def __init__(self, numcoarsechannels, numfinechannels, accumulation_length, bandwidth, input_bitwidth, fft_coarse_out_bitwidth, antennas=1):
self.maxdesigns=0
self.blocks = {}
self.blockalgs = {}
self.totalblocks = 0
self.maxdesigns = 1
self.singleimplementation = 1
#add the platform array
self.platforms = {}
# add platforms: cost, inputbw, outputbw, resources
self.platforms['ROACH'] = Platform('ROACH',6700,40,40,['registers','luts','dsp','bram'])
self.platforms['GTX580'] = Platform('GTX580',3500,10,1,['time'])
for i in range(0,antennas):
# add the ADC
adc_bw = bandwidth*input_bitwidth
self.blocks['ADC'+`i`] = CBlock('ADC', CBlock.getADCModel(self.platforms, bandwidth, input_bitwidth),-1,0,0,'PFB'+`i`,0,adc_bw,1)
self.totalblocks += 1
# add the PFB
pfb_bw = bandwidth*32
self.blocks['PFB'+`i`] = CBlock('PFB',CBlock.getPFBWModel(self.platforms, bandwidth, pfb_bw, numcoarsechannels),'ADC'+`i`,0,adc_bw,'FFT_coarse'+`i`,0,adc_bw,1)
self.totalblocks += 1
# add the FFT
#print CBlock.getFFTModel(self.platforms, bandwidth, input_bitwidth, numchannels)
fft_coarse_out_bandwidth = bandwidth* fft_coarse_out_bitwidth*2
self.blocks['FFT_coarse'+`i`] = CBlock('FFT_coarse',CBlock.getFFTWModel(self.platforms, bandwidth, numcoarsechannels),'PFB'+`i`,0,pfb_bw,'Transpose'+`i`,0,fft_coarse_out_bandwidth,1)
self.totalblocks += 1
# adjust to ensure the block fits on the gpu
fft_fine_in_bandwidth = fft_coarse_out_bandwidth/numcoarsechannels
finemodel = CBlock.getFFTModel(self.platforms, fft_fine_in_bandwidth, numfinechannels)
if(finemodel['GTX580']['time']<0.1):
multiplier = pow(2,int(log(0.1/finemodel['GTX580']['time'],2)))
else:
multiplier = 1
finemodel['GTX580']['time'] = finemodel['GTX580']['time']*multiplier
fine_blocks = int(numcoarsechannels/multiplier)
fine_sky_bandwidth = bandwidth/fineblocks
fine_block_bandwidth = fft_coarse_out_bandwidth/fine_blocks
self.blocks['Transpose'+`i`] = CBlock('Transpose', CBlock.getTransposeModel(self.platforms, bandwidth, numcoarsechannels, numfinechannels), 'FFT_coarse'+`i`,0,fft_coarse_out_bandwidth,'FFT_fine'+`i`,1,fft_coarse_out_bandwidth,1)
self.totalblocks += 1
self.blocks['FFT_fine'+`i`] = CBlock('FFT_fine',finemodel,'Transpose'+`i`,0,fine_block_bandwidth,'VAcc'+`i`,0,fft_fine_in_bandwidth,fine_blocks)
self.totalblocks += fine_blocks
self.blocks['VAcc'+`i`] = CBlock('VAcc',{'ROACH': {'registers': 0.2, 'luts': 0.1, 'dsp': 0, 'bram':0.4}, 'GTX580': {'time': 0.001}},'FFT_fine'+`i`,0,fine_block_bandwidth,-1,0,0,fine_blocks)
self.totalblocks += fine_blocks
def __init__(self,
numchannels,
accumulation_length,
bandwidth,
input_bitwidth,
fft_out_bitwidth,
antennas=1):
self.maxdesigns = 1
self.blocks = {}
self.totalblocks = 0
#add the platform array
self.platforms = {}
# add platforms: cost, inputbw, outputbw, resources
self.platforms['ROACH'] = Platform.createRoach('dollars')
self.platforms['GTX580'] = Platform.createGTX580Server('dollars')
#self.platforms['IBOB'] = Platform('IBOB',2000,10,1,['resources'])
# add the ADC
adc_bw = bandwidth * input_bitwidth
self.blocks['ADC'] = CBlock(
'ADC', CBlock.getADCModel(self.platforms, bandwidth,
input_bitwidth), -1, 0, 0, 'PFB', 0,
adc_bw, antennas)
self.totalblocks += antennas
# add the PFB
pfb_bw = bandwidth * 32
self.blocks['PFB'] = CBlock(
'PFB',
