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While that article is accurate, and Qsys does do those things, fitting 100 cores of NIOS on a DE1-SOC isn't realistic.
If not simply because of the NIOS core resource utilization, then because of the associated adapter and interconnect logic that Qsys generates (see Table 2 on page 11 of that article).
So if your answer to Daixiwen's question of "100 cores of what?" is "NIOS of course!!!", then the answer is no. Either don't use NIOS or don't use 100 instances.
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Going back to the NoC topic, is there any chance to make utilization of this NoC in the FPGA? I mean, the basic idea of NoC, has a number of cores (20 - 100) communicated with a network subsystem of routers, this bring you the posibility of choose a topology among the cores, or if one of the cores fail, routers routes data trough other paths (it's fault tolerant). I expected to find something like this in the so-called NoC of Qsys, but it seems it's something totally different.
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