dasf.utils.funcs

Generic and regular functions.

Attributes

GPU_SUPPORTED

JAX_SUPPORTED

KVIKIO_SUPPORTED

NV_COMP_BATCH_CODEC_SUPPORTED

Classes

NotebookProgressBar

ProgressBar representation for ipython notebooks only.

Functions

human_readable_size(size[, decimal])

converts data size into the proper measurement

get_worker_info(client)

Returns a list of workers (sorted), and the DNS name for the master host

sync_future_loop(futures)

Synchronize all futures submitted to workers.

download_file(url[, filename, directory])

Download a generic file and save it.

download_file_from_gdrive(file_id[, filename, directory])

Download a file from Google Drive using gdrive file id.

get_machine_memory_avail()

Return free memory available from a single machine.

set_executor_default()

Return executor as a CPU (default) instance.

set_executor_cpu()

Return executor as a CPU instance.

set_executor_gpu()

Return executor as a GPU instance.

set_executor_multi_cpu()

Return executor as a Multi CPU instance.

set_executor_multi_gpu()

Return executor as a GPU instance.

is_executor_single(dtype)

Return if the executor is a single machine instance.

is_executor_cluster(dtype)

Return if the executor is a cluster instance.

is_executor_cpu(dtype)

Return if the executor is a CPU instance.

is_executor_gpu(dtype)

Return if the executor is a GPU instance.

executor_to_string(dtype)

Return the executor type as a string.

is_gpu_supported()

Return if GPU is supported.

is_kvikio_supported()

Return if kvikio is supported (installed).

is_gds_supported()

Return if GPU Direct Store is supported.

is_kvikio_compat_mode()

Return if Kvikio is running in compatibility mode.

is_nvcomp_codec_supported()

Return if NVidia Compressor Codecs are supported.

is_jax_supported()

Return if JAX is supported.

is_dask_local_supported()

Return if Dask is supported locally by the executor.

get_dask_running_client()

Get Dask runner stanza.

get_backend_supported(func)

Get backend support.

is_dask_supported()

Return if Dask is supported by the executor.

is_dask_gpu_supported()

Return if any node supports GPU.

get_gpu_from_workers()

Return if any worker has a GPU available.

get_gpu_count()

Get single node GPU count.

get_dask_gpu_count([fetch])

Get how many GPUs are available in each worker.

get_dask_gpu_names([fetch])

Get all GPU names of each worker.

block_chunk_reduce(dask_data, output_chunk)

Reduce the chunk according the new output size.

trim_chunk_location(block_info, depth[, index])

Trim an overlapped chunk to the exact size of the chunk.

get_dask_mem_usage(profiler)

Get Dask memory usage profile.

is_notebook()

Return if the code is being executed in a IPyNotebook.

weight_gaussian(shape)

Produces a NDArray for a given shape with a Gaussian Distribution in all directions starting from the center

weight_radial(shape)

Produces a NDArray for a given shape with a decreasing rate starting from the center

Module Contents

dasf.utils.funcs.GPU_SUPPORTED
dasf.utils.funcs.JAX_SUPPORTED
dasf.utils.funcs.KVIKIO_SUPPORTED = True
dasf.utils.funcs.NV_COMP_BATCH_CODEC_SUPPORTED = True
dasf.utils.funcs.human_readable_size(size, decimal=3)[source]

converts data size into the proper measurement

Return type:

str

dasf.utils.funcs.get_worker_info(client)[source]

Returns a list of workers (sorted), and the DNS name for the master host The master is the 0th worker’s host

Return type:

list

dasf.utils.funcs.sync_future_loop(futures)[source]

Synchronize all futures submitted to workers.

class dasf.utils.funcs.NotebookProgressBar[source]

Bases: threading.Thread

ProgressBar representation for ipython notebooks only.

