papandreou/sharp-mem-usage#0678a2a38 (Buffer-based input)

gistfile1.txt

[sharp-mem-usage]$ node --trace-gc test.js
[21672]       28 ms: Scavenge 2.0 (34.0) -> 1.7 (36.0) MB, 0 ms [allocation failure].
[21672]       35 ms: Scavenge 2.6 (37.0) -> 2.2 (37.0) MB, 0 ms [Runtime::PerformGC].
[21672]       44 ms: Scavenge 3.1 (38.0) -> 2.6 (38.0) MB, 0 ms [allocation failure].
[21672]       65 ms: Scavenge 4.9 (38.0) -> 3.6 (38.0) MB, 0 ms [allocation failure].
example before iteration #1 { rss: 36028416, heapTotal: 10324992, heapUsed: 4784416 }
example before iteration #2 { rss: 38891520, heapTotal: 10324992, heapUsed: 4971272 }
example before iteration #3 { rss: 44457984, heapTotal: 10324992, heapUsed: 5021840 }
example before iteration #4 { rss: 48631808, heapTotal: 10324992, heapUsed: 5039168 }
example before iteration #5 { rss: 57774080, heapTotal: 10324992, heapUsed: 5056496 }
example before iteration #6 { rss: 60698624, heapTotal: 10324992, heapUsed: 5076048 }
example before iteration #7 { rss: 64602112, heapTotal: 10324992, heapUsed: 5093376 }
example before iteration #8 { rss: 69406720, heapTotal: 10324992, heapUsed: 5110544 }
example before iteration #9 { rss: 69591040, heapTotal: 10324992, heapUsed: 5127712 }
example before iteration #10 { rss: 69652480, heapTotal: 10324992, heapUsed: 5144816 }
example before iteration #11 { rss: 65019904, heapTotal: 10324992, heapUsed: 5161952 }
example before iteration #12 { rss: 69890048, heapTotal: 10324992, heapUsed: 5179056 }
example before iteration #13 { rss: 70098944, heapTotal: 10324992, heapUsed: 5196160 }
example before iteration #14 { rss: 70279168, heapTotal: 10324992, heapUsed: 5218968 }
example before iteration #15 { rss: 65441792, heapTotal: 10324992, heapUsed: 5236104 }
example before iteration #16 { rss: 70361088, heapTotal: 10324992, heapUsed: 5253240 }
example before iteration #17 { rss: 70414336, heapTotal: 10324992, heapUsed: 5270344 }
example before iteration #18 { rss: 70823936, heapTotal: 10324992, heapUsed: 5287480 }
example before iteration #19 { rss: 75505664, heapTotal: 10324992, heapUsed: 5304616 }
example before iteration #20 { rss: 70971392, heapTotal: 10324992, heapUsed: 5321752 }
example before iteration #21 { rss: 71041024, heapTotal: 10324992, heapUsed: 5338888 }
example before iteration #22 { rss: 71049216, heapTotal: 10324992, heapUsed: 5356024 }
example before iteration #23 { rss: 66269184, heapTotal: 10324992, heapUsed: 5373160 }
example before iteration #24 { rss: 71180288, heapTotal: 10324992, heapUsed: 5390296 }
example before iteration #25 { rss: 71245824, heapTotal: 10324992, heapUsed: 5407432 }
example before iteration #26 { rss: 71401472, heapTotal: 10324992, heapUsed: 5424536 }
example before iteration #27 { rss: 66482176, heapTotal: 10324992, heapUsed: 5443408 }
example before iteration #28 { rss: 61882368, heapTotal: 10324992, heapUsed: 5462280 }
example before iteration #29 { rss: 61947904, heapTotal: 10324992, heapUsed: 5485816 }
example before iteration #30 { rss: 66678784, heapTotal: 10324992, heapUsed: 5502952 }
example before iteration #31 { rss: 66908160, heapTotal: 10324992, heapUsed: 5522056 }
