Benchmark of Discourse on Rails 5 master vs Rails 4.2.6

4.2.6

Your Results: (note for timings- percentile is first, duration is second in millisecs)
---
categories_admin:
  50: 53
  75: 55
  90: 58
  99: 69
home_admin:
  50: 50
  75: 52
  90: 56
  99: 63
topic_admin:
  50: 23
  75: 24
  90: 25
  99: 33
categories:
  50: 44
  75: 46
  90: 50
  99: 59
home:
  50: 32
  75: 33
  90: 37
  99: 43
topic:
  50: 8
  75: 9
  90: 9
  99: 16
timings:
  load_rails: 2405
ruby-version: 2.3.0-p0
rss_kb: 214580
pss_kb: 153709
architecture: amd64
virtual: physical
operatingsystem: Ubuntu
kernelversion: 4.2.0
physicalprocessorcount: 1
processor0: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
memorysize: 15.60 GB
rss_kb_29672: 271864
pss_kb_29672: 215141
rss_kb_29689: 270948
pss_kb_29689: 214076
rss_kb_29700: 271212
pss_kb_29700: 214388

gx-pc pid:29689 unicorn worker 1   c config/unicorn conf rb

GC STATS:
count: 96
heap_allocated_pages: 4199
heap_sorted_length: 4419
heap_allocatable_pages: 1047
heap_available_slots: 1711515
heap_live_slots: 821124
heap_free_slots: 890391
heap_final_slots: 0
heap_marked_slots: 821035
heap_swept_slots: 890725
heap_eden_pages: 3152
heap_tomb_pages: 1047
total_allocated_pages: 4235
total_freed_pages: 36
total_allocated_objects: 41476866
total_freed_objects: 40655742
malloc_increase_bytes: 15144
malloc_increase_bytes_limit: 22245543
minor_gc_count: 81
major_gc_count: 15
remembered_wb_unprotected_objects: 132372
remembered_wb_unprotected_objects_limit: 264744
old_objects: 671749
old_objects_limit: 1343498
oldmalloc_increase_bytes: 15592
oldmalloc_increase_bytes_limit: 37070207

Objects:
TOTAL: 1711515
FREE: 890259
T_STRING: 288301
T_ARRAY: 197255
T_HASH: 130710
T_IMEMO: 121529
T_OBJECT: 29267
T_DATA: 26987
T_CLASS: 10763
T_ICLASS: 4330
T_MODULE: 1471
T_RATIONAL: 737
T_NODE: 505
T_BIGNUM: 15
T_MATCH: 14
T_FLOAT: 11
T_FILE: 8
T_COMPLEX: 1

Process Info:
Name: ruby
State:  R (running)
Tgid: 29689
Ngid: 0
Pid:  29689
PPid: 29481
TracerPid:  0
Uid:  1000  1000  1000  1000
Gid:  1000  1000  1000  1000
FDSize: 64
Groups: 4 24 27 30 46 113 128 999 1000 
NStgid: 29689
NSpid:  29689
NSpgid: 28311
NSsid:  5941
VmPeak:   757128 kB
VmSize:   756100 kB
VmLck:         0 kB
VmPin:         0 kB
VmHWM:    270560 kB
VmRSS:    270560 kB
VmData:   532556 kB
VmStk:      8192 kB
VmExe:      2968 kB
VmLib:     25896 kB
VmPTE:       944 kB
VmPMD:        20 kB
VmSwap:        0 kB
Threads:  5
SigQ: 2/63235
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000008300801
SigCgt: 00000001c200764e
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: 0000003fffffffff
Seccomp:  0
Cpus_allowed: ff
Cpus_allowed_list:  0-7
Mems_allowed: 00000000,00000001
Mems_allowed_list:  0
voluntary_ctxt_switches:  39350
nonvoluntary_ctxt_switches: 67


Classes:
Class report omitted use ?full=1 to include it

Master

Your Results: (note for timings- percentile is first, duration is second in millisecs)
---
categories_admin:
  50: 57
  75: 60
  90: 65
  99: 77
home_admin:
  50: 52
  75: 54
  90: 59
  99: 70
topic_admin:
  50: 25
  75: 26
  90: 27
  99: 35
categories:
  50: 51
  75: 52
  90: 61
  99: 72
home:
  50: 32
  75: 34
  90: 37
  99: 42
topic:
  50: 9
  75: 9
  90: 9
  99: 17
timings:
  load_rails: 3008
ruby-version: 2.3.0-p0
rss_kb: 219584
pss_kb: 160526
architecture: amd64
virtual: physical
operatingsystem: Ubuntu
kernelversion: 4.2.0
physicalprocessorcount: 1
processor0: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
memorysize: 15.60 GB
rss_kb_26725: 287216
pss_kb_26725: 232094
rss_kb_26741: 288540
pss_kb_26741: 233332
rss_kb_26752: 283008
pss_kb_26752: 227865

gx-pc pid:26725 unicorn worker     c config/unicorn conf rb

GC STATS:
count: 105
heap_allocated_pages: 4149
heap_sorted_length: 4359
heap_allocatable_pages: 698
heap_available_slots: 1691111
heap_live_slots: 847016
heap_free_slots: 844095
heap_final_slots: 0
heap_marked_slots: 846882
heap_swept_slots: 844228
heap_eden_pages: 3451
heap_tomb_pages: 698
total_allocated_pages: 4153
total_freed_pages: 4
total_allocated_objects: 45619425
total_freed_objects: 44772409
malloc_increase_bytes: 9920
malloc_increase_bytes_limit: 18431659
minor_gc_count: 90
major_gc_count: 15
remembered_wb_unprotected_objects: 132475
remembered_wb_unprotected_objects_limit: 264950
old_objects: 696991
old_objects_limit: 1393982
oldmalloc_increase_bytes: 10368
oldmalloc_increase_bytes_limit: 30891839

Objects:
TOTAL: 1691111
FREE: 843937
T_STRING: 295108
T_ARRAY: 202430
T_HASH: 131389
T_IMEMO: 129601
T_OBJECT: 33786
T_DATA: 27273
T_CLASS: 11383
T_ICLASS: 4560
T_MODULE: 1567
T_RATIONAL: 737
T_NODE: 505
T_BIGNUM: 15
T_MATCH: 15
T_FLOAT: 11
T_FILE: 8
T_COMPLEX: 1

Process Info:
Name: ruby
State:  R (running)
Tgid: 26725
Ngid: 0
Pid:  26725
PPid: 26529
TracerPid:  0
Uid:  1000  1000  1000  1000
Gid:  1000  1000  1000  1000
FDSize: 64
Groups: 4 24 27 30 46 113 128 999 1000 
NStgid: 26725
NSpid:  26725
NSpgid: 24669
NSsid:  5941
VmPeak:   774744 kB
VmSize:   772500 kB
VmLck:         0 kB
VmPin:         0 kB
VmHWM:    286668 kB
VmRSS:    284820 kB
VmData:   546888 kB
VmStk:      8192 kB
VmExe:      2968 kB
VmLib:     25912 kB
VmPTE:       992 kB
VmPMD:        16 kB
VmSwap:        0 kB
Threads:  5
SigQ: 0/63235
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000008300801
SigCgt: 00000001c200764e
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: 0000003fffffffff
Seccomp:  0
Cpus_allowed: ff
Cpus_allowed_list:  0-7
Mems_allowed: 00000000,00000001
Mems_allowed_list:  0
voluntary_ctxt_switches:  43528
nonvoluntary_ctxt_switches: 146