 Andrej Karpathy
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f43592954f
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reset back to precious hyperparameters
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2024-04-29 22:44:25 +00:00 |
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Andrej Karpathy
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ee125cffc4
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make it imo clearer that the grid size is one quarter as large as it would otherwise be. because each thread now does 4X work
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2024-04-29 22:40:26 +00:00 |
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Andrej Karpathy
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083b210dd4
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small changes
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2024-04-29 22:38:03 +00:00 |
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Andrej Karpathy
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d9506a7a0a
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minor changes to packed128
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2024-04-29 22:31:19 +00:00 |
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Andrej Karpathy
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7eefefb511
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Merge branch 'yet-another-gelu' of https://github.com/ngc92/llm.c into ngc92-yet-another-gelu
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2024-04-29 22:19:35 +00:00 |
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Erik Schultheis
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4872c57164
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comments
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2024-04-29 22:46:33 +03:00 |
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Erik Schultheis
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9f07a176e0
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simplify to only support cs
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2024-04-29 22:43:52 +03:00 |
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Erik Schultheis
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896b644cb9
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slight simplification
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2024-04-29 22:19:12 +03:00 |
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Erik Schultheis
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45252d434c
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yet another gelu
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2024-04-29 21:53:08 +03:00 |
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ademeure
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d23bb1fd13
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Merge remote-tracking branch 'karpathy/master' into layernormbf16
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2024-04-29 19:41:54 +01:00 |
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ademeure
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49ffd68317
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Fix sizeof(T) -> sizeof(D) (was overallocating memory)
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2024-04-29 15:47:59 +01:00 |
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ademeure
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1e50f3b976
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Only enable kernel4 with BF16
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2024-04-29 01:55:06 +01:00 |
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ademeure
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82fef03acd
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Use kernel6 for train_gpt2, and add all other kernels to /dev/cuda (+bugfixes)
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2024-04-29 01:51:10 +01:00 |
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Andrej Karpathy
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327eef3f22
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incorporate faster encoder_forward kernel to fp32 CUDA version
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2024-04-28 20:10:33 +00:00 |
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lancer
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1c7d23ab3c
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amend the float4 kernel
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2024-04-27 20:26:19 -07:00 |
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lancer
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61c5c05ea8
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amend the float4 kernel
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2024-04-27 20:23:39 -07:00 |
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lancer
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cfccd821e6
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Include the float4 kernel
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2024-04-27 19:58:18 -07:00 |
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Andrej Karpathy
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12da2c16cc
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slight docs tweaks to dev/cuda
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2024-04-27 14:40:57 +00:00 |
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austinvhuang
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25d703fbec
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Use a make pattern rule to simplify Makefile, group kernels into forward/backward/updates/nccls, add some comments and update the README.md
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2024-04-27 00:13:01 -04:00 |
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austinvhuang
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d937f93aaa
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Add a local convenience Makefile for dev/cuda/, fix 2 minor warnings observed when building all targets.
