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Small fixes

This commit is contained in:
Vurich 2017-07-19 18:14:10 +02:00
parent ad1835e87c
commit 7208b9b525
2 changed files with 17 additions and 8 deletions
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6
Cargo.lock generated
View File

@ -256,7 +256,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "crunchy"
version = "0.1.1"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
@ -365,7 +365,7 @@ dependencies = [
name = "ethash"
version = "1.7.0"
dependencies = [
"crunchy 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"crunchy 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
"parking_lot 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"primal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2949,7 +2949,7 @@ dependencies = [
"checksum core-foundation 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "20a6d0448d3a99d977ae4a2aa5a98d886a923e863e81ad9ff814645b6feb3bbd"
"checksum core-foundation-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "05eed248dc504a5391c63794fe4fb64f46f071280afaa1b73308f3c0ce4574c5"
"checksum crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0c5ea215664ca264da8a9d9c3be80d2eaf30923c259d03e870388eb927508f97"
"checksum crunchy 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "803315676d3fc09db67636977586262e7d1a6c5bdb291810efd5ceb48a0d5d58"
"checksum crunchy 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e6aa9cb5f2d7bffc4eecfaf924fe450549dc4f0c3a6502298dc24f968b1eabbe"
"checksum crypt32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e34988f7e069e0b2f3bfc064295161e489b2d4e04a2e4248fb94360cdf00b4ec"
"checksum ctrlc 1.1.1 (git+https://github.com/paritytech/rust-ctrlc.git)" = "<none>"
"checksum daemonize 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "271ec51b7e0bee92f0d04601422c73eb76ececf197026711c97ad25038a010cf"

19
ethash/src/compute.rs
View File

@ -360,12 +360,19 @@ fn calculate_dag_item(node_index: u32, cache: &[Node]) -> Node {
*ret.as_words_mut().get_unchecked_mut(0) ^= node_index;
sha3::sha3_512(ret.bytes.as_mut_ptr(), ret.bytes.len(), ret.bytes.as_ptr(), ret.bytes.len());
for i_usize in 0..ETHASH_DATASET_PARENTS {
let i = i_usize as u32;
debug_assert_eq!(NODE_WORDS, 16);
for i in 0..ETHASH_DATASET_PARENTS as u32 {
let parent_index = fnv_hash(node_index ^ i, *ret.as_words().get_unchecked(i as usize % NODE_WORDS)) % num_parent_nodes as u32;
let parent = cache.get_unchecked(parent_index as usize);
for w in 0..NODE_WORDS {
*ret.as_words_mut().get_unchecked_mut(w) = fnv_hash(*ret.as_words().get_unchecked(w), *parent.as_words().get_unchecked(w));
unroll! {
for w in 0..16 {
*ret.as_words_mut().get_unchecked_mut(w) =
fnv_hash(
*ret.as_words().get_unchecked(w),
*parent.as_words().get_unchecked(w)
);
}
}
}
@ -392,18 +399,20 @@ fn light_new(block_number: u64) -> Light {
sha3::sha3_512(nodes.get_unchecked_mut(i).bytes.as_mut_ptr(), NODE_BYTES, nodes.get_unchecked(i - 1).bytes.as_ptr(), NODE_BYTES);
}
debug_assert_eq!(NODE_WORDS, 16);
// This _should_ get unrolled by the compiler, since it's not using the loop variable.
for _ in 0..ETHASH_CACHE_ROUNDS {
for i in 0..num_nodes {
let idx = *nodes.get_unchecked_mut(i).as_words().get_unchecked(0) as usize % num_nodes;
let mut data = nodes.get_unchecked((num_nodes - 1 + i) % num_nodes).clone();
debug_assert_eq!(NODE_WORDS, 16);
unroll! {
for w in 0..16 {
*data.as_words_mut().get_unchecked_mut(w) ^= *nodes.get_unchecked(idx).as_words().get_unchecked(w);
}
}
sha3_512(&data.bytes, &mut nodes.get_unchecked_mut(i).bytes);
}
}