Commit Graph

2504 Commits

Author SHA1 Message Date
Richard Yan
7cf59c9480 dma and demo kernels 2024-06-07 18:11:19 -07:00
Hansung Kim
483f975439 Merge branch 'kernels' into tensor_core 2024-06-07 16:27:01 -07:00
Hansung Kim
3a6427a491 sgemm_tcore: Hardcode threadblock id 0
this is fine since we're statically dispatching only one threadblock to
the whole cluster.
2024-06-07 16:10:02 -07:00
Hansung Kim
856596cbb3 sgemm_tcore: Write reference C before sim 2024-06-07 10:39:11 -07:00
Hansung Kim
985c5fc0dc sgemm_tcore: Remove uneffective register asm 2024-06-06 18:50:31 -07:00
Hansung Kim
7c4d850074 sgemm_tcore: Experiment with high K; 48% util 2024-06-06 18:42:14 -07:00
Hansung Kim
062403066e sgemm_tcore: Bring M/N-loop inside the kernel
Instead of spawning multiple threadblocks which comes with stack access
overhead, have 1 threadblock work on the entire M/N-space thru a loop.
Grid size is fixed to the hardware parallelism.

TODO currently only works with 1 cluster in the system.
2024-06-06 15:22:01 -07:00
Hansung Kim
d5adacda30 Add args.bin to ELF
Change KERNEL_ARG_DEV_MEM_ADDR for sgemm_{wg,gemmini,tcore}
2024-06-06 15:19:39 -07:00
Hansung Kim
2c50b0cdce sgemm_tcore: Remove BM_d/BN_d 2024-06-06 14:27:57 -07:00
Hansung Kim
7f6f096191 sgemm_tcore: Use if constexpr 2024-06-06 13:43:57 -07:00
Hansung Kim
deb6e5eba2 sgemm_tcore: Move bank-conflicts to SMEM stores from GMEM loads 2024-06-06 12:43:36 -07:00
Hansung Kim
ab4d525970 sgemm_tcore: More asserts on manual unrolling 2024-06-06 12:26:07 -07:00
Hansung Kim
a42fa6a113 sgemm_tcore: Swap out mul with bitwise ops for addr ping-pong 2024-06-05 19:01:59 -07:00
Hansung Kim
65c653afde sgemm_tcore: Use arithmetic instead of branch for double-buffered addr 2024-06-05 18:03:08 -07:00
Hansung Kim
c7a6ed03de sgemm_tcore: Use constant offset to reduce SMEM addr calc 2024-06-05 18:02:34 -07:00
Hansung Kim
95b5719847 sgemm_tcore: Split K-dim loop between consumer/producer
... so that you don't have to run (warpgroup_id == 0) condition at every
loop iteration which is expensive due to vx_split/join.
2024-06-05 17:15:30 -07:00
Hansung Kim
150f14af25 sgemm_tcore: Use multiple fp regs for GMEM->SMEM 2024-06-05 16:53:39 -07:00
Hansung Kim
e44173c65e sgemm_tcore: Deconstruct addr calc for GMEM->SMEM 2024-06-05 15:11:01 -07:00
Hansung Kim
ff6e5bf6dc sgemm_tcore: Deconstruct smem addr calc to reduce reg alloc 2024-06-05 14:50:36 -07:00
Hansung Kim
d8944db369 sgemm_tcore: Double-buffer over K-dimension
TODO: Not completely parameterized with DOUBLE_BUFFER yet.
2024-06-04 18:23:27 -07:00
Hansung Kim
18e3653d31 sgemm_tcore: Increase RF data reuse for WMITER/WNITER
... by splitting vx_wmma_load to vx_wmma_load_{a,b} and pulling it
out of the innermost loop.

