def tally_quantile_for_layer(layername):
rq = tally.tally_quantile(
flatten_activations,
dataset=ds,
sample_size=sample_size,
batch_size=100,
cachefile='results/{}/{}_rq_cache.npz'.format(dataset, layername))
return rq
def main():
args = parseargs()
resdir = 'results/%s-%s-%s' % (args.model, args.dataset, args.seg)
if args.layer is not None:
resdir += '-' + args.layer
if args.quantile != 0.005:
resdir += ('-%g' % (args.quantile * 1000))
if args.thumbsize != 100:
resdir += ('-t%d' % (args.thumbsize))
resfile = pidfile.exclusive_dirfn(resdir)
model = load_model(args)
layername = instrumented_layername(args)
model.retain_layer(layername)
dataset = load_dataset(args, model=model.model)
upfn = make_upfn(args, dataset, model, layername)
sample_size = len(dataset)
is_generator = (args.model == 'progan')
percent_level = 1.0 - args.quantile
iou_threshold = args.miniou
image_row_width = 5
torch.set_grad_enabled(False)
# Tally rq.np (representation quantile, unconditional).
pbar.descnext('rq')
def compute_samples(batch, *args):
data_batch = batch.cuda()
_ = model(data_batch)
acts = model.retained_layer(layername)
hacts = upfn(acts)
return hacts.permute(0, 2, 3, 1).contiguous().view(-1, acts.shape[1])
rq = tally.tally_quantile(compute_samples, dataset,
sample_size=sample_size,
r=8192,
num_workers=100,
pin_memory=True,
cachefile=resfile('rq.npz'))
# Create visualizations - first we need to know the topk
pbar.descnext('topk')
def compute_image_max(batch, *args):
data_batch = batch.cuda()
_ = model(data_batch)
acts = model.retained_layer(layername)
acts = acts.view(acts.shape[0], acts.shape[1], -1)
acts = acts.max(2)[0]
return acts
topk = tally.tally_topk(compute_image_max, dataset, sample_size=sample_size,
batch_size=50, num_workers=30, pin_memory=True,
cachefile=resfile('topk.npz'))
# Visualize top-activating patches of top-activatin images.
pbar.descnext('unit_images')
image_size, image_source = None, None
if is_generator:
image_size = model(dataset[0][0].cuda()[None,...]).shape[2:]
else:
image_source = dataset
iv = imgviz.ImageVisualizer((args.thumbsize, args.thumbsize),
image_size=image_size,
source=dataset,
quantiles=rq,
level=rq.quantiles(percent_level))
def compute_acts(data_batch, *ignored_class):
data_batch = data_batch.cuda()
out_batch = model(data_batch)
acts_batch = model.retained_layer(layername)
if is_generator:
return (acts_batch, out_batch)
else:
return (acts_batch, data_batch)
unit_images = iv.masked_images_for_topk(
compute_acts, dataset, topk,
k=image_row_width, num_workers=30, pin_memory=True,
cachefile=resfile('top%dimages.npz' % image_row_width))
pbar.descnext('saving images')
imgsave.save_image_set(unit_images, resfile('image/unit%d.jpg'),
sourcefile=resfile('top%dimages.npz' % image_row_width))
# Compute IoU agreement between segmentation labels and every unit
# Grab the 99th percentile, and tally conditional means at that level.
level_at_99 = rq.quantiles(percent_level).cuda()[None,:,None,None]
segmodel, seglabels, segcatlabels = setting.load_segmenter(args.seg)
renorm = renormalize.renormalizer(dataset, target='zc')
def compute_conditional_indicator(batch, *args):
data_batch = batch.cuda()
out_batch = model(data_batch)
image_batch = out_batch if is_generator else renorm(data_batch)
seg = segmodel.segment_batch(image_batch, downsample=4)
acts = model.retained_layer(layername)
hacts = upfn(acts)
iacts = (hacts > level_at_99).float() # indicator
return tally.conditional_samples(iacts, seg)
pbar.descnext('condi99')
condi99 = tally.tally_conditional_mean(compute_conditional_indicator,
dataset, sample_size=sample_size,
num_workers=3, pin_memory=True,
cachefile=resfile('condi99.npz'))
# Now summarize the iou stats and graph the units
iou_99 = tally.iou_from_conditional_indicator_mean(condi99)
