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OCD performance fix: {find,count}+insert => insert

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This commit is contained in:
Eelco Dolstra 2019-10-09 15:51:52 +02:00
parent e6e61f0a54
commit 99b73fb507
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GPG key ID: 8170B4726D7198DE
16 changed files with 32 additions and 65 deletions
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24
src/libexpr/eval.cc
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@ -46,11 +46,10 @@ static void printValue(std::ostream & str, std::set<const Value *> & active, con
{
checkInterrupt();
if (active.find(&v) != active.end()) {
if (!active.insert(&v).second) {
str << "<CYCLE>";
return;
}
active.insert(&v);
switch (v.type) {
case tInt:
@ -1446,8 +1445,7 @@ void EvalState::forceValueDeep(Value & v)
std::function<void(Value & v)> recurse;
recurse = [&](Value & v) {
if (seen.find(&v) != seen.end()) return;
seen.insert(&v);
if (!seen.insert(&v).second) return;
forceValue(v);
@ -1865,8 +1863,7 @@ size_t valueSize(Value & v)
std::set<const void *> seen;
auto doString = [&](const char * s) -> size_t {
if (seen.find(s) != seen.end()) return 0;
seen.insert(s);
if (!seen.insert(s).second) return 0;
return strlen(s) + 1;
};
@ -1874,8 +1871,7 @@ size_t valueSize(Value & v)
std::function<size_t(Env & v)> doEnv;
doValue = [&](Value & v) -> size_t {
if (seen.find(&v) != seen.end()) return 0;
seen.insert(&v);
if (!seen.insert(&v).second) return 0;
size_t sz = sizeof(Value);
@ -1890,8 +1886,7 @@ size_t valueSize(Value & v)
sz += doString(v.path);
break;
case tAttrs:
if (seen.find(v.attrs) == seen.end()) {
seen.insert(v.attrs);
if (seen.insert(v.attrs).second) {
sz += sizeof(Bindings) + sizeof(Attr) * v.attrs->capacity();
for (auto & i : *v.attrs)
sz += doValue(*i.value);
@ -1900,8 +1895,7 @@ size_t valueSize(Value & v)
case tList1:
case tList2:
case tListN:
if (seen.find(v.listElems()) == seen.end()) {
seen.insert(v.listElems());
if (seen.insert(v.listElems()).second) {
sz += v.listSize() * sizeof(Value *);
for (size_t n = 0; n < v.listSize(); ++n)
sz += doValue(*v.listElems()[n]);
@ -1922,8 +1916,7 @@ size_t valueSize(Value & v)
sz += doValue(*v.primOpApp.right);
break;
case tExternal:
if (seen.find(v.external) != seen.end()) break;
seen.insert(v.external);
if (!seen.insert(v.external).second) break;
sz += v.external->valueSize(seen);
break;
default:
@ -1934,8 +1927,7 @@ size_t valueSize(Value & v)
};
doEnv = [&](Env & env) -> size_t {
if (seen.find(&env) != seen.end()) return 0;
seen.insert(&env);
if (!seen.insert(&env).second) return 0;
size_t sz = sizeof(Env) + sizeof(Value *) * env.size;