TODO: there's some duplicate address compute being done in the both
functions.
2024-06-03 21:10:42 -07:00
Hansung Kim
4e723c4655 sgemm_tcore: Support two accumulation reg tiles 2024-06-01 01:12:38 -07:00
Hansung Kim
c8d6c56dd9 sgemm_tcore: Split global DMEM load into a function 2024-05-31 17:37:06 -07:00
Hansung Kim
220ee0aa5e sgemm_tcore: Unroll around WMITER/WNITER
This is within a very tight loop so it's worth unrolling at the risk of
stack spills somewhere else.
2024-05-31 17:35:22 -07:00
Hansung Kim
2b5836022d Also generate kernel.CONFIG.elf 2024-05-26 13:57:07 -07:00
Hansung Kim
c08a4cba8b Add -ffixed-regs to tests/kernel makefile 2024-05-26 13:56:34 -07:00
Hansung Kim
1e48bad4f9 sgemm_tcore: Fix AS transpose 2024-05-26 13:51:47 -07:00
Hansung Kim
200fd3e08c sgemm_tcore: Revert to packed smem alloc 2024-05-25 22:47:59 -07:00
Hansung Kim
bc7bd1a1dd sgemm_tcore: Write reference C matrix to file 2024-05-25 22:47:15 -07:00
Hansung Kim
0a884e1ead tensor: spawn on all warps, 8 lanes 2024-05-25 20:19:57 -07:00
Hansung Kim
b892c22f00 sgemm_tcore: Reflect WMITER/WNITER in threadblock size 2024-05-16 23:31:52 -07:00
Hansung Kim
18ecebddc0 sgemm_tcore: Fix round-down error with CORES_PER_CLUSTER 2024-05-16 21:36:24 -07:00
Hansung Kim
78b2a318c1 sgemm_tcore: Implement A transpose for coalesced smem access 2024-05-16 20:22:15 -07:00
Hansung Kim
8f64fae7a7 sgemm_tcore: Addr gen for local_k; add SIMT-only for reference 2024-05-16 14:11:09 -07:00
Hansung Kim
df1aa62916 sgemm_tcore: Add warptiling parameters
FIXME: accumulation is done wrong
2024-05-15 15:23:26 -07:00
Hansung Kim
5de8e7c33a sgemm_tg: Fix device address to use ELF operands 2024-05-13 23:09:57 -07:00
Hansung Kim
9d2b533d5c sgemm_tg: Do operand elf stitching for kernel.elf as well 2024-05-13 16:48:13 -07:00
Hansung Kim
09b23ffe87 sgemm_tg: 1-octet 8-lane kernel 2024-05-13 14:52:33 -07:00
Hansung Kim
d848e88f72 sgemm_tcore: Move C from regF->GMEM directly 2024-05-13 14:00:50 -07:00
Hansung Kim
9e60b1834c sgemm_tcore: Rewrite with sgemm_Wg parametrization 2024-05-13 13:22:06 -07:00
Hansung Kim
5c298c81df sgemm_tg: Use reg mapping functions 2024-05-12 22:22:54 -07:00
Hansung Kim
8a521a1de8 Add 8-lane operand mapping 2024-05-10 23:23:11 -07:00
Richard Yan
33066af56e cisc gemmini 2024-05-08 15:46:20 -07:00
Hansung Kim
6af0c305ea Fix path to OBJCOPY 2024-05-08 13:27:11 -07:00
Hansung Kim
6ba6a1e2e5 Merge branch 'kernels' into tensor_core 2024-05-08 13:25:31 -07:00
Hansung Kim
5821bfd10d Repeat vx_wmma issue & hardcode dst address 2024-05-08 13:22:26 -07:00
Hansung Kim
7775830814 Hardcode chipyard device addresses 2024-05-07 16:30:30 -07:00
Hansung Kim
b4c812f9f8 Write expected_C to a binary file 2024-05-05 18:27:56 -07:00
joshua
5bd25985c6 i kinda forgot most of changes 2024-05-04 23:01:47 -07:00
Richard Yan
4db59446f3 Merge branch 'kernels' of https://github.com/hansungk/vortex-private into kernels 2024-05-02 15:16:57 -07:00