Re: Non-working CPU cores showing up

2021-12-01 Thread Ken Cunningham
hey, you're right! free upgrade :) K On Tuesday, November 30, 2021, Dirk Neumann wrote: > On Tue, 30 Nov 2021 08:52:59 -0800 > Ken Cunningham wrote: > > > > > > Some software, like ninja etc, use that information to decide how many > parallel jobs to set up. On my systems (2 processors, 6 CPU

Re: Non-working CPU cores showing up

2021-11-30 Thread Dirk Neumann
On Tue, 30 Nov 2021 08:52:59 -0800 Ken Cunningham wrote: > > Some software, like ninja etc, use that information to decide how many > parallel jobs to set up. On my systems (2 processors, 6 CPUs on each, each > with two threads per core = 12 parallel build processes) that works out well > it

Re: Non-working CPU cores showing up

2021-11-30 Thread Tixy
On Tue, 2021-11-30 at 11:18 -0500, Paul M. Foster wrote: > It appears you are correct. lscpu shows this CPU has 4 cores, and 2 > threads per core. But it shows 8 CPUs. Silly. It may be not what you were expecting but that doesn't automatically make it 'silly'. Your processor chip can execute 8 in

Re: Non-working CPU cores showing up

2021-11-30 Thread Ken Cunningham
> On Nov 30, 2021, at 8:18 AM, Paul M. Foster wrote: > > On 11/30/21 6:24 AM, Dan Ritter wrote: >> Paul M. Foster wrote: >>> Folks: >>> >>> Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. When >>> I look at /proc/cpuinfo, it actually shows eight cores. There's a line i

Re: Non-working CPU cores showing up

2021-11-30 Thread Paul M. Foster
On 11/30/21 6:24 AM, Dan Ritter wrote: Paul M. Foster wrote: Folks: Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. When I look at /proc/cpuinfo, it actually shows eight cores. There's a line in the output of each core which is cpu cores : 4 But there are outputs

Re: Non-working CPU cores showing up

2021-11-30 Thread Dan Ritter
Paul M. Foster wrote: > Folks: > > Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. When > I look at /proc/cpuinfo, it actually shows eight cores. There's a line in > the output of each core which is > > cpu cores : 4 > > But there are outputs for each of eight core

Re: Non-working CPU cores showing up

2021-11-30 Thread Eric S Fraga
On Tuesday, 30 Nov 2021 at 02:30, Paul M. Foster wrote: > But there are outputs for each of eight cores, numbered 0 through 7. You will find that these entries are allocated to 4 cores (look at core id for each entry). This is due to hyper-threading which essentially provides two virtual processo

Re: Non-working CPU cores showing up

2021-11-30 Thread piorunz
On 30/11/2021 07:30, Paul M. Foster wrote: Folks: Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. What exact model do you have? -- With kindest regards, Piotr. ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄

Re: Non-working CPU cores showing up

2021-11-30 Thread Felix Miata
Paul M. Foster composed on 2021-11-30 02:30 (UTC-0500): > Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. > When I look at /proc/cpuinfo, it actually shows eight cores. There's a > line in the output of each core which is > cpu cores : 4 > But there are outputs fo

Re: Non-working CPU cores showing up

2021-11-29 Thread Tixy
On Tue, 2021-11-30 at 02:30 -0500, Paul M. Foster wrote: > Folks: > > Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. > When I look at /proc/cpuinfo, it actually shows eight cores. There's a > line in the output of each core which is > > cpu cores : 4 > > But ther

Re: Non-working CPU cores showing up

2021-11-29 Thread Kenneth Parker
On Tue, Nov 30, 2021, 2:30 AM Paul M. Foster wrote: > Folks: > > Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. > When I look at /proc/cpuinfo, it actually shows eight cores. There's a > line in the output of each core which is > > cpu cores : 4 > > But there are ou

Non-working CPU cores showing up

2021-11-29 Thread Paul M. Foster
Folks: Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores. When I look at /proc/cpuinfo, it actually shows eight cores. There's a line in the output of each core which is cpu cores : 4 But there are outputs for each of eight cores, numbered 0 through 7. Is it possi