example before iteration #32 { rss: 66834432, heapTotal: 10324992, heapUsed: 5539160 }
example before iteration #33 { rss: 62455808, heapTotal: 10324992, heapUsed: 5558296 }
example before iteration #34 { rss: 67256320, heapTotal: 10324992, heapUsed: 5579600 }
example before iteration #35 { rss: 67465216, heapTotal: 10324992, heapUsed: 5598472 }
example before iteration #36 { rss: 67371008, heapTotal: 10324992, heapUsed: 5615576 }
example before iteration #37 { rss: 67600384, heapTotal: 10324992, heapUsed: 5632712 }
example before iteration #38 { rss: 67571712, heapTotal: 10324992, heapUsed: 5649848 }
example before iteration #39 { rss: 62803968, heapTotal: 10324992, heapUsed: 5666984 }
example before iteration #40 { rss: 67780608, heapTotal: 10324992, heapUsed: 5684120 }
example before iteration #41 { rss: 63262720, heapTotal: 10324992, heapUsed: 5701256 }
example before iteration #42 { rss: 63340544, heapTotal: 10324992, heapUsed: 5718392 }
example before iteration #43 { rss: 68018176, heapTotal: 10324992, heapUsed: 5741224 }
example before iteration #44 { rss: 63369216, heapTotal: 10324992, heapUsed: 5758360 }
example before iteration #45 { rss: 68423680, heapTotal: 11344896, heapUsed: 5797064 }
example before iteration #46 { rss: 68657152, heapTotal: 11344896, heapUsed: 5814232 }
example before iteration #47 { rss: 63946752, heapTotal: 11344896, heapUsed: 5831368 }
example before iteration #48 { rss: 68730880, heapTotal: 11344896, heapUsed: 5848504 }
example before iteration #49 { rss: 64004096, heapTotal: 11344896, heapUsed: 5865640 }
example before iteration #50 { rss: 64057344, heapTotal: 11344896, heapUsed: 5882776 }
example before iteration #51 { rss: 64110592, heapTotal: 11344896, heapUsed: 5901656 }
example before iteration #52 { rss: 68861952, heapTotal: 11344896, heapUsed: 5918792 }
example before iteration #53 { rss: 69107712, heapTotal: 11344896, heapUsed: 5939152 }
example before iteration #54 { rss: 64335872, heapTotal: 11344896, heapUsed: 5956288 }
[21672]    40798 ms: Mark-sweep 5.7 (40.0) -> 4.1 (40.0) MB, 4 ms [allocation failure] [promotion limit reached].
example before iteration #55 { rss: 55984128, heapTotal: 11344896, heapUsed: 4332752 }
example before iteration #56 { rss: 59932672, heapTotal: 11344896, heapUsed: 4368456 }
example before iteration #57 { rss: 58966016, heapTotal: 11344896, heapUsed: 4390112 }
example before iteration #58 { rss: 67502080, heapTotal: 11344896, heapUsed: 4407248 }
example before iteration #59 { rss: 62840832, heapTotal: 11344896, heapUsed: 4424384 }
example before iteration #60 { rss: 62955520, heapTotal: 11344896, heapUsed: 4441520 }
example before iteration #61 { rss: 67874816, heapTotal: 11344896, heapUsed: 4458656 }
example before iteration #62 { rss: 67940352, heapTotal: 11344896, heapUsed: 4475792 }
example before iteration #63 { rss: 62869504, heapTotal: 11344896, heapUsed: 4492928 }
example before iteration #64 { rss: 67743744, heapTotal: 11344896, heapUsed: 4510064 }
example before iteration #65 { rss: 63221760, heapTotal: 11344896, heapUsed: 4527200 }
example before iteration #66 { rss: 68001792, heapTotal: 11344896, heapUsed: 4547656 }
example before iteration #67 { rss: 67833856, heapTotal: 11344896, heapUsed: 4578992 }
