Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,987
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     207,767
Calibration 2     199,930
Calibration 3     198,736
ssj_ops@calibrated=199,333
100% 99.8% 199,333 198,987
90% 89.8% 179,400 178,925
80% 80.1% 159,466 159,684
70% 69.8% 139,533 139,184
60% 60.1% 119,600 119,804
50% 50.2% 99,666 100,068
40% 39.8% 79,733 79,429
30% 30.1% 59,800 60,017
20% 19.9% 39,867 39,745
10% 10.2% 19,933 20,264
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,115,760 1,494
Payment 15,115,756
Order Status 1,511,576
Delivery 1,511,575
Stock Level 1,511,575
Customer Report 15,115,759
Calibration 2 New Order 14,541,476 1,494
Payment 14,541,473
Order Status 1,454,147
Delivery 1,454,147
Stock Level 1,454,147
Customer Report 14,541,472
Calibration 3 New Order 14,454,809 1,494
Payment 14,454,807
Order Status 1,445,481
Delivery 1,445,482
Stock Level 1,445,479
Customer Report 14,454,809
100% 99.8% New Order 14,471,979 1,494
Payment 14,471,976
Order Status 1,447,199
Delivery 1,447,198
Stock Level 1,447,197
Customer Report 14,471,974
90% 89.8% New Order 13,013,542 1,494
Payment 13,013,546
Order Status 1,301,355
Delivery 1,301,354
Stock Level 1,301,353
Customer Report 13,013,544
80% 80.1% New Order 11,613,435 1,494
Payment 11,613,431
Order Status 1,161,344
Delivery 1,161,342
Stock Level 1,161,343
Customer Report 11,613,432
70% 69.8% New Order 10,122,516 1,494
Payment 10,122,516
Order Status 1,012,252
Delivery 1,012,253
Stock Level 1,012,252
Customer Report 10,122,518
60% 60.1% New Order 8,713,085 1,494
Payment 8,713,084
Order Status 871,309
Delivery 871,307
Stock Level 871,309
Customer Report 8,713,085
50% 50.2% New Order 7,277,715 1,494
Payment 7,277,709
Order Status 727,771
Delivery 727,772
Stock Level 727,771
Customer Report 7,277,717
40% 39.8% New Order 5,776,954 1,494
Payment 5,776,952
Order Status 577,696
Delivery 577,696
Stock Level 577,697
Customer Report 5,776,957
30% 30.1% New Order 4,365,128 1,494
Payment 4,365,132
Order Status 436,513
Delivery 436,512
Stock Level 436,512
Customer Report 4,365,128
20% 19.9% New Order 2,890,607 1,494
Payment 2,890,605
Order Status 289,060
Delivery 289,061
Stock Level 289,060
Customer Report 2,890,607
10% 10.2% New Order 1,473,887 1,494
Payment 1,473,883
Order Status 147,389
Delivery 147,388
Stock Level 147,389
Customer Report 1,473,886
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0