a97605d7c0
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Documents-only replay ofed7d2626d(bfccc26ed4) for the box mirror master
26 lines
2.3 KiB
Python
26 lines
2.3 KiB
Python
#!/usr/bin/env python3
|
|
"""The chip edge rows at the synthesised chip cost. Usage: edge.py <chip pJ per lane-op at N3> [<at N2>]
|
|
Absolute convention: E_chip = E_mem + N_ops x e_chip (the chip's shadow cost does not depend on the card's point).
|
|
The record's convention beside it: E_chip = E_mem + k x F with k = e_chip / e_gpu at the card's point."""
|
|
import sys
|
|
e3 = float(sys.argv[1]); e2 = float(sys.argv[2]) if len(sys.argv) > 2 else e3 * 0.72
|
|
NOPS = 102100 # class v4 counted ops per hash (the packs job)
|
|
# the 5090 rows: (name, card microjoules per hash, premium F, pJ per counted op at that point)
|
|
cards = [('5090 stock (class v4)', 3.36, 1.10, 10.8), ('5090 at the 1,300 MHz lock', 2.33, 0.652, 6.4)]
|
|
honest = [('M5 Max (class v4 1.40 microjoules, class v3 0.78; 6.9 pJ per op; F 0.62)', 1.40, 0.62, 6.9)]
|
|
chips = [('GDDR7 board, 28 nm controller (the record)', 0.466), ('HBM3E one stack', 0.321), ('HBM4 one stack, N12 base die', 0.22),
|
|
('custom HBM4E base die, N3P', 0.18), ('DRAM on logic, hybrid bonded (2029 to 2031)', 0.15), ('SRAM full store, one N2 reticle', 0.14)]
|
|
def edge_abs(card, mem, e): return card / (mem + NOPS * e * 1e-6)
|
|
def edge_rec(card, F, mem, k): return card / (mem + k * F)
|
|
print(f'Chip shadow per hash, absolute: N3 {NOPS*e3*1e-6:.3f} microjoules, N2 {NOPS*e2*1e-6:.3f}.')
|
|
print('| Chip (E_mem, microjoules) | Card row | Zero shadow | Absolute, N3 core | Absolute, N2 core | Record convention at the measured k (N3) | at k = 1 | at k = 0.5 |')
|
|
print('|---|---|---|---|---|---|---|---|')
|
|
for cn, mem in chips:
|
|
for rn, card, F, egpu in cards + honest:
|
|
k3 = e3 / egpu
|
|
print(f'| {cn} ({mem}) | {rn} | {(card-F)/mem:.1f}x | {edge_abs(card,mem,e3):.1f}x | {edge_abs(card,mem,e2):.1f}x | {edge_rec(card,F,mem,k3):.1f}x (k {k3:.2f}) | {edge_rec(card,F,mem,1):.1f}x | {edge_rec(card,F,mem,0.5):.1f}x |')
|
|
print('\nFloor lane 1 assumption (not in by 18:00 UK): the honest 5090 at 1.0 microjoules per hash at zero shadow.')
|
|
print('| Chip | Premium kept at 0.652 (card 1.652): absolute N3 / N2 | Premium scaled with the card, 0.390 (card 1.390): absolute N3 / N2 | zero shadow |')
|
|
print('|---|---|---|---|')
|
|
for cn, mem in chips:
|
|
print(f'| {cn} | {edge_abs(1.652,mem,e3):.1f}x / {edge_abs(1.652,mem,e2):.1f}x | {edge_abs(1.390,mem,e3):.1f}x / {edge_abs(1.390,mem,e2):.1f}x | {1.0/mem:.1f}x |')
|