sweep: 6 short-context CSVs (3 variants x prefill+decode) + 6 wall/util figures
This commit is contained in:
eusonice
@@ -0,0 +1,165 @@
|
||||
"""B: per-cube trade-off (mode comparison, variant-invariant)
|
||||
C: GEMM util ablation (A1 only, variant comparison)
|
||||
|
||||
Output: docs/report/1H-codesign-paper/figures/gqa_short_context/
|
||||
"""
|
||||
from __future__ import annotations
|
||||
|
||||
import csv
|
||||
from pathlib import Path
|
||||
|
||||
import matplotlib.pyplot as plt
|
||||
import numpy as np
|
||||
|
||||
ROOT = Path("/Users/lalicorne/Desktop/ahbm/kernbench2")
|
||||
SWEEPS = ROOT / "docs" / "sweeps"
|
||||
OUT = ROOT / "docs" / "report" / "1H-codesign-paper" / "figures" / "gqa_short_context"
|
||||
OUT.mkdir(parents=True, exist_ok=True)
|
||||
|
||||
CONTEXTS = [8192, 16384, 32768, 65536]
|
||||
CONTEXT_LABELS = ["8K", "16K", "32K", "64K"]
|
||||
MODES = ["A1", "A2", "A4", "B"]
|
||||
MODE_LABEL = {"A1": "1-kv-per-cube", "A2": "2-kv-per-cube",
|
||||
"A4": "4-kv-per-cube", "B": "8-kv-per-cube"}
|
||||
MODE_COLOR = {MODE_LABEL["A1"]: "#1f77b4",
|
||||
MODE_LABEL["A2"]: "#2ca02c",
|
||||
MODE_LABEL["A4"]: "#ffd000",
|
||||
MODE_LABEL["B"]: "#d62728"}
|
||||
VARIANTS = [
|
||||
("baseline", "(1) without composite"),
|
||||
("composite", "(2) with composite (GEMM-only)"),
|
||||
("composite_fused", "(3) with composite + softmax_merge"),
|
||||
]
|
||||
VARIANT_COLOR = {
|
||||
"baseline": "#1f77b4",
|
||||
"composite": "#2ca02c",
|
||||
"composite_fused": "#d62728",
|
||||
}
|
||||
|
||||
CSV_MAP = {
|
||||
("decode", "baseline"): SWEEPS / "short_context_decode_sweep.csv",
|
||||
("decode", "composite"): SWEEPS / "short_context_decode_composite_sweep.csv",
|
||||
("decode", "composite_fused"): SWEEPS / "short_context_decode_composite_fused_sweep.csv",
|
||||
("prefill", "baseline"): SWEEPS / "short_context_prefill_sweep.csv",
|
||||
("prefill", "composite"): SWEEPS / "short_context_prefill_composite_sweep.csv",
|
||||
("prefill", "composite_fused"): SWEEPS / "short_context_prefill_composite_fused_sweep.csv",
|
||||
}
|
||||
|
||||
|
||||
def load(phase, variant):
|
||||
"""{(mode, S_kv): row dict}."""
|
||||
rows = {}
|
||||
with CSV_MAP[(phase, variant)].open() as f:
|
||||
for r in csv.DictReader(f):
|
||||
rows[(r["mode"], int(r["S_kv"]))] = r
|
||||
return rows
|
||||
|
||||
|
||||
def _grouped_bars(ax, x_labels, groups, group_color, ylabel, title,
|
||||
log=False, value_fmt="{:.3g}"):
|
||||
n = len(groups)
|
||||
nx = len(x_labels)
|
||||
width = 0.8 / n
|
||||
x = np.arange(nx)
|
||||
for i, (label, values) in enumerate(groups):
|
||||
offset = (i - (n - 1) / 2) * width
|
||||
bars = ax.bar(x + offset, values, width, label=label,
|
||||
color=group_color[label], edgecolor="black",
|
||||
linewidth=0.4)
|
||||
for bar, v in zip(bars, values):
|
||||
if v <= 0 and log:
|
||||
continue
|
||||
ax.text(bar.get_x() + bar.get_width() / 2,
|
||||
bar.get_height(),
|
||||
value_fmt.format(v), ha="center", va="bottom",
|
||||
fontsize=7)
|
||||
ax.set_xticks(x)
|
||||
ax.set_xticklabels(x_labels)
|
||||
ax.set_xlabel("S_kv")
|
||||
ax.set_ylabel(ylabel)
|
||||
ax.set_title(title)
|
||||
if log:
|
||||
ax.set_yscale("log")
|
||||
ax.grid(True, axis="y", alpha=0.3, which="both")
|
||||
ax.legend(fontsize=8, loc="upper left")
|
||||
|
||||
|
||||
# ── B: per-cube trade-off (mode comparison, variant 1 baseline) ──
|
||||
|
||||
def fig_b_per_cube_tradeoff():
|
||||
"""3 metrics × 2 phases — mode comparison.
