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[v1.00] Ice Lake is NOT a uarch; Sunny Cove is. But we need to check for codename in these cases since with the uarch is not enough to determine the number of VPUs

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Dr-Noob
2021-09-25 22:03:22 +02:00
parent 9f29023362
commit 3928a9e3b6
1 changed files with 5 additions and 4 deletions
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9
src/x86/uarch.c
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@@ -89,7 +89,6 @@ enum {
UARCH_PRESCOTT,
UARCH_CEDAR_MILL,
UARCH_ITANIUM2,
UARCH_ICE_LAKE,
// AMD //
UARCH_AM486,
UARCH_AM5X86,
@@ -217,7 +216,7 @@ struct uarch* get_uarch_from_cpuid_intel(uint32_t ef, uint32_t f, uint32_t em, u
CHECK_UARCH(arch, 0, 6, 7, 5, NA, "Airmont", UARCH_AIRMONT, 14) // no spec update; whispers & rumors
CHECK_UARCH(arch, 0, 6, 7, 10, NA, "Goldmont Plus", UARCH_GOLDMONT_PLUS, 14)
CHECK_UARCH(arch, 0, 6, 7, 13, NA, "Sunny Cove", UARCH_SUNNY_COVE, 10) // no spec update; only MSR_CPUID_table* so far
CHECK_UARCH(arch, 0, 6, 7, 14, NA, "Ice Lake", UARCH_ICE_LAKE, 10)
CHECK_UARCH(arch, 0, 6, 7, 14, NA, "Sunny Cove", UARCH_SUNNY_COVE, 10)
CHECK_UARCH(arch, 0, 6, 8, 5, NA, "Knights Mill", UARCH_KNIGHTS_MILL, 14) // no spec update; only MSR_CPUID_table* so far
CHECK_UARCH(arch, 0, 6, 8, 6, NA, "Tremont", UARCH_TREMONT, 10) // LX*
CHECK_UARCH(arch, 0, 6, 8, 10, NA, "Tremont", UARCH_TREMONT, 10) // no spec update; only geekbench.com example
@@ -372,7 +371,9 @@ struct uarch* get_uarch_from_cpuid(struct cpuInfo* cpu, uint32_t ef, uint32_t f,
}
bool vpus_are_AVX512(struct cpuInfo* cpu) {
return cpu->arch->uarch != UARCH_ICE_LAKE;
// TODO: This is actually wrong since ice_lake server probably have two
// AVX512 VPUs (we need to fetch the codename, not only the uarch!
return cpu->arch->uarch != UARCH_SUNNY_COVE;
}
bool is_knights_landing(struct cpuInfo* cpu) {
@@ -398,7 +399,7 @@ int get_number_of_vpus(struct cpuInfo* cpu) {
case UARCH_KNIGHTS_LANDING:
case UARCH_KNIGHTS_MILL:
case UARCH_ICE_LAKE:
case UARCH_SUNNY_COVE:
// AMD
case UARCH_ZEN2: