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Liberty file caching with new libcache command

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This adds optional in-memory caching of parsed liberty files to speed up
flows that repeatedly parse the same liberty files. To avoid increasing
the memory overhead by default, the caching is disabled by default. The
caching can be controlled globally or on a per path basis using the new
`libcache` command, which also allows purging cached data.
This commit is contained in:
Jannis Harder
2025-04-03 13:39:35 +02:00
parent 26a4b9b0c6
commit 0f13b55173
9 changed files with 253 additions and 17 deletions
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passes/cmds/stat.cc
+1 -1
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@@ -352,7 +352,7 @@ void read_liberty_cellarea(dict<IdString, cell_area_t> &cell_area, string libert
yosys_input_files.insert(liberty_file);
if (f->fail())
log_cmd_error("Can't open liberty file `%s': %s\n", liberty_file.c_str(), strerror(errno));
LibertyParser libparser(*f);
LibertyParser libparser(*f, liberty_file);
delete f;
for (auto cell : libparser.ast->children)