add `bench.cfg` files

hash/cpu/bench/Blake3/Unix/bench.cfg

@@ -0,0 +1,7 @@
+name:   "Blake3 CPU benchmark; official Rust implementation"
+timeout: 60
+params:
+  [ MEGABYTES:  [ 1,4,16,64,256 ]
+  , NTHREADS:   [ 1,2,4,8 ]
+  ]
+tags: CPU, Blake3, Rust

hash/cpu/bench/Poseidon2/Zikkurat/bench.cfg

@@ -0,0 +1,8 @@
+name:   "Poseidon2 CPU benchmark; Zikkurat/C implementation"
+author: Balazs Komuves
+timeout: 60
+params:
+  [ TREE_DEPTH: [ 8,10,12,14,16 ]
+  , NTHREADS:   [ 1,2,4,8 ]
+  ]
+tags: CPU, Poseidon2, Zikkurat, C

hash/cpu/bench/SHA256/C/bench.cfg

@@ -0,0 +1,8 @@
+name:   "SHA256 CPU benchmark; Aaron D. Gifford's C implementation"
+timeout: 60
+params:
+  [ WHICH:      [ LINEAR, MERKLE ]
+  , MEGABYTES:  [ 1,4,16,64,256 ]
+  , NTHREADS:   [ 1,2,4,8 ]
+  ]
+tags: CPU, SHA256, C

hash/cpu/bench/SHA256/Unix/bench.cfg

@@ -0,0 +1,6 @@
+name:   "SHA256 CPU benchmark; Unix tool included in the OS"
+timeout: 60
+params:
+  [ MEGABYTES:  [ 1,4,16,64,256 ]
+  ]
+tags: CPU, SHA256, Unix

hash/cpu/bench/SHA256/Unix/run.sh

@@ -6,4 +6,21 @@ fi
 
 echo "MEGABYTES = $ZKBENCH_MEGABYTES"
 
+OSTYPE=`uname -s`
+
+case $OSTYPE in
+  Darwin)
     ./build/fakedata $ZKBENCH_MEGABYTES | shasum -a256 -b -
+    ;;
+  Linux)  
+    ./build/fakedata $ZKBENCH_MEGABYTES | sha256sum -b -
+    ;;
+  FreeBSD)  
+    ./build/fakedata $ZKBENCH_MEGABYTES | sha256sum -b -
+    ;;
+
+  *)
+    echo "unknown operating system \`$OSTYPE\`"
+    exit 99
+    ;;
+esac

hash/snark/bench/Poseidon2/bench.cfg

@@ -0,0 +1,11 @@
+
+name:   "Poseidon2 Groth16 benchmarks"
+author: Balazs Komuves
+timeout: 300
+rerun_from: build 
+params:
+  [ PROVER:     [ snarkjs, rapidsnark ]
+  , INPUT_SIZE: [ 256, 512, 1024, 2048 ]
+  , WHICH:      [ hash_sponge_rate1, hash_sponge_rate2, hash_merkle ]
+  ]
+tags: Groth16, Poseidon2, $PROVER

hash/snark/bench/Poseidon2/build.sh

@@ -14,8 +14,12 @@ mkdir -p build
 
 gcc -O3 generate_input.c -o build/generate_input || { echo "gcc failed"; exit 101; }
 
-NAME=${ZKBENCH_WHICH}
-sed "s/ZKBENCH_INPUT_SIZE/${ZKBENCH_INPUT_SIZE}/g" ${NAME}.circom.template >build/${NAME}.circom
+#NAME=${ZKBENCH_WHICH}
+NAME="hash"
+echo ${NAME}.circom.template \
+  | sed "s/ZKBENCH_INPUT_SIZE/${ZKBENCH_INPUT_SIZE}/g" \
+  | sed "s/ZKBENCH_WHICH/${ZKBENCH_WHICH}/g"           \
+  >build/${NAME}.circom
 
 cd build
 

hash/snark/bench/Poseidon2/hash.circom.template

@@ -0,0 +1,49 @@
+pragma circom 2.0.0;
+
+include "../../../external/hash-circuits/circuits/poseidon2/poseidon2_hash.circom";
+include "../../../external/hash-circuits/circuits/poseidon2/poseidon2_merkle.circom";
+
+//------------------------------------------------------------------------------
+
+// sponge with rate=1 (capacity=2)
+template Bench_hash_sponge_rate1(n) {
+  signal input  inp[n];
+  signal output out;
+  component sponge = PoseidonSponge(3,2,n,1);
+  sponge.inp    <== inp;
+  sponge.out[0] ==> out;
+}
+
+// sponge with rate=2 (capacity=1)
+template Bench_hash_sponge_rate2(n) {
+  signal input  inp[n];
+  signal output out;
+  component sponge = PoseidonSponge(3,1,n,1);
+  sponge.inp    <== inp;
+  sponge.out[0] ==> out;
+}
+
+//------------------------------------------------------------------------------
+
+function FloorLog2(n) {
+  return (n==0) ? -1 : (1 + FloorLog2(n>>1));
+}
+
+function CeilLog2(n) {
+  return (n==0) ? 0 : (1 + FloorLog2(n-1));
+}
+
+template Bench_hash_merkle2(n) {
+  var log2n = CeilLog2(n);
+  assert( (1<<log2n) == n );    // for now this only works for power-of-two sized inputs 
+
+  signal input  inp[n];
+  signal output out;
+  component merkle = PoseidonMerkle(log2n);
+  merkle.inp      <== inp;
+  merkle.out_root ==> out;
+}
+
+//------------------------------------------------------------------------------
+
+component main {public [inp]} = Bench_ZKBENCH_WHICH( ZKBENCH_INPUT_SIZE );

hash/snark/bench/Poseidon2/hash_sponge.circom.template

@@ -1,5 +0,0 @@
-pragma circom 2.0.0;
-
-include "../../../external/hash-circuits/circuits/poseidon2/poseidon2_hash.circom";
-
-component main {public [inp]} = Poseidon2_hash( ZKBENCH_INPUT_SIZE );

hash/snark/external/hash-circuits

@@ -1 +1 @@
-Subproject commit bf6cca380547ca905ca0615cfdb6c49660e441a2
+Subproject commit e6b99b20f038f27390f590313ce7de227d6dd42a