ImcArray Class Reference

definition of an Analog/Digital In-SRAM-Computing (A/DIMC) core constraint: – activation precision must be in the power of 2. More...

Inheritance diagram for ImcArray:

Collaboration diagram for ImcArray:

Public Member Functions
def	__init__ (self, bool is_analog_imc, int bit_serial_precision, list[int] input_precision, int adc_resolution, int cells_size, float|None cells_area, dict[OADimension, int] dimension_sizes, bool auto_cost_extraction=False)
tuple[float, float, float]	get_adc_cost (self)
	single ADC and analog accumulation cost calculation More...
tuple[float, float, float]	get_dac_cost (self)
	single DAC cost calculation More...
def	get_area (self)
	get area of IMC macros (cells, mults, adders, adders_pv, accumulators. More...
def	get_tclk (self)
	get clock cycle time of imc macros (worst path: dacs -> mults -> adcs -> adders -> accumulators) More...
dict[str, float]	get_peak_energy_single_cycle (self)
	macro-level one-cycle energy of imc arrays (fully utilization, no weight updating) (components: cells, mults, adders, adders_pv, accumulators. More...
tuple[float, float, float]	get_macro_level_peak_performance (self)
	macro-level peak performance of imc arrays (fully utilization, no weight updating) More...
dict[str, float]	get_energy_for_a_layer (self, LayerNode layer, Mapping mapping)
def	__jsonrepr__ (self)

Public Attributes
	adc_resolution
	bit_serial_precision
	cells_w_cost
	area_breakdown
	area
	tclk_breakdown
	tclk
	mapped_rows_total_per_macro
	energy_breakdown
	energy

Detailed Description

definition of an Analog/Digital In-SRAM-Computing (A/DIMC) core constraint: – activation precision must be in the power of 2.

– bit_serial_precision must be in the power of 2.

Constructor & Destructor Documentation

__init__()

def __init__	(		self,
		bool	is_analog_imc,
		int	bit_serial_precision,
		list[int]	input_precision,
		int	adc_resolution,
		int	cells_size,
		float | None	cells_area,
		dict[OADimension, int]	dimension_sizes,
		bool	auto_cost_extraction = False
	)

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Member Function Documentation

__jsonrepr__()

def __jsonrepr__

(

self

)

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get_adc_cost()

tuple[float, float, float] get_adc_cost

(

self

)

single ADC and analog accumulation cost calculation

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get_area()

def get_area

(

self

)

get area of IMC macros (cells, mults, adders, adders_pv, accumulators.

Exclude input/output regs)

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get_dac_cost()

tuple[float, float, float] get_dac_cost

(

self

)

single DAC cost calculation

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get_energy_for_a_layer()

dict[str, float] get_energy_for_a_layer	(		self,
		LayerNode	layer,
		Mapping	mapping
	)

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get_macro_level_peak_performance()

tuple[float, float, float] get_macro_level_peak_performance

(

self

)

macro-level peak performance of imc arrays (fully utilization, no weight updating)

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get_peak_energy_single_cycle()

dict[str, float] get_peak_energy_single_cycle

(

self

)

macro-level one-cycle energy of imc arrays (fully utilization, no weight updating) (components: cells, mults, adders, adders_pv, accumulators.

Not include input/output regs)

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get_tclk()

def get_tclk

(

self

)

get clock cycle time of imc macros (worst path: dacs -> mults -> adcs -> adders -> accumulators)

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Member Data Documentation

adc_resolution

adc_resolution

area

area

area_breakdown

area_breakdown

bit_serial_precision

bit_serial_precision

cells_w_cost

cells_w_cost

energy

energy

energy_breakdown

energy_breakdown

mapped_rows_total_per_macro

mapped_rows_total_per_macro

tclk

tclk

tclk_breakdown

tclk_breakdown

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The documentation for this class was generated from the following file:

• /home/runner/work/zigzag/zigzag/zigzag/hardware/architecture/imc_array.py