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Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread f
From: |
Peter Lieven |
Subject: |
Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool |
Date: |
Fri, 28 Nov 2014 12:21:09 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 |
Am 28.11.2014 um 12:14 schrieb Paolo Bonzini:
>> master:
>> Run operation 40000000 iterations 12.851414 s, 3112K operations/s, 321ns per
>> coroutine
>>
>> paolo:
>> Run operation 40000000 iterations 11.951720 s, 3346K operations/s, 298ns per
>> coroutine
> Nice. :)
>
> Can you please try "coroutine: Use __thread … " together, too? I still
> see 11% time spent in pthread_getspecific, and I get ~10% more indeed if
> I apply it here (my times are 191/160/145).
indeed:
Run operation 40000000 iterations 10.138684 s, 3945K operations/s, 253ns per
coroutine
- [Qemu-devel] [RFC PATCH 0/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/27
- [Qemu-devel] [RFC PATCH 2/3] block/block-backend.c: remove coroutine pool reservation, Peter Lieven, 2014/11/27
- [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/27
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Paolo Bonzini, 2014/11/27
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Message not available
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Paolo Bonzini, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool,
Peter Lieven <=
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Paolo Bonzini, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Paolo Bonzini, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Paolo Bonzini, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Paolo Bonzini, 2014/11/28
- Re: [Qemu-devel] [RFC PATCH 3/3] qemu-coroutine: use a ring per thread for the pool, Peter Lieven, 2014/11/28