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4849 Commits

Author SHA1 Message Date
Robert O'Callahan 3603cd52a0 Pass the module `Subpool` to `rmunused_module_signals` and parallelize that function 2026-03-06 02:20:08 +00:00
Robert O'Callahan 19a7c8fcf3 Pass the module `Subpool` to `rmunused_module_cells` and parallelize that function 2026-03-06 02:20:08 +00:00
Robert O'Callahan 8e044d1045 Pass the module `Subpool` to `rmunused_module_init` and parallelize that function 2026-03-06 02:20:06 +00:00
Robert O'Callahan a7437c636d Pass the toplevel thread pool to `rmunused_module`, create a `Subpool`, and parallelize `remove_temporary_cells` 2026-03-06 02:05:46 +00:00
Robert O'Callahan 887c32cb54 Create a toplevel `ParallelDispatchThreadPool` and parallelize `keep_cache_t::scan_module()` with it 2026-03-06 02:05:46 +00:00
Robert O'Callahan 72a21fe01d Introduce `RmStats` struct to encapsulate removal statistics 
Turns out this is not strictly necessary for this PR but it's
still a good thing to do and makes it clearer that the stats
are not modified in a possibly racy way.
 2026-03-06 02:05:43 +00:00
Robert O'Callahan c2bb7d6a82 Make `keep_cache_t` process all modules up-front instead of on-demand 
We will want to query `keep_cache` from parallel threads. If we compute
the results on-demand, that means we need synchronization for cache
access in those queries, which adds complexity and overhead. Instead, prefill
the cache with the status of all relevant modules. Note that this doesn't
actually do more work --- we always consult `keep_cache` for all cells of
all selected modules, so scanning all those cells and determining the kept
status of all dependency modules is always required.

Later in this PR we're going to parallelize `scan_module` itself, and that's also
much easier to do when no other parallel threads are running.
 2026-03-06 02:05:04 +00:00
Emil J 0d7a875675
Merge pull request #5512 from YosysHQ/emil/turbo-celltypes 
celltypes: compile-time lookup tables for internal cells
 2026-03-04 14:47:57 +00:00
nella 66bd4716cf rtlil use newcelltypes. 2026-03-04 12:39:45 +01:00
Emil J. Tywoniak ecb8b20f62 yosys: use newcelltypes for yosys_celltypes users 2026-03-04 12:39:44 +01:00
Emil J. Tywoniak 4ab22cbb97 abc: use newcelltypes 2026-03-04 12:22:14 +01:00
Emil J. Tywoniak 07ec8708e4 share: use newcelltypes 2026-03-04 12:22:14 +01:00
Emil J. Tywoniak 9e59f05c25 newcelltypes: wrap design celltypes support 2026-03-04 12:22:14 +01:00
Emil J. Tywoniak 35ccaa60d7 newcelltypes: TurboCellTypes -> StaticCellTypes 2026-03-04 12:22:14 +01:00
Emil J. Tywoniak 6adc08b0e5 opt_expr: use newcelltypes 2026-03-04 12:22:14 +01:00
Emil J. Tywoniak 3671d577a0 opt_clean: use newcelltypes 2026-03-04 12:22:14 +01:00
Miodrag Milanović 05d1d56b9d
Merge pull request #5704 from apullin/apullin/abc9-no-loops-fix 
abc9: preserve topological-loop asserts with targeted SCC fallback
 2026-03-04 11:09:38 +01:00
Miodrag Milanovic b7d013e6bf Fix help message for equiv passes 2026-03-04 07:46:40 +01:00
KrystalDelusion 1d3f9b7905
Merge pull request #5687 from YosysHQ/nella/pdr-doc 
Update help text for rename -witness and write_aiger -ywmap
 2026-03-02 09:29:25 +13:00
Andrew Pullin 5970be33fb abc9: preserve topological-loop asserts with targeted SCC fallback 
A real-world ABC9 flow hit residual combinational loops after SCC breaking, tripping the prep_xaiger loop assertion.

Keep the existing topological assertions in place (prep_xaiger and reintegrate still assert no_loops).

To handle residual non-box loops, add a targeted fallback in prep_xaiger: when loops remain after normal SCC breaking, insert additional $__ABC9_SCC_BREAKER cuts on non-box loop cells, rebuild toposort, and then re-check the existing assertion.

