home/jeffw/src/node-julia/node_modules/mocha/lib/runnable.js:250:21)
      at Test.Runnable.run (/home/jeffw/src/node-julia/node_modules/mocha/lib/runnable.js:243:7)
      at Runner.runTest (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:373:10)
      at /home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:451:12
      at next (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:298:14)
      at /home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:308:7
      at next (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:246:23)
      at Immediate._onImmediate (/home/jeffw/src/node-julia/node_modules/mocha/lib/runner.js:275:5)
      at processImmediate [as _immediateCallback] (timers.js:383:17)

node-julia-test-on-osx.txt

 Regression Tests
    ✓ eval Null return 
    ✓ eval Null return (async) 
    ✓ eval Boolean return 
    ✓ eval Integer return 
    ✓ version 
    ✓ eval max 32 bit Integer (4294967296) 
    ✓ eval max JavaScript Integer (9007199254740992) 
    ✓ eval primitive Float return 
    ✓ eval max JavaScript Float (1.7976931348623157e+308) 
    ✓ simple result return style for Eval 
    ✓ tuple result return style for Eval 
    ✓ exec identity Null 
    ✓ exec identity Boolean 
    ✓ exec identity Integer 
    ✓ exec identity Float 
    ✓ exec identity String 
    ✓ simple result return style for Exec 
    ✓ implicit conversion from SubString to String 
    ✓ eval include 
    ✓ exec include 
    ✓ user defined functions via exec 
    ✓ macros via eval (57ms)
    ✓ arrays via eval (60ms)
    ✓ arrays via exec 
    ✓ construction of Script using new (204ms)
    ✓ construction of Script using function call like syntax 
    ✓ script creation (via factory) 
    ✓ script exec using return style 
    ✓ loading array type tests 
    ✓ typecheck Null array elements (synchronously) 
    ✓ typecheck Null array elements (asynchronously) 
    ✓ typecheck Boolean array elements (synchronously) 
    ✓ typecheck Boolean array elements (asynchronously) 
    ✓ typecheck Integer array elements (synchronously) 
    ✓ typecheck Integer array elements (asynchronously) 
    ✓ typecheck Float array elements (synchronously) 
    ✓ typecheck Float array elements (asynchronously) 
    ✓ typecheck String array elements (synchronously) 
    ✓ typecheck String array elements (asynchronously) 
    ✓ typecheck [Boolean,Integer] -> [Integer] 
    ✓ typecheck [Boolean,Float] -> [Float] 
    ✓ typecheck [Boolean,String] -> [String] 
    ✓ typecheck [Integer,Float] -> [Float] 
    ✓ typecheck [Float,Integer] -> [Float] 
    ✓ prevent widening String elements 
    ✓ prevent widening Null elements 
    ✓ 0 length array input 
    ✓ 0 length typed array output 
    ✓ 0 length array of Any 
    ✓ 0 length array to 0 length array 
    ✓ simple Integer array input 
    ✓ simple Float array input 
    ✓ simple String array input (80ms)
    ✓ array of null 
    ✓ array of elementwise conversion from SubString to String 
    ✓ native Int8Array to Array{Int8,1} 
    ✓ native Uint8Array to Array{Uint8,1} 
    ✓ native Int16Array to Array{Int16,1} 
    ✓ native Uint16Array to Array{Uint16,1} 
    ✓ native Int32Array to Array{Int32,1} 
    ✓ native Uint32Array to Array{Uint32,1} 
    ✓ native Float32Array to Array{Float32,1} 
    ✓ native Float64Array to Array{Float64,1} 
    ✓ buffer to Array{Uint8,1} and back as Buffer 
    ✓ buffer to Array{Uint8,1} and back as reshaped Array (44ms)
    ✓ multidimensional Array 
    ✓ buffer to Multidimensional Array 
    ✓ simplistic Regex 
    ✓ preserve Date value of now() 
    ✓ array of Date 
    ✓ array of Regex 
    ✓ JRef from eval (44ms)
    ✓ JRef from exec 
    ✓ JRef random creation and deletion (549ms)
    ✓ array random creation and deletion (473ms)
    ✓ 2D Array Request with Native Arrays  
    ✓ multidimensional Array Request with Native Arrays  (120ms)
    ✓ manually creating arrays of NativeArray for linear algebra (879ms)
    ✓ ill-defined matrix via exception 
    ✓ ill-defined matrix via err in callback 
    ✓ eval syntax error (318ms)
    ✓ function search (not found) 
    ✓ function deep search (not found) 
    ✓ function deep[1] search (found) 
    ✓ function deep[3] search (found) 
    ✓ Import (synchronous) (829ms)
    ✓ Import (asynchronous) 
    ✓ Import non existant module attempt (543ms)
    ✓ JuliaHandle of struct type 
    ✓ Eval quote 
    ✓ Shared Array 
    ✓ Equate jl_value_t Alloc with Javascript Object 
    ✓ libm use 
    ✓ asynchronous call followed by process.nextTick() 
    ✓ throw errors to the domain context 
    ✓ set active domain inside timeout 
    ✓ set active domain inside callback 
    ✓ set active domain inside callback when using bind() 
    ✓ preserve scope 
    ✓ eval Union Array ops 


  100 passing (5s)

randomMatrix.txt

julia> @time A = rand(100,100);
  1.082110 seconds (55.08 k allocations: 1.510 MB)

julia> @time A = rand(100,100);
  0.000501 seconds (7 allocations: 78.344 KB)

julia> @time A = rand(100,100);
  0.000494 seconds (7 allocations: 78.344 KB)
  
  julia> @time B = svd(A);
  2.953222 seconds (118.28 k allocations: 3.843 MB)

julia> @time B = svd(A);
  0.057843 seconds (27 allocations: 557.094 KB)