[yt-users] install error

[Nathan Goldbaum]

Hi Elizabeth,

I tried running the install script on my mac laptop after your e-mail.  
I was able to build yt from the install script with no problems.

It would help if you could let us know a bit more about the system 
you're trying to build yt on.  In particular, I think you'll run into 
issues if you're using an old version of gcc that doesn't support 
OpenMP.  Version 4.2 or newer should work.

-Nathan


On 7/13/12 12:16 AM, Elizabeth Tasker wrote:
> Hi Andrew,
>
> We ran the install script from scratch, so I assume it would have 
> installed the version of cython it needed?
>
> Elizabeth
>
>
> On Jul 13, 2012, at 1:59 PM, Andrew Myers wrote:
>
>> Hi Elizabeth,
>>
>> I saw errors like this when I tried to use an older version of 
>> Cython. Are you sure that you're using version 0.16?
>>
>> -Andrew M
>>
>> On Thu, Jul 12, 2012 at 9:55 PM, Elizabeth Tasker 
>> <tasker at astro1.sci.hokudai.ac.jp 
>> <mailto:tasker at astro1.sci.hokudai.ac.jp>> wrote:
>>
>>     Hi,
>>
>>     We've had some problems installing yt via the install script.
>>
>>     Initially it did not download distribute, which we did by hand.
>>     Then, it couldn't get pip, so I commented that line out and now
>>     it's died on cython with:
>>
>>
>>
>>     cythonc:> yt/utilities/lib/PointsInVolume.c
>>     building extension "yt.utilities.lib.QuadTree" sources
>>     cythonc:> yt/utilities/lib/QuadTree.c
>>     building extension "yt.utilities.lib.RayIntegrators" sources
>>     cythonc:> yt/utilities/lib/RayIntegrators.c
>>     building extension "yt.utilities.lib.VolumeIntegrator" sources
>>     cythonc:> yt/utilities/lib/VolumeIntegrator.c
>>     building extension "yt.utilities.lib.grid_traversal" sources
>>     cythonc:> yt/utilities/lib/grid_traversal.c
>>
>>     Error compiling Cython file:
>>     ------------------------------------------------------------
>>     ...
>>             if im.vd_strides[0] == -1:
>>                 with nogil, parallel(num_threads = num_threads):
>>                     idata = <ImageAccumulator *>
>>     malloc(sizeof(ImageAccumulator))
>>                     idata.supp_data = self.supp_data
>>                     v_pos = <np.float64_t *> malloc(3 *
>>     sizeof(np.float64_t))
>>                     for j in prange(size, schedule="static",chunksize=1):
>>                                   ^
>>     ------------------------------------------------------------
>>
>>     yt/utilities/lib/grid_traversal.pyx:368:31: Invalid keyword
>>     argument: chunksize
>>
>>     Error compiling Cython file:
>>     ------------------------------------------------------------
>>     ...
>>                     idata.supp_data = self.supp_data
>>                     v_pos = <np.float64_t *> malloc(3 *
>>     sizeof(np.float64_t))
>>                     v_dir = <np.float64_t *> malloc(3 *
>>     sizeof(np.float64_t))
>>                     # If we do not have a simple image plane, we have
>>     to cast all
>>                     # our rays
>>                     for j in prange(size, schedule="dynamic",
>>     chunksize=100):
>>                                   ^
>>     ------------------------------------------------------------
>>
>>     yt/utilities/lib/grid_traversal.pyx:393:31: Invalid keyword
>>     argument: chunksize
>>
>>     Error compiling Cython file:
>>     ------------------------------------------------------------
>>     ...
>>             cdef np.float64_t px, py
>>             cdef np.float64_t width[3]
>>             for i in range(3):
>>                 width[i] = self.width[i]
>>             if im.vd_strides[0] == -1:
>>                 with nogil, parallel(num_threads = num_threads):
>>                                    ^
>>     ------------------------------------------------------------
>>
>>     yt/utilities/lib/grid_traversal.pyx:364:32: Invalid value for
>>     num_threads argument, expected an int
>>     error: 3 errors while compiling
>>     'yt/utilities/lib/grid_traversal.pyx' with Cython
>>
>>
>>
>>     Has anyone had a similar experience?
>>
>>     Elizabeth
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