Pikaliov
1b3206b6a7
- Add enhanced README with project structure and quick start guide - Initialize repository with DCNv4 CUDA extension (PyTorch module) - Include classification, detection, and segmentation subdirectories - Reference upstream OpenGVLab DCNv4 implementation Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
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from __future__ import absolute_import
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from __future__ import print_function
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from __future__ import division
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import time
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import math
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import torch
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import torch.nn as nn
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import math
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from torch.autograd import gradcheck
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import pandas as pd
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from easydict import EasyDict as edict
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import argparse
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from torch.cuda import Event
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from functions.dcnv3_func import DCNv3Function, dcnv3_core_pytorch
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from functions.dcnv4_func import DCNv4Function
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torch.set_printoptions(threshold=10000)
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torch.manual_seed(3)
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#@torch.no_grad()
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def speed_test(func, args, inputs, name='Unknown'):
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tic = Event(enable_timing=True)
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toc = Event(enable_timing=True)
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# warmup
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for i in range(args.warmup_num):
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func(*inputs)
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total_time = 0
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tic.record()
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for i in range(args.test_num):
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o = func(*inputs)
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torch.cuda.synchronize()
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toc.record()
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avg_time = tic.elapsed_time(toc) / args.test_num
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# print(
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# f'>>> {name: <10} finished {args.test_num} running, avg_time: {avg_time:.6f} ms')
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return avg_time
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@torch.no_grad()
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def test(N, H_in, W_in, M, D, spec=None):
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Kh, Kw = 3, 3
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remove_center = False
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P = Kh * Kw - remove_center
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offset_scale = 2.0
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pad = 1
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dilation = 1
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stride = 1
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H_out = (H_in + 2 * pad - (dilation * (Kh - 1) + 1)) // stride + 1
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W_out = (W_in + 2 * pad - (dilation * (Kw - 1) + 1)) // stride + 1
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input = torch.rand(N, H_in, W_in, M*D).cuda()
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# print(input.shape)
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offset = (torch.rand(N, H_out, W_out, M*P*2).cuda() * 2 - 1)*2
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# offset = (torch.rand(N, H_out, W_out, M*P*2).cuda() * 2 - 1)*0
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mask_origin = torch.rand(N, H_out, W_out, M, P).cuda() + 1e-5
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mask_origin = mask_origin.half()
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mask = mask_origin
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# mask = torch.nn.functional.softmax(mask_origin, dim=-1)
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offset_mask = torch.cat([offset.unflatten(-1, (M, P * 2)), mask_origin.detach()], dim=-1).flatten(-2)
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im2col_step = 128
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input = input.half()
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offset = offset.half()
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mask = mask.half()
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offset_mask = offset_mask.half()
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dcnv3_args = [
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input,
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offset,
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mask,
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Kh, Kw, stride, stride, Kh // 2, Kw // 2, dilation, dilation, M, D, offset_scale,
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im2col_step, remove_center,
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]
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output_pytorch = DCNv3Function.apply(*dcnv3_args)
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input1 = input.detach()
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def pad(om):
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padded_zero = int(math.ceil(om.shape[3]/8)*8) - om.shape[3]
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padded = torch.zeros(om.shape[0], om.shape[1], om.shape[2], padded_zero).to(om)
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return torch.cat([om, padded], dim=-1)
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dcnv4_args = [
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input1, pad(offset_mask),
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Kh, Kw, stride, stride, Kh // 2, Kw // 2, dilation, dilation, M, D, offset_scale,
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im2col_step, remove_center,
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spec[0], spec[1], 2, None
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# 8, 512, 2, 256
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]
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output_flash_cuda = DCNv4Function.apply(*dcnv4_args)
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fwdok = torch.allclose(output_flash_cuda, output_pytorch, rtol=1e-2, atol=1e-3)
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max_abs_err = (output_flash_cuda - output_pytorch).abs().max()
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max_rel_err = ((output_flash_cuda - output_pytorch).abs() /
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(output_pytorch.abs()+ 1e-3)).max()
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# print('>>> forward half')
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# print(f'* {fwdok} check_forward_equal_with_pytorch_float: max_abs_err {max_abs_err:.2e} max_rel_err {max_rel_err:.2e}')
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if not fwdok:
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print(f"Wrong: {N}x{H_in}x{W_in}x{M}x{D} \t {spec[0]}/{spec[1]}({spec[2]})")
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return
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# assert(fwdok)
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test_args = edict({'warmup_num': 10000, 'test_num': 10000})
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exp_time_dcnv4 = speed_test(DCNv4Function.apply, test_args, dcnv4_args, name='exp')
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torch.cuda.synchronize()
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print(f"{N}x{H_in}x{W_in}x{M}x{D} \t {spec[0]}/{spec[1]}({spec[2]}): {exp_time_dcnv4}")
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument("--n", type=int)
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parser.add_argument("--h", type=int)
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parser.add_argument("--w", type=int)
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parser.add_argument("--g", type=int)
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parser.add_argument("--c", type=int)
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parser.add_argument("--dstride", type=int)
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parser.add_argument("--blockthread", type=int)
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parser.add_argument("--multiplier", type=int)
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args = parser.parse_args()
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test(args.n, args.h, args.w, args.g, args.c, (args.dstride, args.blockthread, args.multiplier))
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