Re: Cycles per ASM instruction

| Steve Myers wrote:
|> hancock wrote:
| [snip]
|> Are you saying the 370-115 was slower than the 360-22?  (I didn't even
|> know there was a model 22).

| The Mod 22 was basically a mod 30, with tighter storage constraints, but
| at a real good price point.  I think the 3rd part storage vendors could
| easily beat the storage limit.  The mod 22 was very, very late in the
| /360 sequence; I think it was a way to get returned mod 30s out on the
| street for a couple of years.
|
| CVD and CVB are - almost by definition - very slow instructions, even
today.

Here is a very old chart showing some older 360/370 models:


+---------------------------------------------+----------+
|            CPU                     family   |  approx. |
|  vendor    model                 model name |   MIPS   |
+---------------------------------------------+----------+
|                                             |          |
|   IBM      2020                   360/20    |      .02 |
|   IBM      2022                   360/22    |      .02 |
|   IBM      2030                   360/30    |      .04 |
|   IBM      2040                   360/40    |      .09 |
|   IBM      2044                   360/44    |      .09 |
|   IBM      2050                   360/50    |      .19 |
|   IBM      2065                   360/65    |      .70 |
|   IBMrpq   2067                   360/67    |      .98 |
|   IBMrpq   2067 mp                360/67    |     1.96 |
|   IBM      2075                   360/75    |      .89 |
|   IBM      2085-1                 360/85    |     1.92 |
|   IBM      2085-2                 360/85    |     2.40 |
|   IBM      2090                   360/90    |     5.00 |
|   IBM      2091                   360/91    |     5.00 |
|   IBM      2092                   360/92    |     5.00 |
|   IBM      2095                   360/95    |     5.00 |
|                                             |          |
+---------------------------------------------+----------+





+---------------------------------------------+----------+
|            CPU                     family   |  approx. |
|  vendor    model                 model name |   MIPS   |
+---------------------------------------------+----------+
|                                             |          |
|   IBM      3115-0                 370/115   |      .05 |
|   IBM      3115-2                 370/115   |      .09 |
|                                             |          |
|   IBM      3125-0                 370/125   |      .09 |
|   IBM      3125-2                 370/125   |      .12 |
|                                             |          |
|   IBM      3135                   370/135   |      .19 |
|   IBM      3135-3                 370/135   |      .24 |
|   IBM      3138                   370/138   |      .24 |
|                                             |          |
|   IBM      3145-1                 370/145   |      .36 |
|   IBM      3145-3                 370/145   |      .46 |
|   IBM      3148                   370/148   |      .46 |
|                                             |          |
|   IBM      3155-1                 370/155   |      .50 |
|   IBM      3155-2                 370/155   |      .63 |
|   IBM      3158-1                 370/158   |      .90 |
|   IBM      3158-3                 370/158   |     1.00 |
|   IBM      3158-3 ap              370/158   |     1.69 |
|   IBM      3158-3 mp              370/158   |     1.69 |
|                                             |          |
|   IBM      3165-1                 370/165   |     1.60 |
|   IBM      3165-2                 370/165   |     2.00 |
|   IBM      3168-1                 370/168   |     2.36 |
|   IBM      3168-3                 370/168   |     2.74 |
|   IBM      3168-3 ap              370/168   |     4.52 |
|   IBM      3168-3 mp              370/168   |     4.52 |
|                                             |          |
|   IBM      3195                   370/195   |     3.70 |
|                                             |          |
+---------------------------------------------+----------+





+---------------------------------------------+----------+
|            CPU                     family   |  approx. |
|  vendor    model                 model name |   MIPS   |
+---------------------------------------------+----------+
|                                             |          |
|   IBM      4321                   370/4321  |      .25 |
|                                             |          |
|   IBM      4331-1                 370/4331  |      .26 |
|   IBM      4331-2                 370/4331  |      .50 |
|   IBM      4331-11                370/4331  |      .38 |
|                                             |          |
|   IBM      4341-1                 370/4341  |      .88 |
|   IBM      4341-2                 370/4341  |     1.50 |
|   IBM      4341-9                 370/4341  |      .52 |
|   IBM      4341-10                370/4341  |      .75 |
|   IBM      4341-11                370/4341  |     1.10 |
|   IBM      4341-12                370/4341  |     1.65 |
|                                             |          |
|   IBM      4361-3                 370/4361  |      .70 |
|   IBM      4361-4                 370/4361  |     1.15 |
|   IBM      4361-5                 370/4361  |     1.45 |
|                                             |          |
|   IBM      4381-1   1             370/4381  |     2.0  |
|   IBM      4381-2   1             370/4381  |     2.7  |
|   IBM      4381-3   2             370/4381  |     4.8  |
|                                             |          |
|   IBM      4381-11  1             370/4381  |     1.3  |
|   IBM      4381-12  1             370/4381  |     2.7  |
|   IBM      4381-13  1             370/4381  |     3.7  |
|   IBM      4381-14  2             370/4381  |     6.5  |
|                                             |          |
|   IBM      4381-21  1             370/4381  |     1.7  |
|   IBM      4381-22  1             370/4381  |     2.9  |
|   IBM      4381-23  1             370/4381  |     4.8  |
|   IBM      4381-24  2             370/4381  |     8.5  |
|                                             |          |
|   IBM      4381-90e 1             370/4381  |     3.8  |
|   IBM      4381-91e 1             370/4381  |     4.4  |
|   IBM      4381-92e 2             370/4381  |     7.8  |
|                                             |          |
|   IBM      4391                   (rumored) |    11    |
|   IBM      4391 mp                (rumored) |    19    |
|   IBM      4391 tp                (rumored) |    26    |
|                                             |          |
+---------------------------------------------+----------+


____________________________________________________________Gerard S.

(P.S.    I also have many many other IBM models as well...)