unit_label_99 = [
(concept.item(), seglabels[concept],
segcatlabels[concept], bestiou.item())
for (bestiou, concept) in zip(*iou_99.max(0))]
labelcat_list = [labelcat
for concept, label, labelcat, iou in unit_label_99
if iou > iou_threshold]
save_conceptcat_graph(resfile('concepts_99.svg'), labelcat_list)
dump_json_file(resfile('report.json'), dict(
header=dict(
name='%s %s %s' % (args.model, args.dataset, args.seg),
image='concepts_99.svg'),
units=[
dict(image='image/unit%d.jpg' % u,
unit=u, iou=iou, label=label, cat=labelcat[1])
for u, (concept, label, labelcat, iou)
in enumerate(unit_label_99)])
)
copy_static_file('report.html', resfile('+report.html'))
resfile.done();
def _get_rq_vals(self):
rq = tally.tally_quantile(self._flatten_activations,
dataset=self.ds,
sample_size=self.sample_size,
batch_size=10)
return rq
f.write('busy')
print('working on', layername)
inst_net = nethook.InstrumentedModel(copy.deepcopy(net)).cuda()
inst_net.retain_layer('features.' + layername)
inst_net(ds[0][0][None].cuda())
sample_act = inst_net.retained_layer('features.' + layername).cpu()
upfn = upsample.upsampler((64, 64), sample_act.shape[2:])
def flat_acts(batch):
inst_net(batch.cuda())
acts = upfn(inst_net.retained_layer('features.' + layername))
return acts.permute(0, 2, 3, 1).contiguous().view(-1, acts.shape[1])
s_rq = tally.tally_quantile(flat_acts,
sds,
cachefile=os.path.join(qd.dir(layername),
's_rq.npz'))
u_rq = qd.rq(layername)
def intersect_99_fn(uimg, simg):
s_99 = s_rq.quantiles(0.99)[None, :, None, None].cuda()
u_99 = u_rq.quantiles(0.99)[None, :, None, None].cuda()
with torch.no_grad():
ux, sx = uimg.cuda(), simg.cuda()
inst_net(ux)
ur = inst_net.retained_layer('features.' + layername)
inst_net(sx)
sr = inst_net.retained_layer('features.' + layername)
return ((sr > s_99).float() * (ur > u_99).float()).permute(
0, 2, 3, 1).reshape(-1, ur.size(1))
(56, 56), # The target output shape
(7, 7),
source=dataset,
)
renorm = renormalize.renormalizer(dataset, mode='zc')
def compute_samples(batch, *args):
image_batch = batch.cuda()
_ = model(image_batch)
acts = model.retained_layer(layername)
hacts = upfn(acts)
return hacts.permute(0, 2, 3, 1).contiguous().view(-1, acts.shape[1])
pbar.descnext('rq')
rq = tally.tally_quantile(compute_samples, dataset, sample_size=sample_size,
r=8192, cachefile=resfile('rq.npz'))
if False:
def compute_conditional_samples(batch, *args):
image_batch = batch.cuda()
_ = model(image_batch)
acts = model.retained_layer(layername)
seg = segmodel.segment_batch(renorm(image_batch), downsample=4)
hacts = upfn(acts)
return tally.conditional_samples(hacts, seg)
pbar.descnext('condq')
condq = tally.tally_conditional_quantile(compute_conditional_samples,
dataset, sample_size=sample_size, cachefile=resfile('condq.npz'))
level_at_99 = rq.quantiles(0.99).cuda()[None,:,None,None]
def main():
args = parseargs()
resdir = 'results/%s-%s-%s-%s-%s' % (args.model, args.dataset, args.seg,
args.layer, int(args.quantile * 1000))
def resfile(f):
return os.path.join(resdir, f)
model = load_model(args)
layername = instrumented_layername(args)
model.retain_layer(layername)
dataset = load_dataset(args, model=model.model)
upfn = make_upfn(args, dataset, model, layername)
sample_size = len(dataset)
is_generator = (args.model == 'progan')
percent_level = 1.0 - args.quantile
# Tally rq.np (representation quantile, unconditional).
torch.set_grad_enabled(False)
pbar.descnext('rq')
def compute_samples(batch, *args):
data_batch = batch.cuda()
_ = model(data_batch)
acts = model.retained_layer(layername)
hacts = upfn(acts)
return hacts.permute(0, 2, 3, 1).contiguous().view(-1, acts.shape[1])
rq = tally.tally_quantile(compute_samples,
dataset,
sample_size=sample_size,
r=8192,
num_workers=100,
pin_memory=True,
cachefile=resfile('rq.npz'))
