To the best of my knowledge, the ROB is shared, the rename table is separated
for each thread and the LSQ is also shared in SMT. I am not sure about it, but
I deduced this information from cpu code for O3CPU Model. I believe Jason or
other more experienced user/developer can correct me if I am wrong.
Best Regards.
/** The re-order buffer. */
typename CPUPolicy::ROB rob;
/** The rename map. */
typename CPUPolicy::RenameMap renameMap[Impl::MaxThreads];
----------------------------------------------------------------------------------------------------------------------------------------------
Francisco Carlos Silva Junior
Phd Student at University of Brasilia
________________________________
De: Huayi Cai via gem5-users <gem5-users@gem5.org>
Enviado: quinta-feira, 29 de outubro de 2020 12:06
Para: gem5-users@gem5.org <gem5-users@gem5.org>
Cc: Huayi Cai <caihuayi0...@gmail.com>
Assunto: [gem5-users] Questions about CPU resource
Under SMT, the O3CPU model maintains separate ROB, LSQ and rename tables for
all threads, or shared by all threads？
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