example before iteration #68 { rss: 67964928, heapTotal: 11344896, heapUsed: 4613368 }
example before iteration #69 { rss: 68030464, heapTotal: 11344896, heapUsed: 4630504 }
example before iteration #70 { rss: 68132864, heapTotal: 11344896, heapUsed: 4647640 }
example before iteration #71 { rss: 68120576, heapTotal: 11344896, heapUsed: 4664776 }
example before iteration #72 { rss: 63279104, heapTotal: 11344896, heapUsed: 4691512 }
example before iteration #73 { rss: 68214784, heapTotal: 11344896, heapUsed: 4708648 }
example before iteration #74 { rss: 68251648, heapTotal: 11344896, heapUsed: 4725784 }
example before iteration #75 { rss: 63533056, heapTotal: 11344896, heapUsed: 4742920 }
example before iteration #76 { rss: 68395008, heapTotal: 11344896, heapUsed: 4760056 }
example before iteration #77 { rss: 68325376, heapTotal: 11344896, heapUsed: 4777192 }
example before iteration #78 { rss: 68349952, heapTotal: 11344896, heapUsed: 4794328 }
example before iteration #79 { rss: 68349952, heapTotal: 11344896, heapUsed: 4811464 }
example before iteration #80 { rss: 68362240, heapTotal: 11344896, heapUsed: 4828568 }
example before iteration #81 { rss: 68464640, heapTotal: 11344896, heapUsed: 4845704 }
example before iteration #82 { rss: 63819776, heapTotal: 11344896, heapUsed: 4862840 }
example before iteration #83 { rss: 68501504, heapTotal: 11344896, heapUsed: 4879976 }
example before iteration #84 { rss: 68784128, heapTotal: 11344896, heapUsed: 4897112 }
example before iteration #85 { rss: 68784128, heapTotal: 11344896, heapUsed: 4914248 }
example before iteration #86 { rss: 69005312, heapTotal: 11344896, heapUsed: 4933168 }
example before iteration #87 { rss: 69038080, heapTotal: 11344896, heapUsed: 4952872 }
example before iteration #88 { rss: 69103616, heapTotal: 11344896, heapUsed: 4970008 }
example before iteration #89 { rss: 64073728, heapTotal: 11344896, heapUsed: 4989320 }
example before iteration #90 { rss: 69107712, heapTotal: 11344896, heapUsed: 5010760 }
example before iteration #91 { rss: 64438272, heapTotal: 11344896, heapUsed: 5027896 }
example before iteration #92 { rss: 69365760, heapTotal: 11344896, heapUsed: 5045032 }
example before iteration #93 { rss: 73945088, heapTotal: 11344896, heapUsed: 5062168 }
example before iteration #94 { rss: 74051584, heapTotal: 11344896, heapUsed: 5079304 }
example before iteration #95 { rss: 74104832, heapTotal: 11344896, heapUsed: 5096440 }
example before iteration #96 { rss: 74326016, heapTotal: 11344896, heapUsed: 5113576 }
example before iteration #97 { rss: 74280960, heapTotal: 11344896, heapUsed: 5130712 }
example before iteration #98 { rss: 74301440, heapTotal: 11344896, heapUsed: 5147848 }
example before iteration #99 { rss: 74252288, heapTotal: 11344896, heapUsed: 5168632 }
example before iteration #100 { rss: 70189056, heapTotal: 11344896, heapUsed: 5230544 }
[21672]    75679 ms: Mark-sweep 5.1 (40.0) -> 4.2 (40.0) MB, 5 ms [HeapSnapshotGenerator::GenerateSnapshot] [GC in old space requested].
[21672]    75683 ms: Mark-sweep 4.2 (40.0) -> 4.2 (40.0) MB, 4 ms [HeapSnapshotGenerator::GenerateSnapshot] [GC in old space requested].