9 Commits

Author	SHA1	Message	Date
Mamy Ratsimbazafy	b1ef2682d6	Modular exponentiation (arbitrary output) and EIP-198 (#242) ... * implement arbitrary precision modular exponentiation (prerequisite EIP-198) * [modexp] implement exponentiation modulo 2ᵏ * add inversion (mod 2ᵏ) * [modexp] High-level wrapper for powmod with odd modulus * [modexp] faster exponentiation (mod 2ᵏ) for even case and Euler's totient function odd case * [modexp] implement general fast modular exponentiation * Fix modular reduction with 64-bit modulus + fuzz powmod vs GMP * add benchmark * add EIP-198 support * fixups following self review * fix test paths	2023-06-01 23:38:41 +02:00
Mamy Ratsimbazafy	bf32c2d408	Parallel for (#222) ... * introduce reserve threads to minimize latency and maximize throughput when awaiting a future * introduce a ceilDiv proc * threadpool: implement parallel-for loops * 10x perf improvement by not waking reserveBackoff on syncAll * bench overhead: new reserve system might introduce too much wakeup latency, 2x slower, for fine-grained parallelism * add parallelForStrided * Threadpool: Implement parallel reductions * refactor parallel loop codegen: introduce descriptor, parsing and codegen stages * parallel strided, test transpose bench * tight loop is faster when backoff is not inline * no POSIX stuff on windows, larger types for histogram bench * fix tests * max RSS overflow? * missed an undefined var * exit histogram on 32-bit * forgot to return early dor 32-bit	2023-02-24 09:47:36 +01:00
Mamy Ratsimbazafy	2931913b67	Add a threadpool (#213) ... * Implement a threadpool * int and SomeUnsignedInt ... * Type conversion for windows SynchronizationBarrier * Use the latest MacOS 11, Big Sur API (jan 2021) for MacOS futexes, Github action offers MacOS 12 and can test them * bench need posix timer not available on windows and darwin futex * Windows: nimble exec empty line is an error, Mac: use defined(osx) instead of defined(macos) * file rename * okay, that's the last one hopefully * deactivate stealHalf for now	2023-01-24 02:32:28 +01:00
Mamy Ratsimbazafy	4052a07611	chore: cleanup TODOs, unused constants	2023-01-12 01:27:23 +01:00
Mamy Ratsimbazafy	1f4bb174a3	[Backend] Add support for Nvidia GPUs (#210) ... * Add PoC of JIT exec on Nvidia GPUs [skip ci] * Split GPU bindings into low-level (ABI) and high-level [skip ci] * small typedef reorg [skip ci] * refine LLVM IR/Nvidia GPU hello worlds * [Nvidia GPU] PoC implementation of field addition [skip ci] * prod-ready field addition + tests on Nvidia GPUs via LLVM codegen	2023-01-12 01:01:57 +01:00
Mamy Ratsimbazafy	d4e202ead5	Don't use array[^1], it can throw and cannot be locally turn off	2022-09-17 18:52:52 +02:00
Mamy Ratsimbazafy	a17fb3b4c1	Fix compiler hints and warnings (unused import/variables, ...)	2022-08-06 19:55:35 +02:00
Mamy Ratsimbazafy	26954f905a	Constant time (#185) ... * Implement fully constant-time division closes #2 closes #9 * constant-time hex parsing * prevent cache timing attacks in toHex() conversion (which is only for test/debug purposes anyway)	2022-02-28 09:23:26 +01:00
Mamy Ratsimbazafy	ffacf61e8a	Don't dump all in "backend" (#184) ... * backend -> math * towers -> extension fields * move ISA and compiler specific code out of math/ * fix export	2022-02-27 01:49:08 +01:00