Constructor of the Progress Bar

MIN_CUR
MIN_TOTAL
show()[source]

Return the HTML representation of the ProgressBar.

set_current(current, total)[source]

Set current value of the bar progress

set_error(error)[source]

Set an error if it exists.

run()[source]

Thread main loop that updates the bar progress.

dasf.utils.funcs.download_file(url, filename=None, directory=None)[source]

Download a generic file and save it.

dasf.utils.funcs.download_file_from_gdrive(file_id, filename=None, directory=None)[source]

Download a file from Google Drive using gdrive file id.

dasf.utils.funcs.get_machine_memory_avail()[source]

Return free memory available from a single machine.

dasf.utils.funcs.set_executor_default()[source]

Return executor as a CPU (default) instance.

dasf.utils.funcs.set_executor_cpu()[source]

Return executor as a CPU instance.

dasf.utils.funcs.set_executor_gpu()[source]

Return executor as a GPU instance.

dasf.utils.funcs.set_executor_multi_cpu()[source]

Return executor as a Multi CPU instance.

dasf.utils.funcs.set_executor_multi_gpu()[source]

Return executor as a GPU instance.

dasf.utils.funcs.is_executor_single(dtype)[source]

Return if the executor is a single machine instance.

Return type:

bool

dasf.utils.funcs.is_executor_cluster(dtype)[source]

Return if the executor is a cluster instance.

Return type:

bool

dasf.utils.funcs.is_executor_cpu(dtype)[source]

Return if the executor is a CPU instance.

Return type:

bool

dasf.utils.funcs.is_executor_gpu(dtype)[source]

Return if the executor is a GPU instance.

Return type:

bool

dasf.utils.funcs.executor_to_string(dtype)[source]

Return the executor type as a string.

Return type:

str

dasf.utils.funcs.is_gpu_supported()[source]

Return if GPU is supported.

Return type:

bool

dasf.utils.funcs.is_kvikio_supported()[source]

Return if kvikio is supported (installed).

Return type:

bool

dasf.utils.funcs.is_gds_supported()[source]

Return if GPU Direct Store is supported.

Return type:

bool

dasf.utils.funcs.is_kvikio_compat_mode()[source]

Return if Kvikio is running in compatibility mode.

Return type:

bool

dasf.utils.funcs.is_nvcomp_codec_supported()[source]

Return if NVidia Compressor Codecs are supported.

Return type:

bool

dasf.utils.funcs.is_jax_supported()[source]

Return if JAX is supported.

Return type:

bool

dasf.utils.funcs.is_dask_local_supported()[source]

Return if Dask is supported locally by the executor.

Return type:

bool

dasf.utils.funcs.get_dask_running_client()[source]

Get Dask runner stanza.

dasf.utils.funcs.get_backend_supported(func)[source]

Get backend support.

dasf.utils.funcs.is_dask_supported()[source]

Return if Dask is supported by the executor.

Return type:

bool

dasf.utils.funcs.is_dask_gpu_supported()[source]

Return if any node supports GPU.

Return type:

bool

dasf.utils.funcs.get_gpu_from_workers()[source]

Return if any worker has a GPU available.

Return type:

bool

dasf.utils.funcs.get_gpu_count()[source]

Get single node GPU count.

Return type:

int

dasf.utils.funcs.get_dask_gpu_count(fetch=True)[source]

Get how many GPUs are available in each worker.

Return type:

int

dasf.utils.funcs.get_dask_gpu_names(fetch=True)[source]

Get all GPU names of each worker.

Return type:

list

dasf.utils.funcs.block_chunk_reduce(dask_data, output_chunk)[source]

Reduce the chunk according the new output size.

dasf.utils.funcs.trim_chunk_location(block_info, depth, index=0)[source]

Trim an overlapped chunk to the exact size of the chunk.

dasf.utils.funcs.get_dask_mem_usage(profiler)[source]

Get Dask memory usage profile.

dasf.utils.funcs.is_notebook()[source]

Return if the code is being executed in a IPyNotebook.

Return type:

bool

dasf.utils.funcs.weight_gaussian(shape)[source]

Produces a NDArray for a given shape with a Gaussian Distribution in all directions starting from the center

dasf.utils.funcs.weight_radial(shape)[source]

Produces a NDArray for a given shape with a decreasing rate starting from the center