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## Summary <!--- This is a required section; please describe the main purpose of this proposed code change. ---> Adds chunked ORPO loss kernel <!--- ## Details This is an optional section; is there anything specific that reviewers should be aware of? ---> ## Testing Done <!--- This is a required section; please describe how this change was tested. ---> Benchmarks   References: 1. #227 2. https://gist.github.com/Chillee/22cd93e11b887db1f596ab754d60a899#file-lce_benchmark-py <!-- Replace BLANK with your device type. For example, A100-80G-PCIe Complete the following tasks before sending your PR, and replace `[ ]` with `[x]` to indicate you have done them. --> - Hardware Type: <BLANK> - [x] run `make test` to ensure correctness - [x] run `make checkstyle` to ensure code style - [x] run `make test-convergence` to ensure convergence --------- Co-authored-by: shisahni_LinkedIn <shisahni@linkedin.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,191 @@ | ||
| import os | ||
| import sys | ||
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| import torch | ||
| import triton | ||
| from utils import ( | ||
| QUANTILES, | ||
| SingleBenchmarkRunInput, | ||
| SingleBenchmarkRunOutput, | ||
| _test_memory, | ||
| parse_benchmark_script_args, | ||
| run_benchmarks, | ||
| ) | ||
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| from liger_kernel.chunked_loss.orpo_loss import LigerFusedLinearORPOFunction | ||
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| sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "../.."))) | ||
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| class TorchLMHeadORPO(torch.nn.Module): | ||
| """Ground truth implementation of the linear fused with torch based cross entropy loss. | ||
| :param H: hidden size | ||
| :param V: vocab size | ||
| :param ignore_index: index to ignore | ||
| :param reduction: reduction method | ||
| """ | ||
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| def __init__(self, H: int, V: int, dtype: torch.dtype, ignore_index: int = -100): | ||
| from test.chunked_loss.test_orpo_loss import HF_ORPO_Loss | ||
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| super().__init__() | ||
| self.lin = torch.nn.Linear( | ||
| in_features=H, out_features=V, bias=False, dtype=dtype | ||
| ) | ||
| self.orpo_loss = HF_ORPO_Loss().get_batch_loss_metrics | ||
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| def forward(self, x, y): | ||
| return self.orpo_loss(x, self.lin.weight, y) | ||
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| class LigerLMHeadORPO(torch.nn.Module): | ||
| def __init__(self, H: int, V: int, dtype: torch.dtype, ignore_index: int = -100): | ||
| super().__init__() | ||
| self.lin = torch.nn.Linear( | ||
| in_features=H, out_features=V, bias=False, dtype=dtype | ||
| ) | ||
| self.orpo_loss = LigerFusedLinearORPOFunction.apply | ||
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| def forward(self, x, y): | ||
| return self.orpo_loss(x, self.lin.weight, y) | ||
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| ############################################################################# | ||
| # Test the memory consumption of the linear fused cross entropy loss | ||
| ############################################################################# | ||
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| def bench_memory_fused_linear_orpo_loss( | ||
| input: SingleBenchmarkRunInput, | ||
| ) -> SingleBenchmarkRunOutput: | ||
| B = input.x | ||
| T = input.extra_benchmark_config["T"] | ||
| H = input.extra_benchmark_config["H"] | ||
| V = input.extra_benchmark_config["V"] | ||
| dtype = input.extra_benchmark_config["dtype"] | ||
| provider = input.kernel_provider | ||
|
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| device = "cuda" | ||
| torch_lm_head_orpo = TorchLMHeadORPO(H=H, V=V, dtype=dtype).to(device) | ||
| liger_lm_head_orpo = LigerLMHeadORPO(H=H, V=V, dtype=dtype).to(device) | ||
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| _input = torch.randn(B, T, H, requires_grad=True, dtype=dtype, device=device) | ||
