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JBigI: Fix zen/zen2/zen3 CPU names (ticket #1869)

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zzz
2020-09-27 14:33:58 +00:00
parent b31b42a557
commit 4108007b26
1 changed files with 10 additions and 2 deletions
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12
core/java/src/freenet/support/CPUInformation/AMDInfoImpl.java
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@@ -486,13 +486,21 @@ class AMDInfoImpl extends CPUIDCPUInfo implements AMDCPUInfo
isExcavatorCompatible = true;
isBulldozerCompatible = true;
isZenCompatible = true;
// Family 25 is zen 3, so they are definitely zen2 compatible
// For now, we're only using zen2 binary for zen 3 processors.
// TODO test for one of these instructions:
// https://en.wikipedia.org/wiki/Zen_2
// Some new instruction set extensions: WBNOINVD, CLWB, RDPID, RDPRU, MCOMMIT.
// Each instruction uses its own CPUID bit.
// As of GMP 6.2.0, the difference is only some parameter tweaks,
// and zen2 is actually a little slower than zen.
isZen2Compatible = family == 25;
if (isZen2Compatible)
modelString = "EPYC model " + model;
modelString = "Ryzen/Epyc Zen 3 model " + model;
else if (model == 1)
modelString = "Ryzen 7";
else
modelString = "Ryzen model " + model;
modelString = "Ryzen/Epyc model " + model;
}
break;