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Use sane --output-split values by default to help large builds

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--output-split is now on by default with value 20000.
--output-split-cfuncs and --output-split-ctrace now defaults to the
value of --output-split unless explicitly specified.
This commit is contained in:
Geza Lore
2020-05-26 01:22:10 +01:00
parent 72858175a2
commit 7b683fe258
8 changed files with 58 additions and 33 deletions
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src/V3Options.cpp
+13 -7
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@@ -640,6 +640,10 @@ void V3Options::notify() {
// --trace-threads implies --threads 1 unless explicitly specified
if (traceThreads() && !threads()) m_threads = 1;
// Default split limits if not specified
if (m_outputSplitCFuncs < 0) m_outputSplitCFuncs = m_outputSplit;
if (m_outputSplitCTrace < 0) m_outputSplitCTrace = m_outputSplit;
if (v3Global.opt.main() && v3Global.opt.systemC()) {
cmdfl->v3error("--main not usable with SystemC. Suggest see examples for sc_main().");
}
@@ -1058,13 +1062,15 @@ void V3Options::parseOptsList(FileLine* fl, const string& optdir, int argc, char
} else if (!strcmp(sw, "-output-split-cfuncs") && (i + 1) < argc) {
shift;
m_outputSplitCFuncs = atoi(argv[i]);
if (m_outputSplitCFuncs
&& (!m_outputSplitCTrace || m_outputSplitCTrace > m_outputSplitCFuncs)) {
m_outputSplitCTrace = m_outputSplitCFuncs;
if (m_outputSplitCFuncs < 0) {
fl->v3error("--output-split-cfuncs must be >= 0: " << argv[i]);
}
} else if (!strcmp(sw, "-output-split-ctrace")) { // Undocumented optimization tweak
} else if (!strcmp(sw, "-output-split-ctrace")) {
shift;
m_outputSplitCTrace = atoi(argv[i]);
if (m_outputSplitCTrace < 0) {
fl->v3error("--output-split-ctrace must be >= 0: " << argv[i]);
}
} else if (!strcmp(sw, "-protect-lib") && (i + 1) < argc) {
shift;
m_protectLib = argv[i];
@@ -1605,9 +1611,9 @@ V3Options::V3Options() {
m_inlineMult = 2000;
m_maxNumWidth = 65536;
m_moduleRecursion = 100;
m_outputSplit = 0;
m_outputSplitCFuncs = 0;
m_outputSplitCTrace = 0;
m_outputSplit = 20000;
m_outputSplitCFuncs = -1;
m_outputSplitCTrace = -1;
m_traceDepth = 0;
m_traceMaxArray = 32;
m_traceMaxWidth = 256;