46 lines
1.5 KiB
Python
Executable File
46 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# DESCRIPTION: Verilator: Verilog Test driver/expect definition
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#
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# Copyright 2025 by Wilson Snyder. This program is free software; you
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# can redistribute it and/or modify it under the terms of either the GNU
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# Lesser General Public License Version 3 or the Perl Artistic License
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# Version 2.0.
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# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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import vltest_bootstrap
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test.scenarios('vltmt')
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test.top_filename = "t/t_hier_block_perf.v"
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cycles = 100000
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test.sim_time = cycles * 10 + 1000
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threads = 2
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config_file = test.t_dir + "/" + test.name + ".vlt"
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flags = [config_file, "--hierarchical", "-Wno-UNOPTFLAT", "-DSIM_CYCLES=" + str(cycles)]
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test.compile(benchmarksim=1, v_flags2=["--prof-pgo"] + flags, threads=threads)
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test.execute(all_run_flags=[
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"+verilator+prof+exec+start+0",
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" +verilator+prof+exec+file+/dev/null",
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" +verilator+prof+vlt+file+" + test.obj_dir + "/profile.vlt"]) # yapf:disable
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test.file_grep(test.obj_dir + "/profile.vlt", r'profile_data -model "VTest"')
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test.file_grep(test.obj_dir + "/profile.vlt", r'profile_data -model "V' + test.name + '"')
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# Check for cost rollovers
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test.file_grep_not(test.obj_dir + "/profile.vlt", r'.*cost 64\'d\d{18}.*')
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# Differentiate benchmarksim results
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test.name = test.name + "_optimized"
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test.compile(
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benchmarksim=1,
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# Intentionally no --prof-pgo here to make sure profile data can be read in
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# without it (that is: --prof-pgo has no effect on profile_data hash names)
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v_flags2=flags,
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threads=threads)
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test.execute()
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test.passes()
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