# Grab the 99th percentile, and tally conditional means at that level.
level_at_99 = rq.quantiles(percent_level).cuda()[None, :, None, None]
segmodel, seglabels, segcatlabels = setting.load_segmenter(args.seg)
renorm = renormalize.renormalizer(dataset, target='zc')
def compute_conditional_indicator(batch, *args):
data_batch = batch.cuda()
out_batch = model(data_batch)
image_batch = out_batch if is_generator else renorm(data_batch)
seg = segmodel.segment_batch(image_batch, downsample=4)
acts = model.retained_layer(layername)
hacts = upfn(acts)
iacts = (hacts > level_at_99).float() # indicator
return tally.conditional_samples(iacts, seg)
pbar.descnext('condi99')
condi99 = tally.tally_conditional_mean(compute_conditional_indicator,
dataset,
sample_size=sample_size,
num_workers=3,
pin_memory=True,
cachefile=resfile('condi99.npz'))
# Now summarize the iou stats and graph the units
iou_99 = tally.iou_from_conditional_indicator_mean(condi99)
unit_label_99 = [(concept.item(), seglabels[concept],
segcatlabels[concept], bestiou.item())
for (bestiou, concept) in zip(*iou_99.max(0))]
def measure_segclasses_with_zeroed_units(zeroed_units, sample_size=100):
model.remove_edits()
def zero_some_units(x, *args):
x[:, zeroed_units] = 0
return x
model.edit_layer(layername, rule=zero_some_units)
num_seglabels = len(segmodel.get_label_and_category_names()[0])
def compute_mean_seg_in_images(batch_z, *args):
img = model(batch_z.cuda())
seg = segmodel.segment_batch(img, downsample=4)
seg_area = seg.shape[2] * seg.shape[3]
seg_counts = torch.bincount(
(seg + (num_seglabels * torch.arange(
seg.shape[0], dtype=seg.dtype,
device=seg.device)[:, None, None, None])).view(-1),
minlength=num_seglabels * seg.shape[0]).view(seg.shape[0], -1)
seg_fracs = seg_counts.float() / seg_area
return seg_fracs
result = tally.tally_mean(compute_mean_seg_in_images,
dataset,
batch_size=30,
sample_size=sample_size,
pin_memory=True)
model.remove_edits()
return result
# Intervention experiment here:
# segs_baseline = measure_segclasses_with_zeroed_units([])
# segs_without_treeunits = measure_segclasses_with_zeroed_units(tree_units)
num_units = len(unit_label_99)
baseline_segmean = test_generator_segclass_stats(
model,
dataset,
segmodel,
layername=layername,
cachefile=resfile('segstats/baseline.npz')).mean()
pbar.descnext('unit ablation')
unit_ablation_segmean = torch.zeros(num_units, len(baseline_segmean))
for unit in pbar(random.sample(range(num_units), num_units)):
stats = test_generator_segclass_stats(
model,
dataset,
segmodel,
layername=layername,
zeroed_units=[unit],
cachefile=resfile('segstats/ablated_unit_%d.npz' % unit))
unit_ablation_segmean[unit] = stats.mean()
ablate_segclass_name = 'tree'
ablate_segclass = seglabels.index(ablate_segclass_name)
best_iou_units = iou_99[ablate_segclass, :].sort(0)[1].flip(0)
byiou_unit_ablation_seg = torch.zeros(30)
for unitcount in pbar(random.sample(range(0, 30), 30)):
zero_units = best_iou_units[:unitcount].tolist()
stats = test_generator_segclass_delta_stats(
model,
dataset,
segmodel,
layername=layername,
zeroed_units=zero_units,
cachefile=resfile('deltasegstats/ablated_best_%d_iou_%s.npz' %
(unitcount, ablate_segclass_name)))
byiou_unit_ablation_seg[unitcount] = stats.mean()[ablate_segclass]
# Generator context experiment.
num_segclass = len(seglabels)
door_segclass = seglabels.index('door')
door_units = iou_99[door_segclass].sort(0)[1].flip(0)[:20]
door_high_values = rq.quantiles(0.995)[door_units].cuda()
def compute_seg_impact(zbatch, *args):
zbatch = zbatch.cuda()
model.remove_edits()
orig_img = model(zbatch)
orig_seg = segmodel.segment_batch(orig_img, downsample=4)
orig_segcount = tally.batch_bincount(orig_seg, num_segclass)
rep = model.retained_layer(layername).clone()
ysize = orig_seg.shape[2] // rep.shape[2]
xsize = orig_seg.shape[3] // rep.shape[3]
def gen_conditions():
for y in range(rep.shape[2]):
for x in range(rep.shape[3]):
# Take as the context location the segmentation
# labels at the center of the square.
selsegs = orig_seg[:, :, y * ysize + ysize // 2,
x * xsize + xsize // 2]
changed_rep = rep.clone()
changed_rep[:, door_units, y,
x] = (door_high_values[None, :])
model.edit_layer(layername,
ablation=1.0,
replacement=changed_rep)
changed_img = model(zbatch)
changed_seg = segmodel.segment_batch(changed_img,
downsample=4)
changed_segcount = tally.batch_bincount(
changed_seg, num_segclass)
delta_segcount = (changed_segcount - orig_segcount).float()
for sel, delta in zip(selsegs, delta_segcount):
for cond in torch.bincount(sel).nonzero()[:, 0]:
if cond == 0:
continue
yield (cond.item(), delta)
return gen_conditions()
cond_changes = tally.tally_conditional_mean(
compute_seg_impact,
dataset,
sample_size=10000,
batch_size=20,
cachefile=resfile('big_door_cond_changes.npz'))
