ieee754.part_cmp.experiments package

Submodules

ieee754.part_cmp.experiments.eq_combiner module

class ieee754.part_cmp.experiments.eq_combiner.Combiner(op, width)

Bases: nmigen.hdl.ir.Elaboratable

elaborate(platform)

ports()

class ieee754.part_cmp.experiments.eq_combiner.EQCombiner(width)

Bases: ieee754.part_cmp.experiments.eq_combiner.Combiner

class ieee754.part_cmp.experiments.eq_combiner.Twomux

Bases: nmigen.hdl.ir.Elaboratable

elaborate(platform)

class ieee754.part_cmp.experiments.eq_combiner.XORCombiner(width)

Bases: ieee754.part_cmp.experiments.eq_combiner.Combiner

ieee754.part_cmp.experiments.equal module

Copyright (C) 2020 Luke Kenneth Casson Leighton <lkcl@lkcl.net>

dynamically-partitionable “comparison” class, directly equivalent to Signal.__eq__ except SIMD-partitionable

See:

• http://libre-riscv.org/3d_gpu/architecture/dynamic_simd/eq
• http://bugs.libre-riscv.org/show_bug.cgi?id=132

class ieee754.part_cmp.experiments.equal.PartitionedEq(width, partition_points)

Bases: nmigen.hdl.ir.Elaboratable

elaborate(platform)

ieee754.part_cmp.experiments.equal_ortree module

Copyright (C) 2020 Luke Kenneth Casson Leighton <lkcl@lkcl.net>

dynamically-partitionable “comparison” class, directly equivalent to Signal.__eq__ except SIMD-partitionable

See:

• http://libre-riscv.org/3d_gpu/architecture/dynamic_simd/eq
• http://bugs.libre-riscv.org/show_bug.cgi?id=132

class ieee754.part_cmp.experiments.equal_ortree.PartitionedEq(width, partition_points)

Bases: nmigen.hdl.ir.Elaboratable

elaborate(platform)

ieee754.part_cmp.experiments.ge module

Copyright (C) 2020 Luke Kenneth Casson Leighton <lkcl@lkcl.net>

dynamically-partitionable “comparison” class, directly equivalent to Signal.__ge__ except SIMD-partitionable

See:

• http://libre-riscv.org/3d_gpu/architecture/dynamic_simd/ge
• http://bugs.libre-riscv.org/show_bug.cgi?id=132

class ieee754.part_cmp.experiments.ge.PartitionedGe(width, partition_points)

Bases: nmigen.hdl.ir.Elaboratable

elaborate(platform)

ieee754.part_cmp.experiments.ge.create_ge(nes, les, start, count)

create a greater-than-or-equal from partitioned eqs and greaterthans

this works by doing: lt3 |

(lt2 & eq3) | (lt1 & eq3 & eq2) | (lt0 & eq3 & eq2 & eq1)

ieee754.part_cmp.experiments.test module

Module contents