Hi Srikanta,
In the past, I've been able to run pthreads mutex with ruby using Arm
and FS mode. By default, pthreads use syscalls to the OS to sleep or
wake up threads. As far as I know, FS does not work with RISCV.
Therefore, you could try to select the pthread mutex type to spinlock to
avoid having sleeps and wakes up from the OS. Notice that if you set
spinlock, you should never instantiate more threads than cores
(oversuscription). Otherwise you can have temporal deadlocks and starvation.
Regards,
Víctor.
On 29/6/23 9:03, Srikanta Chaitanya via gem5-users wrote:
Hi ,
I am running pthreads matmul program for riscv in se mode , but with
lock and unlock instructions I am getting read error in Ruby ..
Do i have to compile with mthreads ..
Thanks
Chaitanya
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