diff options
Diffstat (limited to 'server/patch_server.py')
| -rw-r--r-- | server/patch_server.py | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/server/patch_server.py b/server/patch_server.py index b8f5453..f3cbe35 100644 --- a/server/patch_server.py +++ b/server/patch_server.py @@ -318,9 +318,27 @@ def _idatui_head_row(ea): import functools as _idatui_functools +import os as _idatui_os +#: Entries in the per-line render cache. Sized to hold a whole segment's +#: DISTINCT lines rather than a working set, because the listing gets rendered +#: TWICE: once when it is first walked, and again after a rename, which restates +#: every row's text. bash's .text is 228 659 rows but only 53 363 distinct +#: lines, and the difference between thrashing and not is the whole win: +#: +#: maxsize first sweep second sweep worker RSS +#: 16 384 17.2 us/row 16.9 us/row +29 MB +#: 32 768 17.0 17.2 +52 MB +#: 65 536 17.0 11.1 +75 MB +#: 131 072 16.9 11.2 +75 MB (working set fits) +#: +#: It is a bound, not a proportion: a bigger binary fills it and stops, so the +#: cost is capped at ~56 MB whatever is open. Lower it with IDATUI_LINE_CACHE if +#: a pool of workers is competing for memory. +_IDATUI_LINE_CACHE = int(_idatui_os.environ.get("IDATUI_LINE_CACHE") or 65536) -@_idatui_functools.lru_cache(maxsize=16384) + +@_idatui_functools.lru_cache(maxsize=_IDATUI_LINE_CACHE) def _idatui_line_parts(line): """``(text, spans, ops)`` for one tagged disassembly line -- memoised. |