|
||||
|
||||
Compute path doesn't affect HBM/IPCQ/KV cost (variant-invariant);
|
||||
use variant 1 baseline rows.
|
||||
"""
|
||||
fig, axes = plt.subplots(2, 2, figsize=(13, 9))
|
||||
|
||||
METRICS = [
|
||||
("hbm_bw_util", "HBM BW utilization (per PE)", False, "{:.3f}"),
|
||||
("ipcq_kb", "IPCQ traffic (KB)", True, "{:.1f}"),
|
||||
]
|
||||
for row, (key, ylabel, log, fmt) in enumerate(METRICS):
|
||||
for col, phase in enumerate(("prefill", "decode")):
|
||||
ax = axes[row][col]
|
||||
rows = load(phase, "baseline")
|
||||
groups = []
|
||||
for mode in MODES:
|
||||
values = [float(rows[(mode, s)][key]) for s in CONTEXTS]
|
||||
groups.append((MODE_LABEL[mode], values))
|
||||
_grouped_bars(ax, CONTEXT_LABELS, groups, MODE_COLOR,
|
||||
ylabel=ylabel,
|
||||
title=f"{phase.capitalize()}",
|
||||
log=log, value_fmt=fmt)
|
||||
|
||||
fig.suptitle(
|
||||
"Per-cube trade-off: HBM BW + IPCQ mode comparison",
|
||||
fontsize=12, fontweight="bold")
|
||||
fig.tight_layout()
|
||||
out = OUT / "per_cube_tradeoff_mode_compare.png"
|
||||
fig.savefig(out, dpi=140, bbox_inches="tight")
|
||||
plt.close(fig)
|
||||
print(f" ✓ {out}")
|
||||
|
||||
|
||||
# ── C: GEMM util ablation (A1, variant compare) ──
|
||||
|
||||
def fig_c_gemm_util_ablation():
|
||||
"""A1 only; x=S_kv, grouped bars per variant; 2 panels (prefill/decode).
|
||||
|
||||
NOTE annotation: gemm_util gap is largely supertile padding overhead
|
||||
(M=8 < TILE_M=32), not pure fusion gain. See ADR-0070 limitation #4.
|
||||
"""
|
||||
fig, axes = plt.subplots(1, 2, figsize=(13, 5.4))
|
||||
for ax, phase in zip(axes, ("prefill", "decode")):
|
||||
groups = []
|
||||
for variant_key, _ in VARIANTS:
|
||||
rows = load(phase, variant_key)
|
||||
values = [float(rows[("A1", s)]["gemm_util"]) for s in CONTEXTS]
|
||||
groups.append((variant_key, values))
|
||||
_grouped_bars(ax, CONTEXT_LABELS, groups, VARIANT_COLOR,
|
||||
ylabel="GEMM engine utilization (per PE)",
|
||||
title=f"{phase.capitalize()}",
|
||||
log=False, value_fmt="{:.4f}")
|
||||
# Replace legend with readable labels
|
||||
ax.legend([v[1] for v in VARIANTS], fontsize=8, loc="upper left")
|
||||
|
||||
fig.suptitle("1-kv-per-cube: GEMM utilization variant comparison",
|
||||
fontsize=12, fontweight="bold")
|
||||
fig.text(
|
||||
0.5, -0.04,
|
||||
"⚠ Higher gemm_util on composite/fused is largely supertile "
|
||||
"padding overhead (M=G=8 padded to TILE_M=32), not pure fusion "
|
||||
"gain. See ADR-0070 limitation #4.",
|
||||
ha="center", fontsize=9, style="italic", color="#555")
|
||||
fig.tight_layout()
|
||||
out = OUT / "gemm_util_a1_variant_ablation.png"
|
||||
fig.savefig(out, dpi=140, bbox_inches="tight")
|
||||
plt.close(fig)
|
||||
print(f" ✓ {out}")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
print(f"Output: {OUT}")
|
||||
fig_b_per_cube_tradeoff()
|
||||
fig_c_gemm_util_ablation()
|
||||
print("\nDone.")
|
||||
Reference in New Issue
Block a user