Also keep pre-ABC9 SCC tagging on all cell types (scc -all_cell_types) and add a regression test (tests/techmap/abc9-nonbox-loop-with-box.ys).
 2026-02-26 22:30:32 -08:00
Emil J 5f8489d36d
Merge pull request #5666 from YosysHQ/emil/equiv_induct-missing-model-errors 
equiv_induct: error on missing model
 2026-02-25 15:39:31 +01:00
Miodrag Milanović 0ed7c5ad53
Merge pull request #5620 from YosysHQ/lofty/abc9-verify 
abc9: verify post-mapping equivalence by default
 2026-02-20 13:41:11 +01:00
Krystine Sherwin 094481739f memory_libmap: Add -force-params 
Reduce complexity for adi brams by unconditionally providing the WIDTH and ABITS parameters.
 2026-02-20 10:57:00 +00:00
nella 01e89a8f9e Remove cell mentions. 2026-02-18 09:29:35 +01:00
nella 2b4f481850 Cleanup docs. 2026-02-18 09:24:41 +01:00
Emil J. Tywoniak 77f64de997 satgen: move report_missing_model here from equiv.h 2026-02-16 17:01:09 +01:00
Emil J. Tywoniak 81ea922512 sat: use the same cell import warnings as equiv 2026-02-16 16:54:26 +01:00
nella e6e57b33e3 document abc --keep-going pdr [sc-220]. 2026-02-15 09:00:04 +01:00
Gus Smith 8ab105ac28
Merge pull request #4303 from Coloquinte/sat_choice 
Infrastructure to run a Sat solver as a command
 2026-02-11 06:54:53 -08:00
Emil J fba29ea8f1
Merge pull request #5679 from YosysHQ/emil/abc9-remove-liberty 
abc9: remove -liberty
 2026-02-11 12:36:29 +01:00
Emil J. Tywoniak 915912cc76 abc9: remove -dont_use 2026-02-11 11:39:09 +01:00
Emil J. Tywoniak c4094e457b abc9: remove -genlib, -constr 2026-02-11 11:34:54 +01:00
Emil J. Tywoniak 5a46106a46 abc9: remove -liberty 2026-02-11 01:04:50 +01:00
Gus Smith 6f6fa49d3c Typo 2026-02-09 09:05:56 -08:00
Gus Smith 1502e23371 Set solver from scratchpad or command line 2026-02-06 19:26:32 -08:00
Gus Smith f062a0c8d6 Typo 2026-02-06 17:26:08 -08:00
Robert O'Callahan 34f8582725
Sanitize ABC global and per-run temporary directory names in logs 2026-02-07 12:12:13 +13:00
Emil J 1717fa0180
Merge pull request #5663 from YosysHQ/emil/opt_expr-fix-pow-shift 
opt_expr: fix const lhs of $pow to $shl
 2026-02-05 13:09:01 +01:00
Emil J 8bbde80e02
Merge pull request #5631 from rocallahan/cleanup-compare-signals 
Clean up `compare_signals()` in `opt_clean`
 2026-02-04 17:45:05 +01:00
Emil J 992e64342c
Merge pull request #5621 from rocallahan/remove-opt-sort 
Remove `Design::sort()` calls from optimization passes
 2026-02-04 16:55:56 +01:00
Robert O'Callahan 7326bb7d66
Only reuse ABC processes if we're using yosys-abc and it was built with ENABLE_READLINE 
(cherry picked from commit 5054fd17d7b70f2df97360bb0f0cc1c92a6ffe72)
 2026-02-04 17:19:10 +13:00
Emil J. Tywoniak ed53ff2f49 equiv_simple, equiv_induct: fix config 2026-02-03 18:37:39 +01:00
Emil J. Tywoniak 8d1c1faf82 equiv_simple, equiv_induct: error by default on missing model, add -ignore-unknown-cells 2026-02-03 18:10:29 +01:00
Emil J. Tywoniak 8e73e2a306 sat: add -ignore-unknown-cells instead of -ignore_unknown_cells for consistency 2026-02-03 18:10:29 +01:00
Emil J. Tywoniak 000be270ca equiv_simple, equiv_induct: refactor 2026-02-03 17:54:46 +01:00
Emil J. Tywoniak 3bfeaee8ca opt_expr: fix const lhs of $pow to $shl 2026-02-03 11:59:00 +01:00
KrystalDelusion 414b1b6019
Merge pull request #5651 from rocallahan/abc-error-nonfatal 
Handle ABC nonfatal "Error:" messages
 2026-02-03 08:55:05 +13:00
Miodrag Milanović ac427a79b0
Merge pull request #5644 from nataliakokoromyti/upstream-linux-perf-unistd 
Add unistd header for Linux
 2026-01-30 08:17:43 +01:00
Robert O'Callahan 9c56c93632 Add missing newlines to some 'log_error's 2026-01-30 01:52:19 +00:00
Robert O'Callahan 6af1b5b19c Don't treat ABC 'Error:' output as indicating a fatal error, since these messages aren't necessarily fatal 2026-01-30 01:52:19 +00:00