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BlockCost

rhdl_ed25519_scalable_core::config

Struct BlockCost 

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pub struct BlockCost {
    pub lut: u32,
    pub ff: u32,
    pub tiles: u32,
    pub lut_per_tile: u32,
    pub adder_dsps: u32,
    pub lut_per_adder_dsp: u32,
    pub bram36: u32,
}
Expand description

One block’s resources, per instance. Profile::estimate multiplies each row by the instance count and then trades DSPs for LUTs using tiles/lut_per_tile and adder_dsps/lut_per_adder_dsp.

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§lut: u32

Fabric LUTs with every multiply tile in a DSP and adders in fabric (the baseline before any DSP trade).

§ff: u32

Flip-flops. Not traded against DSPs.

§tiles: u32

DSP-mappable multiply tiles (17 x 22 or smaller). Each tile uses one DSP48E2 when DSPs are available.

§lut_per_tile: u32

LUTs one tile costs when mapped to fabric instead of a DSP (structural estimate in both tables).

§adder_dsps: u32

Wide fabric adders that USE_DSP could move into DSPs, counted in DSPs they would occupy. Only spare DSPs (after tiles) take them.

§lut_per_adder_dsp: u32

LUTs saved per DSP when those adders move (structural estimate).

§bram36: u32

BRAM36 primitives (BRAM18s rounded into BRAM36 equivalents).

Trait Implementations§

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impl Clone for BlockCost

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fn clone(&self) -> BlockCost

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BlockCost

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for BlockCost

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fn default() -> BlockCost

Returns the “default value” for a type. Read more
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impl PartialEq for BlockCost

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fn eq(&self, other: &BlockCost) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for BlockCost

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impl StructuralPartialEq for BlockCost

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Change the foreground color to black
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Change the background color to black
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Change the foreground color to red
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Change the background color to red
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Change the foreground color to green
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Change the background color to green
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Change the foreground color to yellow
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Change the background color to yellow
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Change the foreground color to blue
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Change the background color to blue
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Change the background color to magenta
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Change the foreground color to purple
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Change the background color to purple
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Change the foreground color to cyan
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Change the background color to cyan
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Change the background color to bright green
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Change the foreground color to bright yellow
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Change the background color to bright yellow
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Change the foreground color to bright magenta
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