trace-information

tims-mbp:summation-algorithms Tim$ node --trace-opt --trace-deopt --allow-natives-syntax --code-comments trace.js
[deoptimize global object @ 0x1544000106e9]
[marking 0x1544000b40c9 <JS Function $Array.configurable_ (SharedFunctionInfo 0x15440001bd81)> for recompilation, reason: small function, ICs with typeinfo: 1/1 (100%), generic ICs: 0/1 (0%)]
[optimizing 0x1544000b40c9 <JS Function $Array.configurable_ (SharedFunctionInfo 0x15440001bd81)> - took 0.052, 0.048, 0.044 ms]
[marking 0x1544000b3ff1 <JS Function (SharedFunctionInfo 0x15440001c171)> for recompilation, reason: small function, ICs with typeinfo: 2/2 (100%), generic ICs: 0/2 (0%)]
[optimizing 0x1544000b3ff1 <JS Function (SharedFunctionInfo 0x15440001c171)> - took 0.021, 0.046, 0.044 ms]
[marking 0x15440001cd81 <JS Function PropertyDescriptor (SharedFunctionInfo 0x154400018631)> for recompilation, reason: small function, ICs with typeinfo: 12/12 (100%), generic ICs: 0/12 (0%)]
[optimizing 0x15440001cd81 <JS Function PropertyDescriptor (SharedFunctionInfo 0x154400018631)> - took 0.062, 0.071, 0.056 ms]
[marking 0x396f0f04fb09 <JS Function tryFile (SharedFunctionInfo 0x1544000e3b81)> for recompilation, reason: small function, ICs with typeinfo: 8/8 (100%), generic ICs: 0/8 (0%)]
[optimizing 0x396f0f04fb09 <JS Function tryFile (SharedFunctionInfo 0x1544000e3b81)> - took 0.108, 0.112, 0.076 ms]
[marking 0x15440001c861 <JS Function hasOwnProperty (SharedFunctionInfo 0x154400017981)> for recompilation, reason: small function, ICs with typeinfo: 3/10 (30%), generic ICs: 0/10 (0%)]
[optimizing 0x15440001c861 <JS Function hasOwnProperty (SharedFunctionInfo 0x154400017981)> - took 0.034, 0.099, 0.076 ms]
[marking 0x1544000b4039 <JS Function $Array.set_ (SharedFunctionInfo 0x15440001c0e1)> for recompilation, reason: small function, ICs with typeinfo: 1/1 (100%), generic ICs: 0/1 (0%)]
[optimizing 0x1544000b4039 <JS Function $Array.set_ (SharedFunctionInfo 0x15440001c0e1)> - took 0.006, 0.030, 0.024 ms]
[marking 0x154400015e21 <JS Function ToUint32 (SharedFunctionInfo 0x154400014931)> for recompilation, reason: small function, ICs with typeinfo: 1/3 (33%), generic ICs: 0/3 (0%)]
[optimizing 0x154400015e21 <JS Function ToUint32 (SharedFunctionInfo 0x154400014931)> - took 0.023, 0.056, 0.027 ms]
[marking 0x1544000e31a9 <JS Function posix.dirname (SharedFunctionInfo 0x1544000e24d9)> for recompilation, reason: small function, ICs with typeinfo: 11/11 (100%), generic ICs: 0/11 (0%)]
[marking 0x15440002b5d9 <JS Function random (SharedFunctionInfo 0x154400029f29)> for recompilation, reason: small function, ICs with typeinfo: 31/31 (100%), generic ICs: 0/31 (0%)]
[optimizing 0x15440002b5d9 <JS Function random (SharedFunctionInfo 0x154400029f29)> - took 0.079, 0.137, 0.071 ms]
[marking 0x396f0f0a37d1 <JS Function (SharedFunctionInfo 0xf916351d941)> for recompilation, reason: small function, ICs with typeinfo: 9/16 (56%), generic ICs: 0/16 (0%)]
[optimizing 0x396f0f0a37d1 <JS Function (SharedFunctionInfo 0xf916351d941)> - took 0.278, 0.454, 0.169 ms]
[disabled optimization for 0xf91635272a9 <SharedFunctionInfo>, reason: eval]
[disabled optimization for 0xf9163528109 <SharedFunctionInfo>, reason: eval]
[disabled optimization for 0xf916352c041 <SharedFunctionInfo>, reason: eval]
[deoptimizing (DEOPT soft): begin 0x396f0f0a37d1  (opt #8) @29, FP to SP delta: 136]
            ;;; deoptimize: Insufficient type feedback for generic named access
  translating  => node=135, height=64
    0x7fff5fbff4f0: [top + 136] <- 0x396f0f09c9e9 ; [sp + 0] 0x396f0f09c9e9 <an Object with map 0xdf70930d581>
