diff options
Diffstat (limited to 'Documentation/driver-api/mtd/nand_ecc.rst')
| -rw-r--r-- | Documentation/driver-api/mtd/nand_ecc.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/driver-api/mtd/nand_ecc.rst b/Documentation/driver-api/mtd/nand_ecc.rst index e8d3c53a5056..a0d681f26a2e 100644 --- a/Documentation/driver-api/mtd/nand_ecc.rst +++ b/Documentation/driver-api/mtd/nand_ecc.rst @@ -5,7 +5,7 @@ NAND Error-correction Code Introduction ============ -Having looked at the linux mtd/nand driver and more specific at nand_ecc.c +Having looked at the linux mtd/nand Hamming software ECC engine driver I felt there was room for optimisation. I bashed the code for a few hours performing tricks like table lookup removing superfluous code etc. After that the speed was increased by 35-40%. @@ -462,7 +462,7 @@ statements is reduced. This is also reflected in the assembly code. Analysis 3 ========== -Very weird. Guess it has to do with caching or instruction parallellism +Very weird. Guess it has to do with caching or instruction parallelism or so. I also tried on an eeePC (Celeron, clocked at 900 Mhz). Interesting observation was that this one is only 30% slower (according to time) executing the code as my 3Ghz D920 processor. |