On 01/23/12 20:16, Stefan Weil wrote:
Am 23.01.2012 19:38, schrieb Jan Kiszka:
Forking an expr process for every byte of the input data slows down the
checksum calculation massively. Fix this while still remaining portable
by implementing the algorithm in awk.
Signed-off-by: Jan Kiszka
---
Tha
Am 23.01.2012 21:37, schrieb Anthony Liguori:
> On 01/23/2012 02:32 PM, Jan Kiszka wrote:
>> On 2012-01-23 21:08, Anthony Liguori wrote:
>>> I've been thinking that we could potentially rewrite a large chunk
>>> (all?) of configure in python too since we have such a hard
>>> dependency now.
>>
>> S
On 01/23/2012 07:38 PM, Jan Kiszka wrote:
nums=`od -A n -t u1 -v -N $size "$1"`
-for i in ${nums}; do
-# add each byte's value to sum
-sum=`expr \( $sum + $i \) % 256`
-done
-
-sum=$(( (256 - $sum) % 256 ))
We have a bashism here, so why not do
sum=$(( ($sum + $i) % 256 ))
and do
On 01/23/2012 09:08 PM, Anthony Liguori wrote:
QEMU depends on Python = Python 2 for QAPI, tracing and maybe more.
See scripts/*.py.
I've been thinking that we could potentially rewrite a large chunk
(all?) of configure in python too since we have such a hard dependency now.
What would the a
On 01/23/2012 02:32 PM, Jan Kiszka wrote:
On 2012-01-23 21:08, Anthony Liguori wrote:
I've been thinking that we could potentially rewrite a large chunk
(all?) of configure in python too since we have such a hard
dependency now.
[snip]
However, I will now write signrom.py. That's much shorte
On 01/23/2012 02:32 PM, Jan Kiszka wrote:
On 2012-01-23 21:08, Anthony Liguori wrote:
On 01/23/2012 01:25 PM, Stefan Weil wrote:
Am 23.01.2012 20:19, schrieb Jan Kiszka:
On 2012-01-23 20:16, Stefan Weil wrote:
Am 23.01.2012 19:38, schrieb Jan Kiszka:
[snip]
What about replacing the whole s
On 2012-01-23 21:08, Anthony Liguori wrote:
> On 01/23/2012 01:25 PM, Stefan Weil wrote:
>> Am 23.01.2012 20:19, schrieb Jan Kiszka:
>>> On 2012-01-23 20:16, Stefan Weil wrote:
Am 23.01.2012 19:38, schrieb Jan Kiszka:
>> [snip]
What about replacing the whole script by a python script
On 01/23/2012 01:25 PM, Stefan Weil wrote:
Am 23.01.2012 20:19, schrieb Jan Kiszka:
On 2012-01-23 20:16, Stefan Weil wrote:
Am 23.01.2012 19:38, schrieb Jan Kiszka:
[snip]
What about replacing the whole script by a python script?
That would save about 6 more forks :-)
I think we have no py
Am 23.01.2012 20:19, schrieb Jan Kiszka:
On 2012-01-23 20:16, Stefan Weil wrote:
Am 23.01.2012 19:38, schrieb Jan Kiszka:
[snip]
What about replacing the whole script by a python script?
That would save about 6 more forks :-)
I think we have no python dependency in the build system yet - wh
On 2012-01-23 20:16, Stefan Weil wrote:
> Am 23.01.2012 19:38, schrieb Jan Kiszka:
>> Forking an expr process for every byte of the input data slows down the
>> checksum calculation massively. Fix this while still remaining portable
>> by implementing the algorithm in awk.
>>
>> Signed-off-by: Jan
Am 23.01.2012 19:38, schrieb Jan Kiszka:
Forking an expr process for every byte of the input data slows down the
checksum calculation massively. Fix this while still remaining portable
by implementing the algorithm in awk.
Signed-off-by: Jan Kiszka
---
That "remaining portable" is an unproven c
Forking an expr process for every byte of the input data slows down the
checksum calculation massively. Fix this while still remaining portable
by implementing the algorithm in awk.
Signed-off-by: Jan Kiszka
---
That "remaining portable" is an unproven claim. So please check that
problematic Net
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