Talos II computers started shipping

POWER9 actually has 8-way SMT, not 4-way SMT, see:
developer.ibm.com/linuxonpower/2018/04/19/ibm-power9-smt-performance-db2/

But the CPU's availible for Talos II don't seem to have it enabled.

Attached: PowerMac G5 - Is it Obsolete_.mp4 (640x360, 2.11M)

This is bullshit. POWER9 has 4-way SMT.

There exists a special version of this processor that "fuses" every two 4-way cores into a vertically clustered 8-way "core", giving half the core count and double per-core thread count. There is absolutely no technical advantage to doing that, as every thread can access only resources of half the fused "core". However it lets the buyer jew software vendors who jewishly price licenses per core of the target machine, which is a common practice in big-iron corporate software. Jewing jews is the sole reason this version exists.

The 4 and 8 way SMT is due to differing requirements among VM and bare metal applications. The VM guys wanted less cores with more threads each while the bare metal guys wanted more cores with less threads each. The solution was to divide the Power9 die into sub units called slices which have two 4-way SMT cores each or one 8-way SMT core each depending on if the application. The biggest 4-way SMT CPU is 24 cores, the biggest 8-way SMT is 12 cores.

PPC was a lot different back then, its only through IBM slaving away at it that its gotten good.

But then why do the benchmarks on that site say that it makes it faster? I've been reading a little bit about this stuff but I don't really understand POWER9 that well.

Can you install Windows on it?

Thats for a very specific workload involving databases. Database performance is often very sensitive to changes in system memory access patterns since most of the time the software is reading and writing to large amounts of data in RAM, due to the way modern CPUs handle things like cache coherency and system memory accesses its more efficient in the case of Db2 running on a Power9 CPU to have a single core with more threads than it is two cores with the same number of total threads.

Find a Windows NT for PPC and install that.

You can install Windows10 on an x86 system emulated inside QEMU.

That will be big-endian.

Why? Do you not understand that Windows is proprietary software that disrespects your freedom? What's the point of buying this computer for the sake of "security" and then installing Windows on top of that?

Windows NT for PPC exists. They didn't change the arch endianess between that period.