1 |
On 01/09/2018 01:56 AM, Mick wrote: |
2 |
> On Monday, 8 January 2018 17:47:03 GMT Corbin Bird wrote: |
3 |
>> On 01/07/2018 02:46 PM, Taiidan@×××.com wrote: |
4 |
>>> I have several sandy/ivybridge CPU's and I was wondering if anyone |
5 |
>>> knows as to if intel is releasing microcode updates for them. |
6 |
>>> |
7 |
>>> It sure would be funny if intel wanted you to buy a new CPU to fix a |
8 |
>>> problem that was their fault to begin with. |
9 |
>> Do you remember the x87 bugs discovered in the original i586 Pentiums? |
10 |
>> Never fixed. |
11 |
>> Still built into every Intel CPU. |
12 |
>> Intel does NOT replace "defective-by-design" hardware. |
13 |
>> Instead, every OS is required to "software emulate" the FPU. |
14 |
>> |
15 |
>> Search for "errata-not-bug". |
16 |
>> Intel's term for their screw-ups in their CPUs. |
17 |
>> |
18 |
>> Intel is only releasing patch code for the last five years of products. |
19 |
>> |
20 |
>> And ... if you read up on the "e-mails" being posted ... |
21 |
>> ... It looks as if Intel is NOT going to fix this in future CPUs either. |
22 |
>> Instead, every OS will be required to "work-around-this". |
23 |
>> |
24 |
>> Perhaps the reason "someone" tried to implicate this effects ALL CPU |
25 |
>> architectures? |
26 |
>> ( IBM RISC 6000, PowerPC, DEC Alpha, IBM System/390, Sun SPARC64, for |
27 |
>> example ) |
28 |
>> |
29 |
>> Intel did try to make their "patch" mandatory for AMD CPUs ( with NO |
30 |
>> disable switch ). |
31 |
>> Why? |
32 |
>> Think about it. |
33 |
>> |
34 |
>> Corbin |
35 |
> So what affordable and available CPUs should one be looking into for a new |
36 |
> desktop build? |
37 |
> |
38 |
> Also, laptops? |
39 |
> |
40 |
|
41 |
At this point, the only sure bet, is a non x86, x86_64, ARM, ARM64 CPU. |
42 |
|
43 |
Don't know enough to make a recommendation on a particular CPU arch at |
44 |
this point. |
45 |
|
46 |
Try asking Taiidan@×××.com or Ian Zimmerman ( both on gentoo-users |
47 |
mailing list ) about PPC/PPC64. |
48 |
|
49 |
Re-post of saved e-mail : |
50 |
> On 12/25/2017 06:33 PM, Ian Zimmerman wrote: |
51 |
> |
52 |
>> On 2017-12-24 14:44, Taiidan@×××.com wrote: |
53 |
>> |
54 |
>>> POWER 9: TALOS 2 (server/workstation, brand new and very high |
55 |
>>> performance - the only brand new hardware that is legitimately libre) |
56 |
>> This is interesting, but can it run gentoo? There's a handbook edition |
57 |
>> for PPC64, but that's not quite the same, is it? |
58 |
> It is. |
59 |
> PPC64 is big endian, PPC64LE is little endian. |
60 |
> |
61 |
> POWER8/9 are Bi-Endian so you can use both (most linux distros only |
62 |
> support little) |
63 |
> |
64 |
> PPC64 compile covers PowerPC and POWER. |
65 |
> |
66 |
> |
67 |
> TALOS 2 is an end user obtainable derivative of the Romulus POWER 9 |
68 |
> development board, there are a variety of modifications and it is more |
69 |
> open source than Romulus - you can also pay for it with bitcoin. |
70 |
> It supports dual sforza CPU's which have up to 24 cores per socket |
71 |
> with SMT4 (4 threads at the same time per core) |