testN2kGen¶

class testN2kGen : public kotekan::Stage¶

Generate test N2k data as a standin for N2k.

Buffers

out_buf Buffer to fill with unnormalized visibilities
- Format: complex int32+32
- Shape: [samples_per_data_set/sub_integration_ntime, num_local_freq, num_corr_blocks, 16, 16]
- Metadata: chordMetadata time_downsample_fpga[] = sub_integration_ntime
out_counts_buf Buffer to fill with counts
- Format: int32
- Shape: [samples_per_data_set/sub_integration_ntime, num_local_freq, num_count_blocks, 8, 8]
- Metadata: chordMetadata time_downsample_fpga[] = sub_integration_ntime

Author

Geoffrey Ryan

Param correlation_name:: String. quantity name for correlation in chordMetadata
Param counts_name:: String. quantity name for counts in chordMetadata
Param correlation_type:: String. “const”, “random”.
Param counts_type:: String. “const”, “random”.
Param correlation_value:: Pair of ints. Used when correlation_type is “const”.
Param correlation_values:: Vector of int pairs. Optional cycle for “const” correlation frames.
Param counts_value:: Int. Used when counts_type is “const” or “const_scalar”.
Param counts_values:: Vector of ints. Optional cycle for “const” count frames.
Param seed:: Int. Default 0. Seeds the deterministic RNG for “random” correlation and counts variants.
Param dataset_id:: Hash string. Optional dataset id to set for CHIME * pipelines.
Param first_frame_index:: Int. Default 0. Starting FPGA frame number, fro frames of size samples_per_data_set.
Param samples_per_data_set:: Int. How often to produce data.
Param num_frames:: Int. How many frames to produce. Default inf.
Param num_freq_in_frame:: Int. Number of frequencies in each GPU frame.

Public Functions

testN2kGen(kotekan::Config &config, const std::string &unique_name, kotekan::bufferContainer &buffer_container)¶