octane benchmark faults on ppc64le

[thilo-maurer]

Running Octane 2.0 Benchmark (from https://www.npmjs.com/package/benchmark-octane) on Ubuntu 14.04.3 on ppc64le (POWER 8) faults with following messages. Looks the error is at the beginning of the RegExp benchmark.

    hostname     : pnode5
    node version : v0.10.25
      V8 version : 3.14.5.9
 platform & arch : linux ppc64

 config : { target_defaults: 
   { cflags: [],
     default_configuration: 'Release',
     defines: [],
     include_dirs: [],
     libraries: 
      [ '-lz',
        '-lcares',
        '-lv8',
        '-lssl',
        '-lcrypto' ] },
  variables: 
   { clang: 0,
     gcc_version: 48,
     host_arch: 'ppc64',
     node_byteorder: 'little',
     node_install_npm: false,
     node_prefix: '/usr',
     node_shared_cares: true,
     node_shared_http_parser: false,
     node_shared_libuv: false,
     node_shared_openssl: true,
     node_shared_v8: true,
     node_shared_zlib: true,
     node_tag: '',
     node_unsafe_optimizations: 0,
     node_use_dtrace: false,
     node_use_etw: false,
     node_use_openssl: true,
     node_use_perfctr: false,
     node_use_systemtap: false,
     python: '/usr/bin/python',
     target_arch: 'ppc64',
     v8_enable_gdbjit: 0,
     v8_no_strict_aliasing: 1,
     v8_use_snapshot: false } }

Richards            : 5821
DeltaBlue           : 7967
Crypto              : 4995
RayTrace            : 5737
EarleyBoyer         : 12089
Stacktrace (dead0000-dead0001) 0x5fe04141 0x5fe04101: 
==== Stack trace ============================================

Security context: 0x42106b71 <JS Object>#0#
    1: DefaultString [native runtime.js:646] (this=0x42107c19 <JS Object>#1#,a=0x5fe04141 <Map(elements=0)>#2#)
    2: NonStringToString(aka NonStringToString) [native runtime.js:562] (this=0x42104121 <undefined>,a=0x5fe04141 <Map(elements=0)>#2#)
    3: exec [native regexp.js:~168] (this=0x5170ae61 <JS RegExp>#3#,a=0x5fe04141 <Map(elements=0)>#2#)
    4: Exec [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:~74] (this=0x42106c91 <JS Global Object>#4#,re=0x5170ae61 <JS RegExp>#3#,string=0x5fe04141 <Map(elements=0)>#2#)
    5: runBlock0(aka runBlock0) [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:~133] (this=0)
    6: run [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:1788] (this=0x51704ac1 <a RegExpBenchmark>#5#)
    7: RegExpRun [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:53] (this=0x42106c91 <JS Global Object>#4#)
    8: Setup(aka RegExpSetup) [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:49] (this=0x3fff80564111 <a Benchmark>#6#)
    9: RunNextSetup [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/base.js:356] (this=0x42106c91 <JS Global Object>#4#)
   10: RunStep [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/base.js:389] (this=0x3fff80564171 <a BenchmarkSuite>#7#,runner=0x53bc5619 <an Object>#8#)
   11: RunStep [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/base.js:157] (this=0x42106c91 <JS Global Object>#4#)
   12: RunSuites [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/base.js:173] (this=0x4215a911 <JS Function BenchmarkSuite>#9#,runner=0x53bc5619 <an Object>#8#,skipBenchmarks=0x42104121 <undefined>)
   13: arguments adaptor frame: 1->2
   14: run [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane.js:112] (this=0x53bc3da1 <an Object>#10#)
   15: /* anonymous */ [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/run.js:3] (this=0x3fff8050d051 <an Object>#11#,exports=0x3fff8050d051 <an Object>#11#,require=0x3fff8050cf61 <JS Function require>#12#,module=0x3fff8050ce91 <a Module>#13#,__filename=0x3ba6cb29 <String[64]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/run.js>,__dirname=0x3fff8050d029 <String[57]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane>)
   17: _compile [module.js:456] (this=0x3fff8050ce91 <a Module>#13#,content=0x3ba6cc59 <String[56]\: var octane = require('./lib/octane.js');\n\noctane.run();\n>,filename=0x3ba6cb29 <String[64]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/run.js>)
   18: .js [module.js:474] (this=0x3fff8050ce79 <an Object>#14#,module=0x3fff8050ce91 <a Module>#13#,filename=0x3ba6cb29 <String[64]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/run.js>)
   19: load [module.js:356] (this=0x3fff8050ce91 <a Module>#13#,filename=0x3ba6cb29 <String[64]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/run.js>)
   20: _load [module.js:312] (this=0x3fff8050cf19 <JS Function Module>#15#,request=0x5e3305f1 <String[9]: ../run.js>,parent=0x3fff8050d089 <a Module>#16#,isMain=0x42104121 <undefined>)
   21: arguments adaptor frame: 2->3
   22: require [module.js:364] (this=0x3fff8050d089 <a Module>#16#,path=0x5e3305f1 <String[9]: ../run.js>)
   23: require [module.js:380] (this=0x42106c91 <JS Global Object>#4#,path=0x5e3305f1 <String[9]: ../run.js>)
   24: /* anonymous */ [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin/benchmark-octane2:3] (this=0x3fff8050d201 <an Object>#17#,exports=0x3fff8050d201 <an Object>#17#,require=0x3fff8050d111 <JS Function require>#18#,module=0x3fff8050d089 <a Module>#16#,__filename=0x3ba6ccc9 <String[79]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin/benchmark-octane2>,__dirname=0x3fff8050d1d9 <String[61]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin>)
   26: _compile [module.js:456] (this=0x3fff8050d089 <a Module>#16#,content=0x3ba6cdf9 <String[24]\: \n\nrequire('../run.js');\n>,filename=0x3ba6ccc9 <String[79]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin/benchmark-octane2>)
   27: .js [module.js:474] (this=0x3fff8050ce79 <an Object>#14#,module=0x3fff8050d089 <a Module>#16#,filename=0x3ba6ccc9 <String[79]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin/benchmark-octane2>)
   28: load [module.js:356] (this=0x3fff8050d089 <a Module>#16#,filename=0x3ba6ccc9 <String[79]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin/benchmark-octane2>)
   29: _load [module.js:312] (this=0x3fff8050cf19 <JS Function Module>#15#,request=0x3ba6ce71 <String[79]: /gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/bin/benchmark-octane2>,parent=0x42104101 <null>,isMain=0x42104141 <true>)
   30: runMain [module.js:497] (this=0x3fff8050cf19 <JS Function Module>#15#)
   31: startup [node.js:119] (this=0x42106c91 <JS Global Object>#4#)
   32: /* anonymous */ [node.js:902] (this=0x42106c91 <JS Global Object>#4#,process=0x3fff8050d3d1 <a process>#19#)

