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98 Commits 4 Branches 20 Tags
39d68b989c62ecb629fcaff0c9064b6efe6e169f
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Author SHA1 Message Date
rob thijssen 39d68b989c Fix digest big-endian conversion to preserve lane order 2025-09-13 10:54:00 +03:00
rob thijssen ff477754d2 Use big-endian bytes consistently in qpow kernelSHA3 digest and 
comparisons
 2025-09-13 10:36:23 +03:00
rob thijssen 860503792c Adjust qpow kernel to use lane-LE byte order for target and threshold 
Convert constants and inputs from big-endian to lane-LE byte order to
match SHA3 output layout, enabling correct XOR and comparison operations
with SHA3 digests stored in lane-LE format.
 2025-09-13 10:26:34 +03:00
rob thijssen 03d3225478 Clarify sha3_512_64bytes_le input interpretation 2025-09-13 10:15:38 +03:00
rob thijssen 57483a0050 Refactor GPU kernel for G2 SHA3-512 with threshold check 
- Clean up and unify endian conversion and load/store helpers -
Implement device-side SHA3-512 with correct lane ordering - Add bytewise
big-endian XOR distance calculation and comparison - Optimize early-exit
with atomic flag and optional debug outputs - Remove duplicate/unused
code and improve readability
 2025-09-13 09:57:45 +03:00
rob thijssen b72be05386 Fix Keccak state indexing in keccak_f1600 kernel for CUDA 2025-09-13 09:19:02 +03:00
rob thijssen 7a3c40d8e8 Unroll Keccak-f1600 rounds for better performance 2025-09-13 09:06:33 +03:00
rob thijssen 642b596fad rewrite distance and comparison logic to use big-endian byte arrays 
instead of uint64 limbs
 2025-09-13 08:51:47 +03:00
rob thijssen 6048d08664 optimize big-endian distance calculation in qpow kernel 2025-09-13 08:38:45 +03:00
rob thijssen f62eff6be1 use little-endian output and byte-wise XOR in qpow kernel 2025-09-13 08:20:09 +03:00
rob thijssen 734b4fbb74 richer diagnostics for cuda false positive logging 2025-09-13 07:56:47 +03:00
rob thijssen 5fe204349f Add debug output buffers to CUDA G2 kernel and log on false positive 
rejection
 2025-09-13 07:43:18 +03:00
rob thijssen 16057a8e20 Add optional CUDA sampler readback and parity check 
Enable sampler debugging via MINER_CUDA_SAMPLER env var to verify
host/device parity of sampler outputs, logging warnings on mismatch

Add example env file for RTX 3060 debug configuration
 2025-09-13 06:24:28 +03:00
rob thijssen 8a6de1a53f Simplify CUDA build workflow by removing Dockerfile 
Replace multi-stage Docker build with direct use of cuda-builder image
for building and stripping quantus-miner binaries, streamlining CI
steps.
 2025-09-13 06:07:01 +03:00
rob thijssen 8db0496b88 sampling logic for debugging decisions 2025-09-13 04:52:01 +03:00
rob thijssen 0aaacdf85d Add optional CUDA sampler support and big-endian SHA3 output 
- Introduce constant memory variables and device buffers for sampler -
Initialize sampler in CudaEngine when MINER_CUDA_SAMPLER=1 - Change SHA3
kernel to output digest bytes in big-endian format - Add sample mismatch
metric counter
 2025-09-13 04:02:06 +03:00
rob thijssen 191cc799b7 fix: cuda metrics and initialize estimated rate gauge 2025-09-13 02:42:48 +03:00
rob thijssen 300fa89927 Add optional metrics and big-endian limb support to CUDA engine 
- Add `metrics` dependency and feature to engine-gpu-cuda crate -
Introduce constant memory for target and threshold values in CUDA kernel
- Implement limb-wise big-endian conversions for distance calculations -
Use constant memory when available for target/threshold within kernel -
Emit backend label metric for GPU CUDA engine - Track false positives
with metrics on host verification failure
 2025-09-13 01:54:54 +03:00
rob thijssen 9fc95a1ca8 Add estimated rate and candidate metrics to mining jobs 2025-09-13 01:23:26 +03:00
rob thijssen 4bffb144cb Add host re-verification for CUDA results and new metrics 
Reject false positives from device by verifying on host and add
Prometheus counters for estimated rates, found and false-positive
candidates per engine and job.
 2025-09-13 01:16:23 +03:00
rob thijssen 9c87c711b3 script support for cuda miner binary builds on dev workstation 2025-09-13 01:16:07 +03:00
rob thijssen 92f58d1b76 immutable bindings for is_g2 and d_distance 2025-09-13 00:10:40 +03:00
rob thijssen 4ca906ac1b corrected host-side constant upload to pass CStrings 2025-09-12 23:55:04 +03:00
rob thijssen 943d35100f Fix conditional use of n0_inv in qpow Montgomery kernels 2025-09-12 18:35:01 +03:00
rob thijssen 398c9f9bc9 Use __constant__ memory for per-job constants in CUDA kernels 
Add optional __constant__ symbols for G2 kernel constants and prefer
these over parameter pointers when available. Update host code to
attempt populating these constant symbols for faster access.
