perf: optimize scalar mul circuits

internal/stats/latest_stats.csv

@@ -111,24 +111,24 @@ pairing_bn254,bn254,groth16,505959,823836
 pairing_bn254,bn254,plonk,1646544,1572896
 pairing_bw6761,bn254,groth16,1589471,2646707
 pairing_bw6761,bn254,plonk,5318762,5097941
-scalar_mul_G1_bn254,bn254,groth16,107499,163170
-scalar_mul_G1_bn254,bn254,plonk,353793,338853
-scalar_mul_G1_bn254_incomplete,bn254,groth16,50892,81121
-scalar_mul_G1_bn254_incomplete,bn254,plonk,184266,177694
+scalar_mul_G1_bn254,bn254,groth16,91587,137256
+scalar_mul_G1_bn254,bn254,plonk,296080,282901
+scalar_mul_G1_bn254_incomplete,bn254,groth16,40447,63364
+scalar_mul_G1_bn254_incomplete,bn254,plonk,143517,138048
 scalar_mul_G2_bls12381,bn254,groth16,302753,456022
 scalar_mul_G2_bls12381,bn254,plonk,988292,945775
 scalar_mul_G2_bn254,bn254,groth16,216495,325402
 scalar_mul_G2_bn254,bn254,plonk,719650,688306
 scalar_mul_G2_bw6761,bn254,groth16,387972,616049
 scalar_mul_G2_bw6761,bn254,plonk,1241833,1189810
-scalar_mul_P256,bn254,groth16,96434,151466
-scalar_mul_P256,bn254,plonk,328264,315107
-scalar_mul_P256_incomplete,bn254,groth16,75252,121496
-scalar_mul_P256_incomplete,bn254,plonk,262529,252901
-scalar_mul_secp256k1,bn254,groth16,107536,163231
-scalar_mul_secp256k1,bn254,plonk,353942,338998
-scalar_mul_secp256k1_incomplete,bn254,groth16,50932,81189
-scalar_mul_secp256k1_incomplete,bn254,plonk,184432,177853
+scalar_mul_P256,bn254,groth16,78648,122092
+scalar_mul_P256,bn254,plonk,261626,250726
+scalar_mul_P256_incomplete,bn254,groth16,60232,95719
+scalar_mul_P256_incomplete,bn254,plonk,209383,201119
+scalar_mul_secp256k1,bn254,groth16,91623,137316
+scalar_mul_secp256k1,bn254,plonk,296229,283046
+scalar_mul_secp256k1_incomplete,bn254,groth16,40487,63432
+scalar_mul_secp256k1_incomplete,bn254,plonk,143683,138207
 selector/binaryMux_4,bn254,groth16,5,3
 selector/binaryMux_4,bls12_377,groth16,5,3
 selector/binaryMux_4,bls12_381,groth16,5,3