I have modified and improved the speed of some of the hashing algorithms for the NVIDIA GPU's compute 5.0 or newer.

Most of the Hashimprovements are done by me, but some are done by djm34, Schleicher(klaus_t),Epsylon3(tvprovut),tsiv, and pallas.

cuda 7.5:

1.5.81(sp-MOD) is available here: (01-jan-2017)

https://github.com/sp-hash/ccminer/releases/The sourcecode is available here:

https://github.com/sp-hash/ccminercuda 6.5:

1.5.74(sp-MOD) is available here: (15-nov-2015)

https://github.com/sp-hash/ccminer/releases/The sourcecode is available here:

https://github.com/sp-hash/ccminerI have 7 private miners for the people who donate (donators will get updates).

1. 0.05BTC: Pentablake +100-120% (3 releases)

2. 0.1BTC: Cryptonight +10% (one release)

3. 0.1BTC: Spreadcoin +10-26% (with full sourcecode / linux compatible) (9 releases)

4. 0.1BTC: All nicehash algos optimized. 0-10% (6 releases)(x11,x13,x14,x15,x17,nist5,quark,skein,lyra2v2,neoscrypt)

5. 0.1BTC: decred +18-25% (9 releases) (Full sourcecode(linux) 0.4BTC)

6. 0.2BTC: Vcash(+13%+decred(+18-25%) (0.1 btc discount for the decred buyers) (6 releases)

7. 0.05BTC: LBRY +10-25% on compute 5.2 cards(0.1BTC + 1.5 minute per hour donation mining (2.5%))(4 releases)

8. 0.05BTC Cryptonite sp-mod (+20%) (3 release)

LBRY sp-mod #3 vs opensource 1.8.1

Faster compute 5.0 +5-7% (750,750ti,960m)

Faster compute 5.2 +10-25% (950,960,970,980,980ti,titanx)

Faster compute 6.1 +5-11% (1070,1080) (gtx 1060 0%)

Sp-Mod #5 ( All nicehash algos optimized) default intensities hashrates in MHASH/s. (980ti 1290 coreclock/1650 memclock) faster than ccminer 1.7.5 cuda 7.5 32 build

nist5: 43.80 (+17%)

quark: 27.85 (+61,91%)

lyra2v2 37.10

x11: 12.85 (+18%)

x13: 10.27 (+19.97)

x15: 8.83 (+18.52 )

neoscrypt: 0.99 (+73.68%)