==== Details ================================================

[1]: DefaultString [native runtime.js:646] (this=0x42107c19 <JS Object>#1#,a=0x5fe04141 <Map(elements=0)>#2#) {
  // stack-allocated locals
  var b = 0x42104121 <undefined>
  var c = 0x42104121 <undefined>
  var d = 0x42104121 <undefined>
  var e = 0x42104121 <undefined>
  // expression stack (top to bottom)
  [05] : 0x5e304819 <String[8]: toString>
  [04] : 0x5fe04141 <Map(elements=0)>#2#
--------- s o u r c e   c o d e ---------
function DefaultString(a){?var b=a.toString;?if((%_ClassOf(b)==='Function')){?var c=%_CallFunction(a,b);?if(%IsPrimitive(c))return c;?}??var d=a.valueOf;?if((%_ClassOf(d)==='Function')){?var e=%_CallFunction(a,d);?if(%IsPrimitive(e))return e;?}??throw %MakeTypeError('cannot_convert_to_primitive',[]);?}
-----------------------------------------
}

[2]: NonStringToString(aka NonStringToString) [native runtime.js:562] (this=0x42104121 <undefined>,a=0x5fe04141 <Map(elements=0)>#2#) {
  // expression stack (top to bottom)
  [02] : 0x5fe04141 <Map(elements=0)>#2#
  [01] : 0x42107c19 <JS Object>#1#
  [00] : 0x42107c19 <JS Object>#1#
--------- s o u r c e   c o d e ---------
function NonStringToString(a){?if((typeof(a)==='number'))return %_NumberToString(a);?if((typeof(a)==='boolean'))return a?'true':'false';?if((typeof(a)==='undefined'))return'undefined';?return((a===null))?'null':%ToString(%DefaultString(a));?}
-----------------------------------------
}

[3]: exec [native regexp.js:~168] (this=0x5170ae61 <JS RegExp>#3#,a=0x5fe04141 <Map(elements=0)>#2#) {
// optimized frame
}
[4]: Exec [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:~74] (this=0x42106c91 <JS Global Object>#4#,re=0x5170ae61 <JS RegExp>#3#,string=0x5fe04141 <Map(elements=0)>#2#) {
// optimized frame
}
[5]: runBlock0(aka runBlock0) [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:~133] (this=0) {
// optimized frame
}
[6]: run [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:1788] (this=0x51704ac1 <a RegExpBenchmark>#5#) {
  // stack-allocated locals
  var i = 1
  var sum = 0
  // expression stack (top to bottom)
  [04] : 0
  [03] : 0x5170ad09 <JS Function runBlock0>#20#
  [02] : 0
--------- s o u r c e   c o d e ---------
function run() {?    for (var i = 0; i < 5; i++) {?      var sum = 0;?      sum += runBlock0();?      sum += runBlock1();?      sum += runBlock2();?      sum += runBlock3();?      sum += runBlock4();?      sum += runBlock5();?      sum += runBlock6();?      sum += runBlock7();?      sum += runBlock8();?      su...

-----------------------------------------
}

[7]: RegExpRun [/gpfs/home/tmaurer/src/node.js-benchmark/benchmark-octane/lib/octane/regexp.js:53] (this=0x42106c91 <JS Global Object>#4#) {
  // expression stack (top to bottom)
  [00] : 0x51704ac1 <a RegExpBenchmark>#5#
--------- s o u r c e   c o d e ---------
function RegExpRun() {?  regExpBenchmark.run();?}
----
Trace/breakpoint trap

[bnoordhuis]

Is there a reason you're using v0.10.25? That's not even the latest v0.10 release, let alone the latest stable.

[gareth-ellis]

I've done a bit of digging and it seems that ubuntu delivers 0.10.25 via the package manager on ppcle. I went back and ran some old builds and found that the regex test in octane works in 0.10.31 and later, and as such in all 0.12 and 4 builds.

So it seems this bug is fixed upstream

[bnoordhuis]

Thanks for the analysis, @gareth-ellis. I'll close the issue then.

@thilo-maurer You may want to report this to Ubuntu, perhaps they can back-port the necessary fixes.