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If I remember correctly from Agner's book, P4 is the only CPU that has trace cache. It also doesn't have I-cache. Later CPUs doesn't have trace cache anymore un
by innocenat 10y ago
If I remember correctly from Agner's book, P4 is the only CPU that has trace cache. It also doesn't have I-cache. Later CPUs doesn't have trace cache anymore until Sandy Bridge.
- gpderetta 10y agoSandy Bridge and newer CPUs don't have a trace cache, only a uop cache; they are different things. As you said P4 was the only Intel CPU with a trace cache. /Pedantic