firefox mem

Main Process

Explicit Allocations
133.80 MB (100.0%) -- explicit
├───77.13 MB (57.65%) -- js-non-window
│   ├──43.57 MB (32.56%) -- compartments
│   │  ├──37.99 MB (28.39%) -- non-window-global
│   │  │  ├──18.06 MB (13.50%) ++ (151 tiny)
│   │  │  ├──12.74 MB (09.52%) -- compartment([System Principal], chrome://simpleadblock-modules/content/FilterClasses.jsm)
│   │  │  │  ├───9.77 MB (07.30%) -- gc-heap
│   │  │  │  │   ├──5.20 MB (03.88%) ── unused-gc-things
│   │  │  │  │   ├──2.82 MB (02.11%) -- objects
│   │  │  │  │   │  ├──2.81 MB (02.10%) ── non-function
│   │  │  │  │   │  └──0.01 MB (00.01%) ── function
│   │  │  │  │   └──1.75 MB (01.31%) ++ (4 tiny)
│   │  │  │  ├───1.79 MB (01.34%) ── string-chars
│   │  │  │  └───1.19 MB (00.89%) ++ (4 tiny)
│   │  │  ├───3.25 MB (02.43%) -- compartment([System Principal], chrome://simpleadblock-modules/content/Synchronizer.jsm)
│   │  │  │   ├──2.00 MB (01.49%) ── cross-compartment-wrappers
│   │  │  │   └──1.25 MB (00.94%) ++ (4 tiny)
│   │  │  ├───2.55 MB (01.90%) ++ compartment([System Principal], chrome://simpleadblock-modules/content/FilterListener.jsm)
│   │  │  └───1.38 MB (01.03%) ++ compartment([System Principal], chrome://browser/content/browser.xul)
│   │  └───5.58 MB (04.17%) -- no-global
│   │      ├──5.58 MB (04.17%) -- compartment(atoms)
│   │      │  ├──3.74 MB (02.79%) ── string-chars
│   │      │  ├──1.84 MB (01.38%) -- gc-heap
│   │      │  │  ├──1.60 MB (01.19%) ── strings
│   │      │  │  └──0.24 MB (00.18%) ++ (2 tiny)
│   │      │  └──0.00 MB (00.00%) ── other-sundries
│   │      └──0.00 MB (00.00%) ── compartment(about:blank)/other-sundries
│   ├──29.39 MB (21.97%) -- gc-heap
│   │  ├──27.76 MB (20.75%) ── decommitted-arenas
│   │  └───1.63 MB (01.22%) ++ (3 tiny)
│   └───4.17 MB (03.11%) -- runtime
│       ├──2.17 MB (01.62%) ++ (13 tiny)
│       └──2.00 MB (01.49%) ── atoms-table
├───18.45 MB (13.79%) -- window-objects
│   ├───5.89 MB (04.40%) -- top(http://superuser.com/questions/523807/unusual-memory-usage-spike#comment631825_523807, id=79)/active
│   │   ├──3.94 MB (02.94%) -- window(http://superuser.com/questions/523807/unusual-memory-usage-spike#comment631825_523807)
│   │   │  ├──2.10 MB (01.57%) ++ js/compartment(http://superuser.com/questions/523807/unusual-memory-usage-spike#comment631825_523807)
│   │   │  └──1.84 MB (01.38%) ++ (4 tiny)
│   │   └──1.95 MB (01.46%) -- window(http://superuser.com/questions/)
│   │      ├──1.95 MB (01.46%) ++ js/compartment(http://superuser.com/questions/)
│   │      └──0.00 MB (00.00%) ── dom/other
│   ├───5.69 MB (04.26%) -- top(http://www.google.co.in/, id=9)/active
│   │   ├──5.44 MB (04.07%) -- window(http://www.google.co.in/)
│   │   │  ├──3.93 MB (02.94%) -- js/compartment(http://www.google.co.in/)
│   │   │  │  ├──1.82 MB (01.36%) ++ gc-heap
│   │   │  │  ├──1.51 MB (01.13%) ── script-data
│   │   │  │  └──0.60 MB (00.45%) ++ (5 tiny)
│   │   │  └──1.51 MB (01.13%) ++ (4 tiny)
│   │   └──0.25 MB (00.19%) ++ window(about:blank)
│   ├───5.31 MB (03.97%) -- top(chrome://browser/content/browser.xul, id=3)/active
│   │   ├──5.21 MB (03.89%) -- window(chrome://browser/content/browser.xul)
│   │   │  ├──3.39 MB (02.53%) ++ js/compartment([System Principal], about:blank)
│   │   │  └──1.82 MB (01.36%) ++ (4 tiny)
│   │   └──0.10 MB (00.07%) ++ window(about:blank)
│   └───1.56 MB (01.16%) ++ (3 tiny)
├───17.14 MB (12.81%) ── heap-unclassified
├───14.19 MB (10.60%) -- storage
│   ├──12.72 MB (09.51%) -- sqlite
│   │  ├───7.45 MB (05.57%) -- places.sqlite
│   │  │   ├──7.19 MB (05.37%) ── cache-used [4]
│   │  │   └──0.26 MB (00.19%) ++ (2 tiny)
│   │  ├───3.18 MB (02.38%) ++ (9 tiny)
│   │  └───2.10 MB (01.57%) ── other
│   └───1.46 MB (01.09%) ++ prefixset
├────3.29 MB (02.46%) ++ (10 tiny)
├────1.85 MB (01.38%) -- images
│    ├──1.66 MB (01.24%) ++ content
│    └──0.19 MB (00.14%) ++ chrome
└────1.75 MB (01.31%) ++ gfx