 2025-09-12 18:14:26 +03:00
rob thijssen b7f56fb05a Add CUDA miner environment presets for various NVIDIA GPUs 
Provide example .env files targeting typical block/thread configurations
for RTX 3060/3080/3090/4080/4090/5090 and A5000/A6000.

Include guidance on tuning iterations, pinned buffers, and kernel modes.
Document usage with systemd and manual export for ease of deployment.
 2025-09-12 17:19:23 +03:00
rob thijssen 69cbb7fa99 remove 1024 thread cap in CUDA kernel launches 2025-09-12 16:24:45 +03:00
rob thijssen 1d956c499e Allocate and copy-back CUDA output buffer for G1 path 
Add optional pinned host buffer support and parallel host SHA3
validation over GPU results, updating hash count and early exit on
success.
 2025-09-12 16:00:52 +03:00
rob thijssen 297a74181a Refactor CUDA kernel launch to conditionally allocate output buffer 
Allocate d_y_out only for G1 kernel instead of always allocating before
launch, and track kernel type with is_g2 flag for clearer control flow.
 2025-09-12 15:52:21 +03:00
rob thijssen 9167b8e48d Refactor CUDA kernel launch to separate G1 and G2 modes 
Reorder code to launch G2 kernel with on-device SHA3 and early-exit
handling separately from G1 kernel that returns y values. Rename index
variables for clarity and adjust logging to measure kernel execution
time in both branches.
 2025-09-12 15:09:32 +03:00
rob thijssen baf15fbb75 Add G2 kernel with device SHA3-512, early-exit, and threshold compare 
- Implemented qpow_montgomery_g2_kernel for on-device SHA3-512 hashing -
Added early-exit flag and linear index tracking in G2 kernel -
Integrated G2 kernel launch and result handling in Rust CUDA engine -
Introduced MINER_CUDA_MODE=g2 config option to select G2 kernel - Added
MINER_CUDA_PINNED option for pinned host buffers and async copies -
Updated README with new runtime config knobs and G2 usage instructions
 2025-09-12 14:38:13 +03:00
rob thijssen 5b44ef20df Use optional pinned host buffer and async copy for CUDA results 
Enable using a page-locked pinned buffer with asynchronous copy-back
when MINER_CUDA_PINNED is set, otherwise fall back to synchronous copy.
 2025-09-12 14:00:53 +03:00
rob thijssen c0fa1d15aa Limit SHA3 host hashing to remaining range and use scoped threads 2025-09-12 12:56:58 +03:00
rob thijssen cec209170f Fix paths-ignore order in CUDA workflow triggers 2025-09-12 12:47:29 +03:00
rob thijssen 99af459363 Reorder disk action step in CUDA build workflow 2025-09-12 12:44:04 +03:00
rob thijssen 910e614cfb Add MINER_CUDA_IMAGE override and parallel host SHA3 workers 
- Allow forcing PTX or CUBIN image via MINER_CUDA_IMAGE env var - Enable
selecting G2 kernel with fallback to G1 via MINER_CUDA_MODE=g2 -
Allocate device constant buffers once outside loop - Implement parallel
host SHA3 over GPU results using MINER_CUDA_HASH_THREADS - Update README
with new env vars and usage notes
 2025-09-12 12:40:47 +03:00
rob thijssen abd8c878f7 Add disk space cleanup action and integrate in CUDA workflow 
Ignore unrelated file changes in CUDA workflow triggers to reduce
unnecessary runs
 2025-09-12 11:29:06 +03:00
rob thijssen 96875e12b2 Use self-hosted runner for quality-control job in CI workflow 2025-09-12 11:17:36 +03:00
rob thijssen 9bb6dc840d Log SHA3 host timing after GPU result consumption 2025-09-12 11:15:42 +03:00
rob thijssen 14115a12c1 Add timing logs for CUDA kernel and copy-back operations 2025-09-12 11:09:28 +03:00
rob thijssen 39d9eed005 Add CARGO_TERM_COLOR=always environment variable to Containerfile 2025-09-12 09:35:37 +03:00
rob thijssen 60d25d0d8e Export CUDA_TAG and SM args as environment variables in Containerfile 2025-09-12 09:34:02 +03:00
rob thijssen bfeb0328cd Refactor CUDA build workflow to use repo Containerfile 
Replace inline Dockerfile with repo Containerfile and export built
binary via build output instead of docker image copy.
 2025-09-12 09:14:55 +03:00
rob thijssen 6e089208ab Add fallback CUDA include paths in build script and deduplicate dirs 2025-09-12 08:57:28 +03:00
rob thijssen 48e99f9db5 reduce artifact retention to 3 days and add CUDA_HOME env variable 2025-09-12 08:49:26 +03:00
rob thijssen 70485d3d91 Remove optional rsync to CDN from CUDA build workflow 2025-09-12 08:39:29 +03:00
rob thijssen c703e7d273 Fix condition to check SSH key presence correctly in workflow 2025-09-12 08:38:46 +03:00
rob thijssen aef8c865cb clippy cleanup 2025-09-12 08:34:54 +03:00
rob thijssen d2c39bbdcb ci: build cuda binaries 2025-09-12 08:29:09 +03:00
rob thijssen 8b02b790a4 wip: cubin embed 2025-09-12 04:22:15 +03:00