    0x7fff5fbff4e8: [top + 128] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff4e0: [top + 120] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff4d8: [top + 112] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff4d0: [top + 104] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff4c8: [top + 96] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff4c0: [top + 88] <- 0x319880124ac6 ; caller's pc
    0x7fff5fbff4b8: [top + 80] <- 0x7fff5fbff520 ; caller's fp
    0x7fff5fbff4b0: [top + 72] <- 0x15440006f679; context
    0x7fff5fbff4a8: [top + 64] <- 0x396f0f0a37d1; function
    0x7fff5fbff4a0: [top + 56] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff498: [top + 48] <- 0x396f0f1050f9 ; [sp + 16] 0x396f0f1050f9 <JS Function sumPairwiseBlock1 (SharedFunctionInfo 0xf9163522809)>
    0x7fff5fbff490: [top + 40] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff488: [top + 32] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff480: [top + 24] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff478: [top + 16] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff470: [top + 8] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff468: [top + 0] <- 0x396f0f1819f1 ; rax 0x396f0f1819f1 <a View1dfloat64 with map 0x2fe392d0b9f1>
[deoptimizing (soft): end 0x396f0f0a37d1  @29 => node=135, pc=0x3198801a827f, state=TOS_REG, alignment=no padding, took 0.222 ms]
[removing optimized code for: ]
[evicting entry from optimizing code map (notify deoptimized) for 0xf916351d941 <SharedFunctionInfo> (osr ast id 83)]
[marking 0x396f0f1050f9 <JS Function sumPairwiseBlock1 (SharedFunctionInfo 0xf9163522809)> for recompilation, reason: hot and stable, ICs with typeinfo: 17/24 (70%), generic ICs: 0/24 (0%)]
[optimizing 0x396f0e00f111 <JS Function sumPairwiseBlock1 (SharedFunctionInfo 0xf9163522809)> - took 0.084, 0.333, 0.144 ms]
[deoptimizing (DEOPT soft): begin 0x396f0e00f111 sumPairwiseBlock1 (opt #9) @24, FP to SP delta: 144]
            ;;; deoptimize: Insufficient type feedback for keyed load
  translating sumPairwiseBlock1 => node=132, height=40
    0x7fff5fbff428: [top + 104] <- 0x154400004121 ; r14 0x154400004121 <undefined>
    0x7fff5fbff420: [top + 96] <- 0x396f0e00fb29 ; [sp + 32] 0x396f0e00fb29 <a Float64Array with map 0xdf709310239>
    0x7fff5fbff418: [top + 88] <- 1000000 ; [sp + 0] (smi)
    0x7fff5fbff410: [top + 80] <- 1000000 ; r8 (smi)
    0x7fff5fbff408: [top + 72] <- 1 ; [sp + 40] (smi)
    0x7fff5fbff400: [top + 64] <- 0x31988011e8d5 ; caller's pc
    0x7fff5fbff3f8: [top + 56] <- 0x7fff5fbff448 ; caller's fp
    0x7fff5fbff3f0: [top + 48] <- 0x396f0e00f0d9; context
    0x7fff5fbff3e8: [top + 40] <- 0x396f0e00f111; function
    0x7fff5fbff3e0: [top + 32] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff3d8: [top + 24] <- 0x154400004121 <undefined> ; literal
    0x7fff5fbff3d0: [top + 16] <- 0x700000000 ; [sp + 16] 7
    0x7fff5fbff3c8: [top + 8] <- 0x396f0e012e49 ; [sp + 24] 0x396f0e012e49 <JS Array[20]>
    0x7fff5fbff3c0: [top + 0] <- 0x154400004121 <undefined> ; literal
[deoptimizing (soft): end 0x396f0e00f111 sumPairwiseBlock1 @24 => node=132, pc=0x3198801cacbf, state=NO_REGISTERS, alignment=no padding, took 0.056 ms]
[removing optimized code for: sumPairwiseBlock1]
[evicting entry from optimizing code map (notify deoptimized) for 0xf9163522809 <SharedFunctionInfo sumPairwiseBlock1> (osr ast id 133)]

trace.js

'use strict';

var ndarray = require('ndarray');
var block1PairwiseSum = require('../src/block-1-pairwise');

var n = 1000000;
var data = new Float64Array(n);
for (var i = 0; i < n; i++) {
  data[i] = Math.random() * n;
}
var A = ndarray(data);
var computed = block1PairwiseSum(A.data);
console.log(computed);