Other Measurements
172 (100.0%) -- js-compartments
├──163 (94.77%) ── system
└────9 (05.23%) ── user

90.08 MB (100.0%) -- js-main-runtime
├──56.52 MB (62.74%) -- compartments
│  ├──30.61 MB (33.97%) -- gc-heap
│  │  ├──13.66 MB (15.17%) ── unused-gc-things
│  │  ├───7.40 MB (08.21%) -- objects
│  │  │   ├──5.37 MB (05.97%) ── non-function
│  │  │   └──2.02 MB (02.25%) ── function
│  │  ├───4.33 MB (04.81%) -- shapes
│  │  │   ├──2.35 MB (02.61%) ── dict
│  │  │   ├──1.36 MB (01.51%) ── tree
│  │  │   └──0.62 MB (00.69%) ── base
│  │  ├───2.86 MB (03.17%) ── strings
│  │  ├───1.82 MB (02.02%) ── scripts
│  │  └───0.54 MB (00.60%) ++ (3 tiny)
│  ├───7.03 MB (07.80%) ── string-chars
│  ├───6.01 MB (06.67%) ── script-data
│  ├───4.36 MB (04.85%) ── analysis-temporary
│  ├───3.51 MB (03.89%) ── cross-compartment-wrappers
│  ├───2.65 MB (02.94%) -- objects
│  │   ├──2.40 MB (02.66%) ── slots
│  │   └──0.25 MB (00.28%) ++ (2 tiny)
│  ├───2.07 MB (02.29%) ++ shapes-extra
│  └───0.30 MB (00.33%) ++ (3 tiny)
├──29.39 MB (32.63%) -- gc-heap
│  ├──27.76 MB (30.82%) ── decommitted-arenas
│  ├───0.94 MB (01.04%) ── chunk-admin
│  └───0.70 MB (00.77%) ++ (2 tiny)
└───4.17 MB (04.62%) ── runtime

32.24 MB (100.0%) -- js-main-runtime-gc-heap-committed
├──17.88 MB (55.47%) -- used
│  ├──16.77 MB (52.03%) ── gc-things
│  ├───0.94 MB (02.91%) ── chunk-admin
│  └───0.17 MB (00.53%) ── arena-admin
└──14.36 MB (44.53%) -- unused
   ├──13.66 MB (42.38%) ── gc-things
   ├───0.70 MB (02.16%) ── arenas
   └───0.00 MB (00.00%) ── chunks

0 (100.0%) -- low-memory-events
├──0 (100.0%) ── physical
└──0 (100.0%) ── virtual

5.49 MB (100.0%) -- window-objects
├──3.39 MB (61.70%) -- layout
│  ├──2.18 MB (39.72%) ── style-sets
│  ├──0.60 MB (10.99%) ── pres-shell
│  ├──0.25 MB (04.52%) ── frames
│  ├──0.13 MB (02.37%) ── rule-nodes
│  ├──0.12 MB (02.14%) ── style-contexts
│  └──0.11 MB (01.96%) ++ (3 tiny)
├──1.26 MB (22.96%) ── style-sheets
├──0.84 MB (15.23%) -- dom
│  ├──0.46 MB (08.39%) ── element-nodes
│  ├──0.19 MB (03.48%) ── text-nodes
│  ├──0.18 MB (03.35%) ── other
│  └──0.00 MB (00.01%) ++ (2 tiny)
└──0.01 MB (00.11%) ── property-tables

  0.00 MB ── canvas-2d-pixel-bytes
133.68 MB ── explicit
  0.00 MB ── gfx-d2d-surfacecache
  0.00 MB ── gfx-d2d-surfacevram
  0.00 MB ── gfx-d2d-vram-drawtarget
  0.00 MB ── gfx-d2d-vram-sourcesurface
  0.00 MB ── gfx-surface-image
  1.64 MB ── gfx-surface-win32
        0 ── ghost-windows
 70.48 MB ── heap-allocated
 79.77 MB ── heap-committed
  9.28 MB ── heap-committed-unused
   13.15% ── heap-committed-unused-ratio
  1.16 MB ── heap-dirty
 35.52 MB ── heap-unused
  1.06 MB ── images-content-used-uncompressed
 60.00 MB ── js-gc-heap
        0 ── low-commit-space-events
165.68 MB ── private
182.86 MB ── resident
  0.02 MB ── shmem-allocated
  0.02 MB ── shmem-mapped
 12.72 MB ── storage-sqlite
389.89 MB ── vsize