On 10/14/2015 01:23 AM, Nadav Horesh wrote:
>
> I have binary files of size range between few MB to 1GB, which I read process
> as memory mapped files (via np.memmap). Until numpy 1.9 the creation of
> recarray on an existing file (without reading its content) was instantaneous,
> and now it
Subject: Re: [Numpy-discussion] A regression in numpy 1.10: VERY slow memory
mapped file generation
On 10/14/2015 01:23 AM, Nadav Horesh wrote:
>
> I have binary files of size range between few MB to 1GB, which I read process
> as memory mapped files (via np.memmap). Until numpy 1.9 the cre
I have binary files of size range between few MB to 1GB, which I read process
as memory mapped files (via np.memmap). Until numpy 1.9 the creation of
recarray on an existing file (without reading its content) was instantaneous,
and now it takes ~6 seconds (system: archlinux on sandy bridge).