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2024-04-26 21:19:44 -04:00 |
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Andrej Karpathy
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a00a3a88ef
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fix bug with all_hostsname_hashes missing, re-arrange code a bit, make sure we only print on rank0
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2024-04-26 18:11:09 +00:00 |
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Andrej Karpathy
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8389fbaa0c
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Merge branch 'multi_gpu_support' of https://github.com/PeterZhizhin/llm.c into PeterZhizhin-multi_gpu_support
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2024-04-26 15:55:15 +00:00 |
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Petr Zhizhin
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d49e8301eb
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[Multi-GPU] llm.c now runs on multiple GPUs with NCCL
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2024-04-24 22:11:00 +00:00 |
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Andrej Karpathy
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250159e140
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encoder backward add, we want to get rid of atomics, hmm
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2024-04-23 19:06:15 +00:00 |
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Andrej Karpathy
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249140287f
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rename positional_forward to encoder_forward as it should have been
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2024-04-23 18:19:20 +00:00 |
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Andrej Karpathy
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e3bcae6b2b
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incorporate layernorm backward kernel 2, we are now down to 73.1ms/iter on average
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2024-04-22 18:44:43 +00:00 |
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Andrej Karpathy
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86b3401dd5
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Merge branch 'sharedmem_layernormback' of https://github.com/ChrisDryden/llm.c into ChrisDryden-sharedmem_layernormback
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2024-04-22 18:33:42 +00:00 |
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Andrej Karpathy
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988489519c
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nice new kernel for bias reduce, we are down by ~1ms/iter, to 76.13ms/iter on average
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2024-04-22 17:51:06 +00:00 |
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Andrej Karpathy
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a42f739675
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Merge branch 'matmul-backward-bias' of https://github.com/al0vya/llm.c into al0vya-matmul-backward-bias
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2024-04-22 16:52:31 +00:00 |
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Andrej Karpathy
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b1e55951c6
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rename to _forward for the kernel, and small fixes to docs, and avoid auto
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2024-04-22 16:32:03 +00:00 |
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cip19aac
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35393b4442
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add more comments to explain the philosophy behind the kernel
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2024-04-22 17:29:11 +01:00 |
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cip19aac
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b82ec201be
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add comment
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2024-04-22 17:05:05 +01:00 |
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cip19aac
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55fbd7e6ad
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add a faster matmul backward bias kernel that uses coalesced reads and shared memory
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2024-04-22 16:35:21 +01:00 |
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Erik Schultheis
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732a8b4806
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added NaN-based makes for reference checks
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2024-04-22 14:53:24 +03:00 |
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Erik Schultheis
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caa69a5e52
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added triangular matrix multiplication kernel
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2024-04-22 14:45:51 +03:00 |
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Chris Dryden
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2752212151
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Added shared memory for the atomic additions for the layernorm_backward.cu weights and biases
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2024-04-21 16:37:08 -07:00 |
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patricxu
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41c3cc1fab
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Merge branch 'karpathy:master' into master
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2024-04-21 10:31:59 +08:00 |
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Andrej Karpathy
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9fb9c9185a
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change baseline kernel to float, for now, for fair comparison too
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2024-04-20 22:57:18 +00:00 |
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Andrej Karpathy
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8488669d25
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speed up the backward bias kernel by 45% and speed up the full running time by 1%
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2024-04-20 22:46:19 +00:00 |
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Andrej Karpathy
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19e337b99e
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a comment and some breathing room
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2024-04-20 20:00:24 +00:00 |
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Andrej Karpathy
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7e42c8b356
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Merge branch 'unistd_h_in_dev' of https://github.com/rosslwheeler/llm.c into rosslwheeler-unistd_h_in_dev
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2024-04-20 19:59:11 +00:00 |
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Erik Schultheis
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8ffc3e388b
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slow attention kernel that demonstrates a direct translation of the CPU code
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2024-04-20 19:03:34 +03:00 |
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Ross Wheeler
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d24562932f
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Adding unistd.h for Windows in Dev directory
Adding unistd.h for Windows in Dev directory
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2024-04-20 02:37:16 -07:00 |
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patricxu
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d48b0d2b2b
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fix indexing in matmul_forward_kernel1
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2024-04-20 15:38:12 +08:00 |
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Andrej
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2d3a0fbe50
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Merge pull request #181 from lancerts/const-fix-adamw
const-fix adamw.cu and fix the warning C4305: 'initializing': truncation from 'double' to 'float'
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2024-04-19 22:06:11 -07:00 |
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Andrej Karpathy
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91aab62aad
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fix kernel 5 of layernorm, bug from previous copy paste with loop bounds
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2024-04-20 00:51:06 +00:00 |
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Andrej Karpathy
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49d41ae296
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add one more kernel, allocating a block per row. bad idea if C is too low, as we have it right now
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2024-04-19 23:24:51 +00:00 |
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Andrej Karpathy
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cb791c4ef5
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new kernel that does a single pass over x on load, using a more clever variance formula. only very slightly faster on my A100 sadly
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2024-04-19 22:55:30 +00:00 |
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Erik Schultheis
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44b5bb028c
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one more version of attention backward for another few percent perf gains
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2024-04-19 22:46:40 +03:00 |
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Erik Schultheis
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a360f104ae
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some low-level optimizations
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2024-04-19 22:38:13 +03:00 |
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