CBlock.getPFBModel(self.platforms, bandwidth, input_bitwidth,
numchannels), 'ADC', 0, pfb_bw, 'FFT', 0,
adc_bw, antennas)
self.totalblocks += antennas
# add the FFT
fft_out_bandwidth = bandwidth * fft_out_bitwidth
self.blocks['FFT'] = CBlock(
'FFT', CBlock.getFFTModel(self.platforms, bandwidth, numchannels),
'PFB', 0, pfb_bw, 'VAcc', 0, fft_out_bandwidth, antennas)
self.totalblocks += antennas
#add the Vacc
self.blocks['VAcc'] = CBlock(
'VAcc',
CBlock.getVAccModel(self.platforms, bandwidth, fft_out_bitwidth,
accumulation_length), 'FFT', 0,
fft_out_bandwidth, -1, 0, 0, antennas)
self.totalblocks += antennas
def __init__(self,
numcoarsechannels,
numfinechannels,
accumulation_length,
bandwidth,
input_bitwidth,
fft_coarse_out_bitwidth,
antennas=1):
self.maxdesigns = 0
self.blocks = {}
self.blockalgs = {}
self.totalblocks = 0
self.maxdesigns = 1
self.singleimplementation = 1
#add the platform array
self.platforms = {}
# add platforms: cost, inputbw, outputbw, resources
self.platforms['ROACH'] = Platform(
'ROACH', 6700, 40, 40, ['registers', 'luts', 'dsp', 'bram'])
self.platforms['GTX580'] = Platform('GTX580', 3500, 10, 1, ['time'])
for i in range(0, antennas):
# add the ADC
adc_bw = bandwidth * input_bitwidth
self.blocks['ADC' + ` i `] = CBlock(
'ADC',
CBlock.getADCModel(self.platforms, bandwidth, input_bitwidth),
-1, 0, 0, 'PFB' + ` i `, 0, adc_bw, 1)
self.totalblocks += 1
# add the PFB
pfb_bw = bandwidth * 32
self.blocks['PFB' + ` i `] = CBlock(
'PFB',
CBlock.getPFBWModel(self.platforms, bandwidth, pfb_bw,
numcoarsechannels), 'ADC' + ` i `, 0,
adc_bw, 'FFT_coarse' + ` i `, 0, adc_bw, 1)
self.totalblocks += 1
# add the FFT
#print CBlock.getFFTModel(self.platforms, bandwidth, input_bitwidth, numchannels)
fft_coarse_out_bandwidth = bandwidth * fft_coarse_out_bitwidth * 2
self.blocks['FFT_coarse' + ` i `] = CBlock(
'FFT_coarse',
CBlock.getFFTWModel(self.platforms, bandwidth,
numcoarsechannels), 'PFB' + ` i `, 0,
pfb_bw, 'Transpose' + ` i `, 0, fft_coarse_out_bandwidth, 1)
self.totalblocks += 1
# adjust to ensure the block fits on the gpu
fft_fine_in_bandwidth = fft_coarse_out_bandwidth / numcoarsechannels
finemodel = CBlock.getFFTModel(self.platforms,
fft_fine_in_bandwidth,
numfinechannels)
if (finemodel['GTX580']['time'] < 0.1):
multiplier = pow(
2, int(log(0.1 / finemodel['GTX580']['time'], 2)))
else:
multiplier = 1
finemodel['GTX580'][
'time'] = finemodel['GTX580']['time'] * multiplier
fine_blocks = int(numcoarsechannels / multiplier)
fine_sky_bandwidth = bandwidth / fineblocks
fine_block_bandwidth = fft_coarse_out_bandwidth / fine_blocks
self.blocks['Transpose' + ` i `] = CBlock(
'Transpose',
CBlock.getTransposeModel(self.platforms, bandwidth,
numcoarsechannels, numfinechannels),
'FFT_coarse' + ` i `, 0, fft_coarse_out_bandwidth,
'FFT_fine' + ` i `, 1, fft_coarse_out_bandwidth, 1)
self.totalblocks += 1
self.blocks['FFT_fine' + ` i `] = CBlock('FFT_fine', finemodel,
'Transpose' + ` i `, 0,
fine_block_bandwidth,
'VAcc' + ` i `, 0,
fft_fine_in_bandwidth,
fine_blocks)
self.totalblocks += fine_blocks
self.blocks['VAcc' + ` i `] = CBlock(
'VAcc', {
'ROACH': {
'registers': 0.2,
'luts': 0.1,
'dsp': 0,
'bram': 0.4
},
'GTX580': {
'time': 0.001
}
}, 'FFT_fine' + ` i `, 0, fine_block_bandwidth, -1, 0, 0,
fine_blocks)
self.totalblocks += fine_blocks