| target = torch.randint(V, (B, T), dtype=torch.long, device=device) | ||
|
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| def fwd(): | ||
| if provider == "liger": | ||
| return liger_lm_head_orpo(_input, target) | ||
| elif provider == "huggingface": | ||
| return torch_lm_head_orpo(_input, target) | ||
|
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| def full(): | ||
| y = fwd() | ||
| y.backward() | ||
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| mem_50, mem_20, mem_80 = _test_memory(full, _iter=10, quantiles=QUANTILES) | ||
| return SingleBenchmarkRunOutput( | ||
| y_20=mem_20, | ||
| y_50=mem_50, | ||
| y_80=mem_80, | ||
| ) | ||
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| # ############################################################################# | ||
| # # Test the speed of the fused linear cross entropy loss | ||
| # ############################################################################# | ||
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| def bench_speed_fused_linear_orpo_loss( | ||
| input: SingleBenchmarkRunInput, | ||
| ) -> SingleBenchmarkRunOutput: | ||
| B = input.x | ||
| T = input.extra_benchmark_config["T"] | ||
| H = input.extra_benchmark_config["H"] | ||
| V = input.extra_benchmark_config["V"] | ||
| dtype = input.extra_benchmark_config["dtype"] | ||
| provider = input.kernel_provider | ||
| mode = input.kernel_operation_mode | ||
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| device = "cuda" | ||
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| torch_lm_head_orpo = TorchLMHeadORPO(H=H, V=V, dtype=dtype).to(device) | ||
| liger_lm_head_orpo = LigerLMHeadORPO(H=H, V=V, dtype=dtype).to(device) | ||
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| _input = torch.randn(B, T, H, requires_grad=True, dtype=dtype, device=device) | ||
| target = torch.randint(V, (B, T), dtype=torch.long, device=device) | ||
|
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| def fwd(): | ||
| if provider == "liger": | ||
| return liger_lm_head_orpo(_input, target) | ||
| elif provider == "huggingface": | ||
| return torch_lm_head_orpo(_input, target) | ||
|
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| if mode == "forward": | ||
| ms_50, ms_20, ms_80 = triton.testing.do_bench( | ||
| fwd, | ||
| rep=100, | ||
| quantiles=QUANTILES, | ||
| ) | ||
| elif mode == "backward": | ||
| y = fwd() | ||
|
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| ms_50, ms_20, ms_80 = triton.testing.do_bench( | ||
| lambda: y.backward(retain_graph=True), | ||
| grad_to_none=[_input], | ||
| rep=100, | ||
| quantiles=QUANTILES, | ||
| ) | ||
| elif mode == "full": | ||
|
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| def full(): | ||
| y = fwd() | ||
| y.backward() | ||
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| ms_50, ms_20, ms_80 = triton.testing.do_bench( | ||
| full, | ||
| rep=100, | ||
| quantiles=QUANTILES, | ||
| ) | ||
| return SingleBenchmarkRunOutput( | ||
| y_20=ms_20, | ||
| y_50=ms_50, | ||
| y_80=ms_80, | ||
| ) | ||
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| if __name__ == "__main__": | ||
| args = parse_benchmark_script_args() | ||
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| common_configs = { | ||
| "kernel_name": "fused_linear_orpo_loss", | ||
| "x_name": "B", | ||
| "x_label": "B", | ||
| "x_values": [2**i for i in range(1, 5)], | ||
| "kernel_providers": ["liger", "huggingface"], | ||
| "extra_benchmark_configs": [ | ||
| { | ||
| "T": 1024, | ||
| "H": 4096, | ||
| "V": 128256, | ||
| "mode": "forward", | ||
| "dtype": torch.bfloat16, | ||
| } | ||
| ], | ||
| "overwrite": args.overwrite, | ||
| } | ||
|
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| run_benchmarks( | ||
| bench_test_fn=bench_speed_fused_linear_orpo_loss, | ||
| kernel_operation_modes=["forward", "full"], | ||
| metric_name="speed", | ||
| metric_unit="ms", | ||
| **common_configs | ||
| ) | ||
| run_benchmarks( | ||
| bench_test_fn=bench_memory_fused_linear_orpo_loss, | ||
| kernel_operation_modes=["full"], | ||
| metric_name="memory", | ||
| metric_unit="MB", | ||
| **common_configs | ||
| ) |
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