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teddy: align major structures to cachelines

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This commit is contained in:
Justin Viiret
2017-05-23 14:40:04 +10:00
committed by Matthew Barr
parent 9bdd370163
commit 4f32a167d5
3 changed files with 28 additions and 24 deletions
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32
src/fdr/teddy_compile.cpp
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@@ -313,35 +313,39 @@ bytecode_ptr<FDR> TeddyCompiler::build() {
}
u32 maskWidth = eng.getNumBuckets() / 8;
size_t maskLen = eng.numMasks * 16 * 2 * maskWidth;
size_t headerSize = ROUNDUP_CL(sizeof(Teddy));
size_t maskLen = ROUNDUP_CL(eng.numMasks * 16 * 2 * maskWidth);
auto floodControlTmp = setupFDRFloodControl(lits, eng, grey);
auto confirmTmp = setupFullConfs(lits, eng, bucketToLits, make_small);
auto floodTable = setupFDRFloodControl(lits, eng, grey);
auto confirmTable = setupFullConfs(lits, eng, bucketToLits, make_small);
size_t size = ROUNDUP_N(sizeof(Teddy) +
maskLen +
confirmTmp.size() +
floodControlTmp.size(),
16 * maskWidth);
size_t size = headerSize + maskLen + ROUNDUP_CL(confirmTable.size()) +
floodTable.size();
auto fdr = make_zeroed_bytecode_ptr<FDR>(size, 64);
assert(fdr); // otherwise would have thrown std::bad_alloc
Teddy *teddy = (Teddy *)fdr.get(); // ugly
u8 *teddy_base = (u8 *)teddy;
// Write header.
teddy->size = size;
teddy->engineID = eng.getID();
teddy->maxStringLen = verify_u32(maxLen(lits));
u8 *ptr = teddy_base + sizeof(Teddy) + maskLen;
memcpy(ptr, confirmTmp.get(), confirmTmp.size());
ptr += confirmTmp.size();
// Write confirm structures.
u8 *ptr = teddy_base + headerSize + maskLen;
assert(ISALIGNED_CL(ptr));
memcpy(ptr, confirmTable.get(), confirmTable.size());
ptr += ROUNDUP_CL(confirmTable.size());
// Write flood control structures.
assert(ISALIGNED_CL(ptr));
teddy->floodOffset = verify_u32(ptr - teddy_base);
memcpy(ptr, floodControlTmp.get(), floodControlTmp.size());
ptr += floodControlTmp.size();
memcpy(ptr, floodTable.get(), floodTable.size());
ptr += floodTable.size();
u8 *baseMsk = teddy_base + sizeof(Teddy);
// Write teddy masks.
u8 *baseMsk = teddy_base + headerSize;
for (const auto &b2l : bucketToLits) {
const u32 &bucket_id = b2l.first;